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Sexual Precocity in a 16-Month-Old
- O1 a* O: V* y8 Y6 ]/ s, a- ?Boy Induced by Indirect Topical
5 O' }% }) O8 U: S9 e# hExposure to Testosterone# ?7 k, {9 B! b! j0 |
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2) g4 `( C& W& @) E+ c& g
and Kenneth R. Rettig, MD1) e. _9 `% q, y; f  l/ A- W) e- V' B+ t
Clinical Pediatrics, b( Z8 s+ X9 E
Volume 46 Number 6
/ l, o4 O. G1 W. B) V( s9 l( bJuly 2007 540-543  w8 Q" P7 c; S2 @6 `1 l# H2 ?" `
© 2007 Sage Publications
" x$ O, X6 ^% F5 m, S& Q10.1177/0009922806296651' z( O. K0 j6 o# x. j8 x
http://clp.sagepub.com
! ^' [. N! f# J2 D8 Vhosted at
- v2 m% F5 A) F6 p1 s' V" Thttp://online.sagepub.com
* E1 i7 ~  c; b! fPrecocious puberty in boys, central or peripheral,1 z8 D! }1 i8 a+ t) c
is a significant concern for physicians. Central2 x0 P2 b; d3 i% q( ^
precocious puberty (CPP), which is mediated
! [5 z0 u* A/ {0 y; g$ _3 n$ z7 H- Nthrough the hypothalamic pituitary gonadal axis, has* {) D" V$ R4 T+ a
a higher incidence of organic central nervous system
5 x  |4 _2 |7 n! rlesions in boys.1,2 Virilization in boys, as manifested  C" A3 s) j4 f; }
by enlargement of the penis, development of pubic6 C: b& o+ L1 _( w/ `' Y* u
hair, and facial acne without enlargement of testi-2 Q- u& F; ~. J' C9 h$ M
cles, suggests peripheral or pseudopuberty.1-3 We
% e7 M* w" z( M# Treport a 16-month-old boy who presented with the
/ k+ D5 p% x+ F$ }enlargement of the phallus and pubic hair develop-
; ^7 @% Q$ U5 f( F3 Hment without testicular enlargement, which was due# S% r5 I1 a/ q
to the unintentional exposure to androgen gel used by
" k3 ?, ^  C7 Lthe father. The family initially concealed this infor-& k* Q2 C2 M7 f
mation, resulting in an extensive work-up for this
6 C9 E3 S4 g) b# P+ U' pchild. Given the widespread and easy availability of
+ M" _# c( h, d+ q* S2 ktestosterone gel and cream, we believe this is proba-
- S; [! `) P0 s3 ]9 _bly more common than the rare case report in the
* R: k: k: Q' P2 n4 @0 d& p- X5 u7 Mliterature.4
* a2 i! `% }, b% xPatient Report
, Y( R! l/ T  V+ t4 v) A0 S) ^A 16-month-old white child was referred to the, P# O8 k2 R' N& o1 D$ }# w
endocrine clinic by his pediatrician with the concern/ M6 l; O* y7 d! W+ U2 r2 J# w
of early sexual development. His mother noticed
: S5 t( U( W- ]5 j6 L+ \light colored pubic hair development when he was
4 _/ b* h/ J7 g4 T9 Y8 o  \From the 1Division of Pediatric Endocrinology, 2University of; f! q& |" \. }! {  I! S& E
South Alabama Medical Center, Mobile, Alabama.
( J2 R5 E4 y8 q1 WAddress correspondence to: Samar K. Bhowmick, MD, FACE,5 {7 g( D, ?9 O: l4 H% B
Professor of Pediatrics, University of South Alabama, College of
! F2 m+ r! I: |Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;- q4 U+ f- i4 X
e-mail: [email protected].$ ~- i1 l* |' b/ t! `' R
about 6 to 7 months old, which progressively became; g$ l$ n- U( M4 E7 i0 I# a6 d  S
darker. She was also concerned about the enlarge-, M8 p# W( P6 z" r4 t6 f# D7 y
ment of his penis and frequent erections. The child& z- b) ]" L8 w1 B8 v$ F
was the product of a full-term normal delivery, with
  m# |: W& r( S$ W: Oa birth weight of 7 lb 14 oz, and birth length of9 _$ z1 U# }% P% {( \
20 inches. He was breast-fed throughout the first year- {) L* K% I9 ^: F) p6 `) i. I
of life and was still receiving breast milk along with& c, L# |; y/ s5 r/ p4 `
solid food. He had no hospitalizations or surgery,: o- E. D* }  p- Y) u9 ]- N
and his psychosocial and psychomotor development$ J& N; t/ ]$ g
was age appropriate.3 s9 G4 F7 {. D& f2 I0 J0 B
The family history was remarkable for the father,) j+ {: r0 Q# l+ A
who was diagnosed with hypothyroidism at age 16,
/ f& N- R3 {8 `" ]0 kwhich was treated with thyroxine. The father’s( m8 R, _6 B. B' p1 e
height was 6 feet, and he went through a somewhat
9 b2 `. R, r* x2 q& j" e, Pearly puberty and had stopped growing by age 14.0 W* c. P# e6 P  p
The father denied taking any other medication. The
6 g- F& Q9 d: {  G5 p) F& Dchild’s mother was in good health. Her menarche
& h/ e( h& |8 k- Bwas at 11 years of age, and her height was at 5 feet
$ l* f1 t: D  \5 inches. There was no other family history of pre-
& |9 d4 M) R) i& S0 Ococious sexual development in the first-degree rela-
# \( y& ]0 J- x  ftives. There were no siblings.
) O, X! B8 u+ q, r! u9 ?& QPhysical Examination# K5 p2 a( W+ v2 o3 X- W, D
The physical examination revealed a very active,' Q( m/ P% Q4 f' H4 T
playful, and healthy boy. The vital signs documented
0 M' ~# M, ]0 a* v( T% ma blood pressure of 85/50 mm Hg, his length was: v* X6 y+ y0 x( Z# k& G7 f  I
90 cm (>97th percentile), and his weight was 14.4 kg% |! i8 {% W3 b
(also >97th percentile). The observed yearly growth
3 c+ P. m+ m! ivelocity was 30 cm (12 inches). The examination of
3 V/ n& S$ J" [$ N9 D% G; ]the neck revealed no thyroid enlargement.3 J5 h2 ~5 A  v& e+ l, ~+ s2 A- z
The genitourinary examination was remarkable for
4 O: {7 S5 g( o$ D; w7 Jenlargement of the penis, with a stretched length of/ q' [8 Q6 L( K
8 cm and a width of 2 cm. The glans penis was very well& [) W; |4 [! Z* z& r! v
developed. The pubic hair was Tanner II, mostly around
3 B' g3 P7 h; _540
* _7 y3 Y( @% r+ c6 Fat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
9 A: \8 [6 a  [  K- Xthe base of the phallus and was dark and curled. The+ P( |! r( o' W$ f# S
testicular volume was prepubertal at 2 mL each.
1 D5 {0 h5 c( f5 P/ v2 HThe skin was moist and smooth and somewhat
( E3 K$ q+ w$ l% X4 Aoily. No axillary hair was noted. There were no$ E' f. M; r) a6 h6 O  `
abnormal skin pigmentations or café-au-lait spots.
  J2 O6 z3 |; K9 |' U! O5 R1 D2 yNeurologic evaluation showed deep tendon reflex 2+9 f- p+ K3 g- r( _( A9 \: l' K/ Q
bilateral and symmetrical. There was no suggestion' Q1 }) i3 D/ R4 b3 C( B
of papilledema.
. ]# A, K% G$ A) U' V/ RLaboratory Evaluation8 N6 r% v& ^' e! f+ z! ?
The bone age was consistent with 28 months by' p1 ?/ |! i5 s. J+ M; }
using the standard of Greulich and Pyle at a chrono-
& B9 {8 [# ?7 \! t# ~  s* ]logic age of 16 months (advanced).5 Chromosomal. E1 Z; X) q/ V0 J9 m6 ]  v
karyotype was 46XY. The thyroid function test8 G& X; E9 J) n0 J( f; v! ~1 H
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
$ t  Z- `- }# ~( u. r( A' Olating hormone level was 1.3 µIU/mL (both normal).
; H+ h. G5 S( g9 X* r5 v, ?The concentrations of serum electrolytes, blood+ v' s6 _9 ]) }7 W
urea nitrogen, creatinine, and calcium all were# z2 y) U& A) L+ s5 R2 ?4 y
within normal range for his age. The concentration! V9 _- a7 h" U: [: v1 ]
of serum 17-hydroxyprogesterone was 16 ng/dL' `$ N8 e* O1 k6 x) i
(normal, 3 to 90 ng/dL), androstenedione was 20
/ n- \8 Q3 k6 W2 h1 u% U  Jng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-. x- W* A+ f% C
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
) V& a& {3 F. G- G# Y+ {. Tdesoxycorticosterone was 4.3 ng/dL (normal, 7 to
. F0 M: E  K4 m4 ]49ng/dL), 11-desoxycortisol (specific compound S)* \  r! D- O; H5 C  N: W
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
8 v: l9 i) j4 Itisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total8 v3 `4 i7 A$ M! l1 R+ J1 f
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),! x+ T3 g; j, t' ?5 a0 u  S
and β-human chorionic gonadotropin was less than8 C8 n- y9 Q6 N
5 mIU/mL (normal <5 mIU/mL). Serum follicular
* y+ e4 d0 y% o. Kstimulating hormone and leuteinizing hormone; |1 e6 k, h+ _, h$ r
concentrations were less than 0.05 mIU/mL
% }, [4 g1 I! X. o' v0 Q(prepubertal).
' j' v! f' o4 E; j, u) Y8 BThe parents were notified about the laboratory
6 Q  R/ q1 q6 E" }0 O) G& t5 gresults and were informed that all of the tests were* [( d( x* O, J& f+ ?# `0 i. z4 M
normal except the testosterone level was high. The
0 f9 b- k( W1 P! sfollow-up visit was arranged within a few weeks to
+ A7 c: ~2 W) ?+ l6 fobtain testicular and abdominal sonograms; how-3 v" I6 Z% V0 O% U
ever, the family did not return for 4 months.
+ l, y# C0 O1 V6 t& I9 U2 I9 x/ MPhysical examination at this time revealed that the$ B1 d) @& W$ |8 j% ?7 N! G' X
child had grown 2.5 cm in 4 months and had gained- S3 u9 q, i$ G  g0 L; B
2 kg of weight. Physical examination remained- e' B! N& ~$ b: X# y9 F
unchanged. Surprisingly, the pubic hair almost com-5 o7 b  t9 a! U% W6 I1 n
pletely disappeared except for a few vellous hairs at
0 d8 j/ R/ \& H" `3 G1 ^the base of the phallus. Testicular volume was still 2
( p' q9 z& [" q: kmL, and the size of the penis remained unchanged.
  U! B, l# x' U1 r5 CThe mother also said that the boy was no longer hav-/ m4 B& U1 J) S4 x( ]
ing frequent erections.
$ h  F# ?: S9 W9 B( t3 RBoth parents were again questioned about use of: j  w0 n# G5 ^5 c, ^+ X' a* p
any ointment/creams that they may have applied to
9 ^* Z5 `: c7 ~: W' mthe child’s skin. This time the father admitted the$ ~" P1 A2 W2 J% M+ s4 c$ t
Topical Testosterone Exposure / Bhowmick et al 541& i% r  P0 [  t
use of testosterone gel twice daily that he was apply-# a% x, I* k7 s5 B* e
ing over his own shoulders, chest, and back area for
0 E* ]; g# N9 s/ ^+ z" C$ }a year. The father also revealed he was embarrassed
7 d6 r! l1 T  D- a: t5 mto disclose that he was using a testosterone gel pre-
) L: l- q0 L  [; Y2 c8 \7 e: |scribed by his family physician for decreased libido
& f; B8 y4 H$ r, P! Lsecondary to depression., B5 i3 f+ H. ]( s5 _/ B; Z; _
The child slept in the same bed with parents.1 t. y# P# y7 A" q  Q* N- d
The father would hug the baby and hold him on his' z: e/ n% Y1 }; C8 v$ d7 `
chest for a considerable period of time, causing sig-
& x' {5 |% o2 o+ Qnificant bare skin contact between baby and father.
( U, V# @9 p7 u3 E% TThe father also admitted that after the phone call,
, u' m7 `8 A% a. V  ?) Fwhen he learned the testosterone level in the baby6 A$ P- a4 `! b; P# [6 \
was high, he then read the product information6 w0 L, m) t* }
packet and concluded that it was most likely the rea-
# @- s4 n. b1 Q( e$ D! p* ?son for the child’s virilization. At that time, they! A- d$ c. |1 o( }. d
decided to put the baby in a separate bed, and the
% Q2 u' C0 K% D; O  zfather was not hugging him with bare skin and had
1 K/ H, u% [% H8 mbeen using protective clothing. A repeat testosterone
  A# U7 J/ P5 ~  M0 L. Ptest was ordered, but the family did not go to the
* s2 E1 a+ F0 j$ o' plaboratory to obtain the test.
. v- }* j# z0 Y" O' ~; @* L; ZDiscussion& o' B1 W7 m, {7 z: R
Precocious puberty in boys is defined as secondary: S1 L. @9 a# l! \$ m9 A# s1 j
sexual development before 9 years of age.1,41 q5 T! n; c0 C8 ?, a" G" R
Precocious puberty is termed as central (true) when
# R+ @% h% ^0 i1 b/ o8 l6 s+ `it is caused by the premature activation of hypo-/ {: b, k: _9 j6 ?2 I: W9 `
thalamic pituitary gonadal axis. CPP is more com-- J! z& n: `( u1 S' b+ ~  u: {: L
mon in girls than in boys.1,3 Most boys with CPP# j; @1 G9 T8 d. S1 p
may have a central nervous system lesion that is) |& g. |- ?/ w! V8 o2 |0 H6 O
responsible for the early activation of the hypothal-
; {/ ^( A) N! X4 v& N1 U- qamic pituitary gonadal axis.1-3 Thus, greater empha-: @# O  B$ m' s7 u6 M! I
sis has been given to neuroradiologic imaging in7 x) c( o7 M2 Z
boys with precocious puberty. In addition to viril-
$ X1 B* n) t2 \% s! x. jization, the clinical hallmark of CPP is the symmet-$ u: s4 `& a$ r  M
rical testicular growth secondary to stimulation by2 p" j0 L2 Q. G) J$ r3 C
gonadotropins.1,3
( W5 w! R! m& VGonadotropin-independent peripheral preco-
- r) ]" @5 J' D$ U9 {1 D) o" F! ^cious puberty in boys also results from inappropriate8 l+ x! X0 A4 `
androgenic stimulation from either endogenous or9 z+ K1 A# p; p5 y( X$ J
exogenous sources, nonpituitary gonadotropin stim-1 S- R* U/ p' J6 q3 ~
ulation, and rare activating mutations.3 Virilizing- P1 j: }3 ~* _3 @8 R! o7 c4 G5 G
congenital adrenal hyperplasia producing excessive
1 S( V. n# m4 S/ P/ P4 Yadrenal androgens is a common cause of precocious1 U9 y/ d) Z6 @6 y# |7 |5 a2 \* ]
puberty in boys.3,4$ b3 F0 i9 H# A9 g9 [
The most common form of congenital adrenal
1 P1 w6 q' e3 C# phyperplasia is the 21-hydroxylase enzyme deficiency.9 C* U. D; d5 d, w
The 11-β hydroxylase deficiency may also result in
1 \, T1 P8 d! p+ F+ Vexcessive adrenal androgen production, and rarely,3 x" ?# N# q: d! c% c: A
an adrenal tumor may also cause adrenal androgen
0 S* ]9 L- q- S: [9 jexcess.1,3
, B- |. T- A) r7 X' h/ Aat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
, P9 O0 s, R! s) G* Q& x' T+ q542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
" U8 T( K; h7 N9 M8 G9 R9 @. {A unique entity of male-limited gonadotropin-8 l- s0 j/ G: f) x0 R% }
independent precocious puberty, which is also known
! w' s5 H/ [( @8 \8 vas testotoxicosis, may cause precocious puberty at a! z2 I$ r. O. U; n5 n% g) y
very young age. The physical findings in these boys
9 y3 {, F6 K. n& T+ N* gwith this disorder are full pubertal development,
( i) U! m, I/ Q. s8 g( z; r9 q# |including bilateral testicular growth, similar to boys; ~6 M  W  t# `& s' h
with CPP. The gonadotropin levels in this disorder
/ m  K, l# o  B! L; I3 A4 mare suppressed to prepubertal levels and do not show
# C# e% |+ J9 @* t7 g/ ypubertal response of gonadotropin after gonadotropin-! e% a. z$ J/ j2 g: V
releasing hormone stimulation. This is a sex-linked* A0 \( w' x" j+ M
autosomal dominant disorder that affects only
, V# l7 R: Q- `8 j# _males; therefore, other male members of the family% m+ q" ~! j( N6 T- F
may have similar precocious puberty.37 x8 {  {! X0 L6 }" q/ N
In our patient, physical examination was incon-
0 z; v4 ?6 i7 G, B1 Wsistent with true precocious puberty since his testi-
* S7 z- \4 f4 p5 \cles were prepubertal in size. However, testotoxicosis5 z% U. V. e: e5 _# A( V
was in the differential diagnosis because his father
3 k2 x7 ^+ {# @/ C; Bstarted puberty somewhat early, and occasionally,
& G& e' k/ y" H+ u2 U6 F7 r4 E/ htesticular enlargement is not that evident in the
8 P9 F) K1 r& L) B* r. c: ubeginning of this process.1 In the absence of a neg-
& _  p8 a: y9 K: ?' s0 ]; s+ ]3 i2 Vative initial history of androgen exposure, our
+ P5 ~+ f! X6 Bbiggest concern was virilizing adrenal hyperplasia,
: b- B" u2 G1 c. b. ]2 Aeither 21-hydroxylase deficiency or 11-β hydroxylase% W1 s! J# \* Y+ L" q6 i; w
deficiency. Those diagnoses were excluded by find-) f9 v( {* m8 R  A
ing the normal level of adrenal steroids.
- j9 T/ T: B8 Y& H% ZThe diagnosis of exogenous androgens was strongly
$ N8 b( X8 s% r; Ysuspected in a follow-up visit after 4 months because, n) Y4 \1 }! \
the physical examination revealed the complete disap-
* M2 r( V. Z! l6 q0 z1 a+ r1 Fpearance of pubic hair, normal growth velocity, and5 B; l1 l8 F; K3 y9 ~( c
decreased erections. The father admitted using a testos-
2 Z+ b3 L) P) q, Kterone gel, which he concealed at first visit. He was
2 X$ `$ X2 K2 N. y5 P# qusing it rather frequently, twice a day. The Physicians’' L: p) X/ z4 J4 T, I& b/ B; W5 H
Desk Reference, or package insert of this product, gel or9 d) f8 |  A3 J0 A4 Y
cream, cautions about dermal testosterone transfer to" H7 u+ D" y8 n5 o" ]
unprotected females through direct skin exposure.) U: a( d  }  j
Serum testosterone level was found to be 2 times the% `& B9 Q2 [) l; j! w+ y
baseline value in those females who were exposed to" h1 V% a2 d* E+ H+ N; N" _
even 15 minutes of direct skin contact with their male
& D; a+ M2 q8 }3 S) n, Z, k; g0 Fpartners.6 However, when a shirt covered the applica-4 B  x) P1 E4 Z, ^
tion site, this testosterone transfer was prevented.
* z- Z4 Q2 T+ _Our patient’s testosterone level was 60 ng/mL,
: e; g3 N8 s' B8 d6 N# [which was clearly high. Some studies suggest that
, U% o) L: N2 \" ?# ]1 J1 A4 Ldermal conversion of testosterone to dihydrotestos-
( K) V1 D! ]3 R( w7 O5 Cterone, which is a more potent metabolite, is more
" T7 ^- h% e3 U! yactive in young children exposed to testosterone+ J8 \) l4 A6 ?8 c7 ^- P4 w% f; l7 w6 o
exogenously7; however, we did not measure a dihy-
' C5 f; |$ m% e6 _  h3 ]drotestosterone level in our patient. In addition to
! y% Z% L9 R6 w( kvirilization, exposure to exogenous testosterone in3 K6 a  J. }; \3 P8 L$ k/ l
children results in an increase in growth velocity and. z; ^" D! \; N" G9 m8 j0 t
advanced bone age, as seen in our patient.9 z  k' s/ Y: i( j
The long-term effect of androgen exposure during) u" V$ r* Z; e7 S; B& d
early childhood on pubertal development and final% X& V0 S5 `+ a7 k' w# b
adult height are not fully known and always remain
/ B" M5 J  E4 ^9 j( X# ga concern. Children treated with short-term testos-
% W# w" `! @" k7 k- Nterone injection or topical androgen may exhibit some
2 a$ d/ T0 N$ m6 Q& Kacceleration of the skeletal maturation; however, after
5 u5 q. r; z( @' h6 X- c& p# dcessation of treatment, the rate of bone maturation
$ C, A  v) _: Y  P. [decelerates and gradually returns to normal.8,9
7 j- K" a, i# J4 J0 @& RThere are conflicting reports and controversy
# d( @# T0 ?, @: z9 \# aover the effect of early androgen exposure on adult
, j. B$ Y! N( j* _penile length.10,11 Some reports suggest subnormal
; z$ |" Q0 K) C  [1 h+ {adult penile length, apparently because of downreg-2 Z" B2 w+ p6 M) y  w4 j" ~
ulation of androgen receptor number.10,12 However,, B/ c( C5 C7 s
Sutherland et al13 did not find a correlation between2 I+ V6 p% ~; E
childhood testosterone exposure and reduced adult
3 V" x$ x  o& m* s6 j, j4 u& d8 ^penile length in clinical studies.) w# o- K) I  h+ K, ~& v
Nonetheless, we do not believe our patient is$ ]. {( X( X& q8 ^) z2 b0 F" G( W
going to experience any of the untoward effects from9 e7 {3 ~9 B" J) S. k" j; m, Q
testosterone exposure as mentioned earlier because
4 }+ s8 o5 |3 ]& k. Ethe exposure was not for a prolonged period of time.
: c0 \; Q5 ^7 k" q7 @Although the bone age was advanced at the time of& r, j; m6 d: f8 l5 h+ ~" a* V
diagnosis, the child had a normal growth velocity at
( \! }4 L+ g# u0 K& z& Mthe follow-up visit. It is hoped that his final adult& X1 b! z1 A# F6 G
height will not be affected.9 f0 J( p6 C/ V' `- V: }+ p
Although rarely reported, the widespread avail-
% n1 a( i3 m1 a7 \2 ~! D1 @2 uability of androgen products in our society may
, k) A  i4 E* A- Cindeed cause more virilization in male or female
5 W4 F- D" x. H' Ochildren than one would realize. Exposure to andro-( T3 W2 @  i" [
gen products must be considered and specific ques-* [) r+ P/ C, z. V4 |* L7 {0 F
tioning about the use of a testosterone product or
& q! M% a# @0 E( fgel should be asked of the family members during
2 F7 f$ C2 @' X+ ]8 `the evaluation of any children who present with vir-
* x$ g/ F7 Q+ uilization or peripheral precocious puberty. The diag-: y7 z- v$ e7 _- e9 b' W! O6 M
nosis can be established by just a few tests and by3 A$ F) m( R* z1 I; H. Q
appropriate history. The inability to obtain such a
3 Q# r8 y6 a- w& y$ _history, or failure to ask the specific questions, may$ @) S7 {* u1 S4 D
result in extensive, unnecessary, and expensive: D2 X6 b' l9 s( E9 d
investigation. The primary care physician should be& }2 q& F- i  u* Q
aware of this fact, because most of these children
" U0 H5 |) ?) ^! P# M$ z8 v% Z& ]may initially present in their practice. The Physicians’
" ]/ T% v, o3 K- IDesk Reference and package insert should also put a
, O2 I) l, f  C& b. _! wwarning about the virilizing effect on a male or
  j  I# o8 {5 D* p( }3 q6 B1 ]3 nfemale child who might come in contact with some-
: G8 V& P, y* ?5 z  bone using any of these products.
* [* m4 P( D: |2 n; t2 GReferences4 _, ~2 x# I7 S8 `3 N+ g" L+ q
1. Styne DM. The testes: disorder of sexual differentiation$ c2 D& Z3 X' B
and puberty in the male. In: Sperling MA, ed. Pediatric
8 H0 u3 `9 X, i3 G: F: OEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
9 K- S/ z/ k: ?/ V, D9 ]( \2002: 565-628.$ h1 ^( ?, ?, u0 @
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious9 e, H+ Z* R0 q6 X2 f; o
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old9 i" z" f# A' N7 v
Boy Induced by Indirect Topical
' W3 U# \& i2 UExposure to Testosterone* m, O$ g- U* a3 u. N
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
7 a# @( e8 T! ~9 \" z- Zand Kenneth R. Rettig, MD1  H& q2 ~7 D; M# x
Clinical Pediatrics3 T9 j1 [. M  H8 Y
Volume 46 Number 60 H! m" f" F) @, G; ?) a. d
July 2007 540-543
: r  K/ R- H2 m; u© 2007 Sage Publications
: O6 x3 b) S% _# j) E( ~* b/ K' `10.1177/0009922806296651
& u4 y& }5 f: g7 [http://clp.sagepub.com3 c$ ~; W" {2 S7 P! y  W
hosted at
! D% |8 W+ a7 }( i$ Phttp://online.sagepub.com
& B9 H9 A% t2 h' VPrecocious puberty in boys, central or peripheral,. ?( F* G  r. d, ?! {
is a significant concern for physicians. Central
1 h2 D8 H1 O* i% K9 |precocious puberty (CPP), which is mediated) `+ \+ p& b2 A, S- ^- e
through the hypothalamic pituitary gonadal axis, has& l! h. N4 l0 z+ @! Q# g  Z
a higher incidence of organic central nervous system, Q# ~$ {6 @9 u  ]. s
lesions in boys.1,2 Virilization in boys, as manifested
5 v! @6 O0 Y7 ]by enlargement of the penis, development of pubic
  e" K# p  U8 w$ v* `hair, and facial acne without enlargement of testi-! f# g$ t' X2 U* H/ [$ ]( j
cles, suggests peripheral or pseudopuberty.1-3 We5 A% i+ I5 b9 B8 W- {
report a 16-month-old boy who presented with the# e& c( W  D) r; B# t# W+ k3 [
enlargement of the phallus and pubic hair develop-
* ~  v* E6 \$ M' E! X# |# L" jment without testicular enlargement, which was due
' D4 o6 ^4 j4 r# W! Dto the unintentional exposure to androgen gel used by! M+ F& A% a' x1 `: H1 S
the father. The family initially concealed this infor-
6 ^0 T, V- I# A* }! ]4 Umation, resulting in an extensive work-up for this
6 G: W: l. S$ |# `; lchild. Given the widespread and easy availability of
- u. ^: M" {, {. @6 p* E4 Vtestosterone gel and cream, we believe this is proba-: i, s6 @! B- n" s
bly more common than the rare case report in the
/ l6 u& m$ S1 n% w4 s: y4 Jliterature.4
* @) Q" Z6 D2 j, @* P# r5 KPatient Report
5 h( K9 D. ^5 i' z) iA 16-month-old white child was referred to the% h6 e' B5 g# q
endocrine clinic by his pediatrician with the concern) O1 l  h( e& M" G0 M
of early sexual development. His mother noticed
- A- t& K" [2 ~5 R  \! x* e* blight colored pubic hair development when he was
! k- _. z3 ^) i; S1 v" N% RFrom the 1Division of Pediatric Endocrinology, 2University of
% b% P6 c  j$ NSouth Alabama Medical Center, Mobile, Alabama.  _* @9 F- v4 y8 ^5 w9 D
Address correspondence to: Samar K. Bhowmick, MD, FACE,/ _% z, N  z  r& [2 K1 g# c
Professor of Pediatrics, University of South Alabama, College of$ I& n4 S' i8 {$ t, Z/ x
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;1 j2 g# b) q7 {0 S% ]5 ~* z
e-mail: [email protected].
4 W8 `& `% R. _; U  |0 C# ]about 6 to 7 months old, which progressively became
: d) g# a' U' D8 s3 W, ?( u# O; h- ?darker. She was also concerned about the enlarge-+ m: u1 M- B; N4 d$ u* D. \9 N% L
ment of his penis and frequent erections. The child4 C) f7 J1 P& F
was the product of a full-term normal delivery, with
0 C8 u- o) P& s8 qa birth weight of 7 lb 14 oz, and birth length of& s3 \+ Q+ h( _# N# l1 N
20 inches. He was breast-fed throughout the first year
" s6 T# T- C' q- V2 o. G+ V0 eof life and was still receiving breast milk along with/ Y# y/ ^' W) N% P
solid food. He had no hospitalizations or surgery,
9 e% d/ w9 J( @4 kand his psychosocial and psychomotor development' R4 X' x- h' I* a+ K( O3 ^
was age appropriate.
0 t: X6 s6 F  d4 H" ?4 `+ q& X3 rThe family history was remarkable for the father,
3 U, y7 K, p: ]: Wwho was diagnosed with hypothyroidism at age 16,
  |4 F5 l! _, ?& Twhich was treated with thyroxine. The father’s5 ]3 a( ]! A! j5 l) o/ f
height was 6 feet, and he went through a somewhat' c; H& O  s+ T+ K- t- H4 c* l
early puberty and had stopped growing by age 14.
2 N: m5 Z' }- }: [, IThe father denied taking any other medication. The
, [8 L. W- j& ^$ `child’s mother was in good health. Her menarche! i. o) P. k0 I- g% h
was at 11 years of age, and her height was at 5 feet0 M1 D) x! h+ }; e6 D+ f' a% M: `
5 inches. There was no other family history of pre-; P) Z4 A# [' i* `
cocious sexual development in the first-degree rela-
) z. ]; u2 }8 w( {. O, O  Jtives. There were no siblings.
. B- Z3 Y! o: |' ?Physical Examination
% R8 w! N* t9 y& E4 DThe physical examination revealed a very active,9 K' @2 Z  K1 w" e# @
playful, and healthy boy. The vital signs documented* j# `/ v& R( f
a blood pressure of 85/50 mm Hg, his length was
( q: p1 e& a7 z/ T! A90 cm (>97th percentile), and his weight was 14.4 kg
5 K- b% ^; L- D8 f- Y) p" `(also >97th percentile). The observed yearly growth5 l8 ?0 G: `1 `  k# b6 P: h
velocity was 30 cm (12 inches). The examination of
- B  z/ H1 O2 a; n8 ithe neck revealed no thyroid enlargement.
, S$ O. w( _' b8 m( P2 hThe genitourinary examination was remarkable for- |9 I3 H- D" R/ m8 |
enlargement of the penis, with a stretched length of; C+ U6 @: O) Y
8 cm and a width of 2 cm. The glans penis was very well6 s! Q. Z0 O0 [/ w* K. Z
developed. The pubic hair was Tanner II, mostly around
9 L% [# A5 ^3 \# O! G' i2 ^9 i540
5 `/ d: o5 L" k* |& ?! C8 R( m; F. V% Fat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
2 l5 {, f' c! ^the base of the phallus and was dark and curled. The# N9 X3 M, w9 u( ^0 N
testicular volume was prepubertal at 2 mL each.
, t- g; }2 H, J0 J# u3 r  S* M% Q- RThe skin was moist and smooth and somewhat
% y' Q0 h; N7 e/ I8 Doily. No axillary hair was noted. There were no! c! ^5 q" a! a. o
abnormal skin pigmentations or café-au-lait spots.
. M2 c. q5 A( f$ h% Q, @4 ?Neurologic evaluation showed deep tendon reflex 2+
- S) K( l3 k4 u! M0 Y  }# lbilateral and symmetrical. There was no suggestion1 r. C2 W" G, x
of papilledema.
4 g6 t4 S( M. i# s% T# E1 ]& P! _7 SLaboratory Evaluation; H/ C8 c) ~% V
The bone age was consistent with 28 months by
) a* S6 N; S) _using the standard of Greulich and Pyle at a chrono-
2 j& F% R4 c+ g* Rlogic age of 16 months (advanced).5 Chromosomal' S6 ]6 L; O, I
karyotype was 46XY. The thyroid function test- i$ e" t2 W+ X. K  {1 Q
showed a free T4 of 1.69 ng/dL, and thyroid stimu-% Y- e3 U# _( |/ T0 ]) S  Q) u
lating hormone level was 1.3 µIU/mL (both normal).
8 o6 |9 a7 E* _2 s, g0 `' CThe concentrations of serum electrolytes, blood
- v9 }* q. G" I4 p6 K+ wurea nitrogen, creatinine, and calcium all were
2 S- F& f& c1 ?/ k& t$ g' |within normal range for his age. The concentration* L  U. [: V4 g% O3 ^, w
of serum 17-hydroxyprogesterone was 16 ng/dL  A( ]: _( \6 t) R
(normal, 3 to 90 ng/dL), androstenedione was 20) y5 c; w% w9 d- {# M
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
% ]% I, E! |( o5 V0 Y) C" X3 lterone was 38 ng/dL (normal, 50 to 760 ng/dL),
0 U6 x& M: m+ H8 \: H% b' @desoxycorticosterone was 4.3 ng/dL (normal, 7 to0 p8 s& `- t" g) r
49ng/dL), 11-desoxycortisol (specific compound S)
9 x* {2 Q+ U- Y8 V# j: V# Uwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-9 S  l3 U# o2 C* s4 \* D
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total) o8 n6 m: \- K! R* C
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),& v9 h9 O* k- V+ R2 h( z( l  }+ F1 p$ K
and β-human chorionic gonadotropin was less than
$ d6 `9 \2 G% a! j/ i- `5 mIU/mL (normal <5 mIU/mL). Serum follicular# _) F3 H% i/ P$ U6 p6 }0 r; \% {
stimulating hormone and leuteinizing hormone
' V5 ?* V8 A7 F( ?* Y  D6 |: Mconcentrations were less than 0.05 mIU/mL% ?, `  ^2 p/ [+ I$ X! c+ I
(prepubertal).
, a! R- k! T$ t+ l( nThe parents were notified about the laboratory, |' N5 p& i5 |3 M2 {4 z: y+ D
results and were informed that all of the tests were
% o$ c3 e# ?* @. {5 T" Knormal except the testosterone level was high. The
" d" o5 e. I3 H7 d) b; @5 `follow-up visit was arranged within a few weeks to8 K# O% k: a7 n# d% H4 E& e
obtain testicular and abdominal sonograms; how-
$ I( \5 X" l6 r7 F5 Zever, the family did not return for 4 months.
5 O- K1 b: Z3 LPhysical examination at this time revealed that the  l9 w' `& C, j  _: i
child had grown 2.5 cm in 4 months and had gained* z2 x* X# l* c6 M0 A, V4 U0 `
2 kg of weight. Physical examination remained( h+ b3 y/ E! o( Q9 R
unchanged. Surprisingly, the pubic hair almost com-
1 [9 F: W$ }' opletely disappeared except for a few vellous hairs at
* |4 h: V4 ?! J( hthe base of the phallus. Testicular volume was still 21 U" S: \4 X# w$ C1 D' s) S
mL, and the size of the penis remained unchanged.  f  U. X. [2 {. E
The mother also said that the boy was no longer hav-9 r" i7 Y  M5 z
ing frequent erections.
0 @* D7 J8 [4 ?8 `Both parents were again questioned about use of* o/ f& @- z; k" L4 ~
any ointment/creams that they may have applied to
* C8 ]0 Z9 p7 h& k' Athe child’s skin. This time the father admitted the
( ~0 p- B. \1 W+ `Topical Testosterone Exposure / Bhowmick et al 541  ^+ m" D) m: V; J; u7 z8 m
use of testosterone gel twice daily that he was apply-  B  L6 Y& `  s& M) G- `
ing over his own shoulders, chest, and back area for
$ @4 f0 ^" v. Z6 u& Ta year. The father also revealed he was embarrassed  f  H) Y: g8 Z; Q8 V# A
to disclose that he was using a testosterone gel pre-; A1 ?: i3 h) E! }* |
scribed by his family physician for decreased libido+ X5 ?' _7 d* F7 U
secondary to depression.. E; k' h+ t  `* K( ~# c8 y8 x) `
The child slept in the same bed with parents.
1 d/ B) T/ L5 GThe father would hug the baby and hold him on his
! d7 V/ p) j; N" k* \. Bchest for a considerable period of time, causing sig-
2 I1 Y. Q+ z6 znificant bare skin contact between baby and father.
5 S! B& @  ~0 h3 F& [The father also admitted that after the phone call,
9 q: K" R; R$ k; k* Bwhen he learned the testosterone level in the baby2 s* Q; F; m  i' C* {: ~
was high, he then read the product information
, D2 v% Z+ z1 o: `9 Vpacket and concluded that it was most likely the rea-
" i. a4 P1 d& Rson for the child’s virilization. At that time, they& g1 p$ E+ ?2 _# |5 g$ S
decided to put the baby in a separate bed, and the
! b6 S% ?: t' P( E! Y# ?: {9 Ffather was not hugging him with bare skin and had
( z$ E" x3 z/ |been using protective clothing. A repeat testosterone
. ?( Q2 R2 w: o$ c" c& j) Itest was ordered, but the family did not go to the& e  P7 P4 z8 _# |+ y
laboratory to obtain the test.
# a/ y2 s& v, m7 I  ?5 E/ S6 EDiscussion
" W* v" t0 s/ ~, H; o7 m: t6 xPrecocious puberty in boys is defined as secondary1 O1 i2 C6 m; [% G, ~7 i5 ^
sexual development before 9 years of age.1,4
* _& z. Q( p  a3 N- ?4 c% t- APrecocious puberty is termed as central (true) when+ h8 R- n5 N8 R" q7 R
it is caused by the premature activation of hypo-+ y9 P" B* ]8 x" k$ d
thalamic pituitary gonadal axis. CPP is more com-
" i, x7 e* z1 ?8 m$ @mon in girls than in boys.1,3 Most boys with CPP% N. H  L$ ^" E+ {* z. @1 ^! a
may have a central nervous system lesion that is
, C5 P( ]0 W" s$ o; Uresponsible for the early activation of the hypothal-
( v( Z8 U+ Y1 ]3 S# s4 W7 uamic pituitary gonadal axis.1-3 Thus, greater empha-; A7 T4 ~& R8 q1 h. a2 M, S# H
sis has been given to neuroradiologic imaging in. U: j9 Y& o/ F- ?
boys with precocious puberty. In addition to viril-
9 H% \& Q2 [1 f" {& E) S; Cization, the clinical hallmark of CPP is the symmet-
3 h3 ?, v# |, L, Jrical testicular growth secondary to stimulation by9 w( Z9 b$ B$ @! r
gonadotropins.1,3
( E4 a8 P3 _2 B& U; c: jGonadotropin-independent peripheral preco-
7 D- N2 J$ o2 F# J6 H: @cious puberty in boys also results from inappropriate% X% i6 G' o/ e2 ?" T
androgenic stimulation from either endogenous or% H$ w; y! _- [$ |7 T
exogenous sources, nonpituitary gonadotropin stim-
( U8 V2 s' n: {$ E8 b+ N" @ulation, and rare activating mutations.3 Virilizing1 x% T7 E  I6 C5 a
congenital adrenal hyperplasia producing excessive, L, m% D$ R$ t1 x+ b
adrenal androgens is a common cause of precocious  i1 T% a% Q. `- \6 c0 y
puberty in boys.3,4; m: Q3 X9 z) A. D8 p5 ~
The most common form of congenital adrenal
( P3 ^7 ?! Z/ T+ e8 ~- v6 Ahyperplasia is the 21-hydroxylase enzyme deficiency.+ {% N$ e, d; D5 M2 g6 v  y% T
The 11-β hydroxylase deficiency may also result in
& K+ o+ H/ F) Q. qexcessive adrenal androgen production, and rarely,2 V, x* l6 L  O. w8 z
an adrenal tumor may also cause adrenal androgen
+ F8 ?' M/ ]4 Pexcess.1,3/ ]9 ^3 w) B$ U0 p5 {( P; F
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
1 d( g& D" \( C$ r% _2 d542 Clinical Pediatrics / Vol. 46, No. 6, July 2007  C+ s4 |. {9 L! F
A unique entity of male-limited gonadotropin-
8 N; m! f2 P8 C' vindependent precocious puberty, which is also known
& `6 A% t+ o8 H! E; Pas testotoxicosis, may cause precocious puberty at a: a4 L) c6 p5 Y# U* ~0 A- \
very young age. The physical findings in these boys+ l# O. U; y- X
with this disorder are full pubertal development,* \' i* v9 [+ C, Y1 M9 u% W  z
including bilateral testicular growth, similar to boys
4 |# ?9 Z: r; Rwith CPP. The gonadotropin levels in this disorder' \7 ^9 C! [  I' d- b+ d' Y
are suppressed to prepubertal levels and do not show, h$ c" ~" z+ k3 D5 y
pubertal response of gonadotropin after gonadotropin-
2 j0 `: L- a( mreleasing hormone stimulation. This is a sex-linked
- o% g/ m1 F- q( s+ {0 M8 p% Uautosomal dominant disorder that affects only
; J, T7 a7 G  {7 }& W7 E/ _males; therefore, other male members of the family
% o6 S/ \5 Z2 p, r6 v2 K- B. R  M6 Emay have similar precocious puberty.3  }$ B. [7 q* @. k+ R, l
In our patient, physical examination was incon-  O1 Y& e# y9 c4 J
sistent with true precocious puberty since his testi-  }0 }1 ^& F& g
cles were prepubertal in size. However, testotoxicosis
! T/ O+ Q7 W& X' q! u8 x7 ]was in the differential diagnosis because his father
& f0 a; A' i- o, W( Q9 y% mstarted puberty somewhat early, and occasionally,
  F, g1 D# N2 I9 x/ `1 Htesticular enlargement is not that evident in the! q& `- B9 l7 j0 f: I9 Y/ d
beginning of this process.1 In the absence of a neg-
) f  c) J1 J7 ^" ~% i) m' qative initial history of androgen exposure, our, m& Q% N& P& d3 o$ v' A% s& F
biggest concern was virilizing adrenal hyperplasia,
, Z6 }$ L# }9 H$ i' Veither 21-hydroxylase deficiency or 11-β hydroxylase
- x2 g4 M5 B, r* Ndeficiency. Those diagnoses were excluded by find-( S0 p; [$ i* l3 ^7 U1 o' E3 p9 \7 j/ B# v
ing the normal level of adrenal steroids.
% E+ C/ g  Z) E5 w7 U. K5 h+ tThe diagnosis of exogenous androgens was strongly
. k# Q$ |4 u) o% ~, Esuspected in a follow-up visit after 4 months because
" e9 u$ Z5 B& D3 ~; R  D# M2 Dthe physical examination revealed the complete disap-
$ M- q5 ]: O; Z' y- o) v2 X% @pearance of pubic hair, normal growth velocity, and* \1 V! }2 D) l/ H3 p5 z* x
decreased erections. The father admitted using a testos-- M# e1 v& b& U# n7 x
terone gel, which he concealed at first visit. He was
& Z* C6 L/ ^% \) s: c$ e# Musing it rather frequently, twice a day. The Physicians’: v$ h' H) l0 O# X
Desk Reference, or package insert of this product, gel or! `$ S, P6 q( j" ?
cream, cautions about dermal testosterone transfer to1 L7 {, m: m% X$ E! M" O
unprotected females through direct skin exposure.' O; r+ T$ O: \/ `! L9 ?7 r
Serum testosterone level was found to be 2 times the
. y- ]9 u  }* l0 D" ~baseline value in those females who were exposed to4 k. T7 F# t7 a# n
even 15 minutes of direct skin contact with their male. L; {' m. A- e
partners.6 However, when a shirt covered the applica-
/ G+ ?4 X0 v- p5 e: r/ Mtion site, this testosterone transfer was prevented.
) l$ @; v7 G: m/ x; y  OOur patient’s testosterone level was 60 ng/mL,
0 T; d: G4 w# r) v, ?: Swhich was clearly high. Some studies suggest that
2 D( s( m- I2 b8 q! Ndermal conversion of testosterone to dihydrotestos-
! E5 C! z" Z7 u! Y4 bterone, which is a more potent metabolite, is more
: Y+ e2 i1 T3 p9 @3 zactive in young children exposed to testosterone7 g, y+ a& \4 R6 q  K
exogenously7; however, we did not measure a dihy-
9 \, O, S, A  F9 Pdrotestosterone level in our patient. In addition to7 v) ]/ E' q# A/ A4 ~. ~. }
virilization, exposure to exogenous testosterone in
* }* D: A$ d2 k& rchildren results in an increase in growth velocity and
6 B: ]8 e( L+ D, Badvanced bone age, as seen in our patient./ I( a4 W6 [/ `" d( G
The long-term effect of androgen exposure during
. z7 Z7 Y' C! N; ^. Jearly childhood on pubertal development and final& ^) J) D$ @) o+ }
adult height are not fully known and always remain
4 `2 [  O( W3 k5 Aa concern. Children treated with short-term testos-1 u4 \4 T9 n/ m
terone injection or topical androgen may exhibit some8 @1 ?1 T# B- {
acceleration of the skeletal maturation; however, after
4 Z/ T3 I$ Z$ H) S/ \cessation of treatment, the rate of bone maturation
: F. U9 g, L4 q6 |" t0 odecelerates and gradually returns to normal.8,9
% n2 W: [6 R0 F- z3 `& m5 ?7 f- }, RThere are conflicting reports and controversy* c, ?  B# u8 F3 a! x/ z( x+ j, l
over the effect of early androgen exposure on adult
1 |4 V, ~  a. c/ m" r' ^& Ipenile length.10,11 Some reports suggest subnormal
2 o% X$ W  T5 t* c, m4 qadult penile length, apparently because of downreg-8 x( `* c/ a3 N  S( X4 R( v
ulation of androgen receptor number.10,12 However,
$ D# w5 P9 Y1 Q. l" d6 e, BSutherland et al13 did not find a correlation between
9 O" s# G* b* Y5 m7 |3 x+ {childhood testosterone exposure and reduced adult# {2 m9 x" G! l5 ~0 K3 _
penile length in clinical studies.+ w1 m/ x/ P0 ^* y  h! e3 R. _
Nonetheless, we do not believe our patient is& {) z& s% [: H) ~1 U
going to experience any of the untoward effects from9 H. T; B6 L6 C/ Y4 n4 Q$ R
testosterone exposure as mentioned earlier because
; a+ Q3 J+ _# ]( Y$ Ythe exposure was not for a prolonged period of time.
) K% B+ [# ^2 M8 a: ^  }3 rAlthough the bone age was advanced at the time of' F. s$ Q, g; b8 K* {1 {/ |
diagnosis, the child had a normal growth velocity at* \% N$ j; Y* E# _( S' d+ t5 K
the follow-up visit. It is hoped that his final adult7 j7 a$ Y6 J. i7 F+ k9 Y
height will not be affected.% a2 R* x' U) ^
Although rarely reported, the widespread avail-! q, B$ ?. Y: c& e- D7 f
ability of androgen products in our society may
+ E( I" m& A0 Bindeed cause more virilization in male or female
& y+ n+ a4 W7 f/ b& {& o) ~& \children than one would realize. Exposure to andro-
+ V  ?+ _: P# g/ z% w+ dgen products must be considered and specific ques-/ Y" \2 Q( r9 i$ s$ x
tioning about the use of a testosterone product or' Q+ Y! W, N% q% a+ U% d
gel should be asked of the family members during5 A! C! f, D. L) C
the evaluation of any children who present with vir-1 e4 B( K2 l& ]+ {
ilization or peripheral precocious puberty. The diag-
: G5 M$ G* ^, E, Cnosis can be established by just a few tests and by
& i0 b8 d, s. u, Aappropriate history. The inability to obtain such a& m5 n% H& g- `! x8 o
history, or failure to ask the specific questions, may# l6 y& f+ X; o6 ^: H$ T* L; N
result in extensive, unnecessary, and expensive+ Z- r, D5 P4 j  P4 u( v! w, D
investigation. The primary care physician should be* t8 `/ j$ Y( V- L9 E* l
aware of this fact, because most of these children
2 t& j# K5 x* N0 v0 zmay initially present in their practice. The Physicians’/ w. q+ b/ F, K) z
Desk Reference and package insert should also put a8 A" t7 X- D1 L2 |$ _
warning about the virilizing effect on a male or' ]6 S( G8 ^& t" m  C
female child who might come in contact with some-' `( k4 F( W" o5 F4 L
one using any of these products.
& _9 {4 v& H3 N1 B$ uReferences
% s( \% ~/ b3 g. @) W, N% H2 V% A. x1. Styne DM. The testes: disorder of sexual differentiation+ O7 i4 x, d1 W
and puberty in the male. In: Sperling MA, ed. Pediatric( B  T  `& \6 }
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
0 B/ ^( f2 ~/ S; H# A7 `3 m2002: 565-628.; T2 H7 R" v4 [9 k. l
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious0 }# I0 S& Z  I1 i3 y+ @" d' r7 o
puberty in children with tumours of the suprasellar pineal
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女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
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9 z2 V, ~$ k" z8 Q5 r精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
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