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Pediatric congenital anomalies of the female pelvis
Diagnostic Medical Sonography
60
Medical
Undergraduate 1
05/12/2011

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Term
gonads
Definition
glands that make sex hormones and reproductive cells-testes in the male, ovaries in the female
Term
Gonads
Definition
First parts of genital system to develop
Term
gonads
Definition
arise from gonadal ridges
Term
gonad ridge
Definition
area of cells that will develop into the gonads of fetus. This usually develops around 32 days after fertilization
Term
mesovarium
Definition
the ridge frees itself from mesonephros, forming a mesentery to become what?
Term
mesenchyme
Definition
the coelomic epithelium grows to form the primary sex cords, growing into what?
Term
rete ovarii
Definition

primary sex cords form canals

called what?

Term
reter ovarii
Definition

a transient network of cells in the

developing ovary

Term

oogonium

(first egg cell)

Definition
Cortical cords become immature follicles which contain what?
Term
oogonium
Definition
multiply rapidly producing thousands of primitive germ cellls
Term
9 weeks
Definition

Both sexes look similar until

week what?

Term
12 weeks
Definition

external organs fully form by what

week?

Term
urogenital sinus
Definition

urethra and vagina open into

 what?

Term
vestible of vagina
Definition
urogenital sinus become what?
Term
labia minora
Definition
urogenital folds become what?
Term
labia majora
Definition
the labioscrotal swellings become what?
Term
clitorus
Definition
the phallus becomes the what?
Term
<3mm
Definition
normal full bladder wall thickness
Term
<5mm
Definition
Normal empty or patially distended wall thickness should not exceed what?
Term
3.5 cm
Definition
newborn uterus size
Term
2.5 -3.0 cm
Definition
2 to 3 months of age uterus size?
Term
5.0 - 7.0 cm
Definition
Length of puberty uterus?
Term
internal iliac arteries
Definition
blood supply to uterus comes from bilateral uterine arteries that branch from what?
Term

lower pole of kidneys and the

 true pelvis

Definition
Neonatal ovaries may be found anywhere between where?
Term
uo to age 5
Definition

Mean ovarian volume is stable up to

 what age?

Term
Heterogeneous due to tiny cysts
Definition

Neonatal ovaries sonographic appearance

is what?

Term

ovarian arteries and

uterine artery

Definition
supplies the ovarian blood supply?
Term
aorta
Definition
ovarian arteries originate where?
Term
uterine artery
Definition

supplies an adnexal branch to

 each ovary

Term
0.5%
Definition
Incidence of congenital mullerian duct anomalies is what percentage?
Term
  • fallopian tubes
  • uterus
  • cervix
  • upper part of vagina
Definition

the paired mullerian ducts develops

into what?

Term
0.5%
Definition
Incidence of congenital mullerian duct anomalies?
Term
Kidneys, for ipsilateral renal agenesis
Definition
If mullerian anomalies are encountered what else should be evaluated?
Term

Mullerian agenesis

(Mayer-rokitansky-Kuster-Hauster Syndrome)

Definition

uterus is absent and will have

primary amenorrhea

Term
hydrocolopos
Definition
fluid filled vagina
Term
Hydrometrocolopos
Definition
fluid filled vagina and uterus
Term
Hematometrocolpos
Definition
blood-filled vagina and uterus
Term
Hymen
Definition
membrance that surrounds or partially covers the external vaginal opening.
Term
Hymen
Definition
Forms part of the vulva, or external genitilia
Term
Unicornuate uterus
Definition
one-sided uterus with renal agenesis of contralateral side
Term
Uterus didelphys
Definition

Complete duplication of uterus, cervix,

and vagina

Term
Bicornuate uterus
Definition

Uterus with two horns

"heart-shaped"

Term
rudimentary uterus
Definition
uterine remnant not connected to cervix and vagina and may be found on the other side of an unicornuate uterus
Term
Septated uterus
Definition
  • uterine septum or partition
  • Most common uterine malformation
  • Highest incedence of fertility problems
Term
Arcuate uterus
Definition
t-shaped, DES exposure
Term

Ambiguous genitalia or

hermaphroditism

Definition
  • Have both ovarian and testicular tissue, internal, and external genitalia are variable
  • error in sexual development

 

Term
Congenital virilizing adrenal hyperplasia, which is an increase in production of androgens
Definition
What is the common cause of hermaphroditism?
Term
Precocious puberty
Definition
  • isosexual
  • increase in size and activity of the gonads

      -enlarged uterus

      -echogenic endometrium

      -increased ovarian volume with functional

        cysts

Term
precocious pseudo-puberty
Definition
  • Mature secondary sexual characteristics, not gonadal
  • Adrenal gland tumors or cyst usually cause
  • Liver and adrenals are checked for lesions
Term
larger than 2cm
Definition
Cysts larger than what are considered pathologic?
Term
  • FSH
  • Maternal estrogens
  • hCG
Definition
Factors that contribute growth of pediatric cysts are what?
Term
  • Toxemia
  • Diabetes
  • Rh isoimmunization
Definition
higher incedence  of larger cysts with?
Term
torsion or hemorrhage
Definition

complications of ovarian cysts would

be what?

Term
Ovarian torsion
Definition
  • Usually occurs within first two decades of life
  • Severe abdominal pain
  • enlarged ovary
  • cul-de-sac fluid
  • cul-de-sac fluid with echoes or debris from hemorrhage
Term
  • Appendicitis
  • Gastroenteritis
  • pyelonephritis
  • PID
Definition
Differential considerations of ovarian torsion?
Term
Appendicitis
Definition
Differential considerations of ovarian teratomas?
Term
isosexual
Definition
concerning or characteristic of the same sex
Term
oocytes
Definition
the early or primitive ovum before it has developed completlely
Term
oogonium
Definition
a cell produced at an early stage in the formation of an ovum
Term

paramesonephric ducts

(Mullerian ducts)

Definition
ether of the paired ducts that for adjacent to the mesonephric ducts in the embryo
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