Pediatric Urogenital Pathology

Question 1

What are causes of hydrometrocolpos?

Answer 1

distal stenosis, atresia, transverse vaginal septa, or imperforate membrane of vagina

Question 2

What is the age of presentation for hydrometrocolpos?

Answer 2

infancy or menarche

Question 3

Sonographic findings of hydrometrocolpos: (3)

Answer 3

• layering debris in cavity between bladder and rectum
• secondary hydronephrosis
• lack of internal blood flow

Question 4

What is the term for dilated, fluid-filled vagina and uterus?

Answer 4

hydrometrocolpos

Question 5

What is the most common cystic ovarian mass between neonatal and puberty?

Answer 5

ovarian teratoma

Question 6

Dermoid AKA

Answer 6

mature teratoma, often found in adolescents

Question 7

What is the most common testicular tumor type in adolescents?

Answer 7

seminoma (testicular cancer)

Question 8

What is the most common testicular tumor type in young boys?

Answer 8

yolk sac tumor rare

Question 9

Peak age incidence for rhabdomyosarcoma:

Answer 9

2-6 years

Question 10

Where do rhabdomyosarcomas originate from?

Answer 10

any organ in pelvis

Question 11

Sonographic findings of rhabdomyosarcoma:

Answer 11

Large heterogeneous solid or cystic mass in any pelvic organ, secondary findings include urinary obstruction and adenopathy