Facts

Question 1

Hormone produced by yolk sac tumors

Answer 1

AFP

Question 2

Hormone produced by choriocarcinoma

Answer 2

hCG

Question 3

Hormone produced by embryonal carcinoma

Answer 3

AFP and hCG

Question 4

Teratoma

Answer 4

AFP and hCG in 50%

Question 5

Seminoma description

Answer 5

Ages 30-35, >65. Most common, radiosensitive, NO hemorrhage or necrosis.

Question 6

Embryonal carcinoma description

Answer 6

Ages 20-25. Bulky, hemorrhage and necrosis present. Increased AFP and hCG

Question 7

Yolk sac (endodermal sinus) tumor description

Answer 7

Most common in children < 5. Schiller-Duval bodies, glomeruloid bodies. AFP produced

Question 8

Choriocarcinoma description

Answer 8

Ages 20-30. Most aggressive, painful. hCG produced. Commonly mixed with other tumor types. Contains syncytiotrophoblasts and cytotrophoblasts. May cause gynecomastia bc hCG is LH analog.

Question 9

Teratoma

Answer 9

All ages. Produces AFP and hCG in 50% of cases.

Question 10

Malignant lymphoma.

Answer 10

Most common testicular cancer >60 years old. Diffuse large cell lymphoma involves both testes. Poor prognosis.

Question 11

Hydrocele description

Answer 11

Most common cause of testicular enlargement, positive transillumination test, ALWAYS associated with indirect inguinal hernia. Failure to close of tunica vaginalis. Fluid accumulates between layers of tunica vaginalis.

Question 12

Epididymitis under 35 yo

Answer 12

Gonorrhea, chlamydia

Question 13

Epididymitis over 35 yo

Answer 13

E. Coli, pseudomonas aeruginosa

Question 14

Bowen’s disease of penis

Answer 14

Leukoplakia involving shaft of penis and scrotum, HPV type 16 association, erythroplasia of Queyrat on glans and prepuce.

Question 15

Leydig Cell Tumor

Answer 15

Adult men, may produce androgens and/or estrogens, can cause gynecomastia or feminization. Histologically benign, most are small.

Question 16

Haemophilus ducreyi facts

Answer 16

Gram - chubby rods, causes chancroids, painful chancres, enlarged lymph nodes.