Testicular non-germ cell tumors

Question 1

Leydig cell

Answer 1

Contains Reinke crystals; usually androgen producing, gynecomastia in men, precocious puberty in boys. Golden brown color

Question 2

Sertoli cell

Answer 2

androblastoma from sex cord stroma

Question 3

Testicular lymphoma

Answer 3

most common testicular cancer in older men. Not a primary cancer, arises from lymphoma metastases to testes. Aggressive

Question 4

Tunica vaginalis lesions

Answer 4

Lesions in the serous covering of the testis present as testicular masses that can be transilluminated (vs testicular tumors)
Hydrocele: increased fluid secondary to incomplete fusion of processes vaginalis
Spermatocele: dilated epididymal duct