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Seminoma

•Most common

•Mid 30’s

•Radio-sensitivity

•Germ Cell tumor

Yolk Sac Tumor

•Infants

•Mostly testis

•Endodermal sinus

•Alpha-fetoprotein

Choriocarcinoma

•20-30 years of age

•HCG increase

•Gynecomastia

Leydig Tumor

•Interstitial cells (non-germ)

•Benign

•Intra-cytoplasmic Reinke crystals

•Adult gynecomastia

Prostatic Carcinoma

•Inner group of glands

•Posterior lobe

•PSA in serum

•PAP (Prostatic acid phosphate)

Inflammations

•Balanitis ⇔ Poor hygiene

•Syphilis ⇔ Chancre

•Gonorrhea ⇔ Neisseria

•Chlamydia ⇔ Nongonococcal urethritis

Testicular Diseases

•Torsion of Spermatic cord ⇔ testicular gangrene

•Cryptorchidism ⇔ Atrophy

•Hydrocele ⇔ Distended tunica vaginalis

Other Tumors

•Teratoma ⇔ germ cell tumor

•Androblastoma ⇔ Sertoli cell