Histopathology Atlas

MALE GENITAL TRACT

TESTIS

• Histology:

  • Testis

  • Epididymis

• Non-neoplastic lesions:

  • Testicular torsion - hemorrhagic necrosis

• Neoplasms:

  • Intratubular germ cell neoplasia - IGCN

  • Seminoma

  • Embryonal carcinoma

  • Yolk sac tumor

  • Choriocarcinoma

  • Immature teratoma

  • Mixed germ cell tumor

  • Leydig cell tumor

PROSTATE

• Histology:

  • Prostate

  • Seminal vesicles

• Prostatitis:

  • Chronic prostatitis

  • Infectious granulomatous prostatitis - Tuberculosis and BCG-therapy

• Benign lesions:

  • Nodular prostatic hyperplasia

• PIN, prostate intraepithelial neoplasia:

  • LGPIN, low-grade

  • HGPIN, high-grade

• Prostatic carcinoma:

  • Adenocarcinoma, Gleason score 3+3

  • Adenocarcinoma, Gleason score 4+4

  • Mucinous (colloid) adenocarcinoma

PENIS AND SCROTUM

• Histology:

  • Penis

• Balanitis xerotica obliterans

• Mucoid cyst

• Idiopathic scrotal calcinosis

GYNECOLOGIC

OVARY AND FALLOPIAN TUBE

• Histology:

  • Ovary

  • Fallopian tube

• Fallopian tube:

  • Ectopic pregnancy

  • Acute salpingitis

  • Paratubal cyst

• Ovary:

  • Non-neoplastic cysts:

    • Hemorrhagic corpus luteum

    • Follicular cyst

  • Surface epithelial tumors:

    • Serous cystadenoma

    • Mucinous cystadenoma

    • Borderline serous tumor

    • Serous cystadenocarcinoma

    • Brenner tumor

    • Clear cell adenofibroma

  • Germ cell tumors:

    • Dysgerminoma

    • Mature cystic teratoma

  • Sex cord stromal tumors:

    • Thecoma

  • Other tumors:

    • Leiomyoma cellulare

UTERUS

• Histology:

  • Uterus

• Benign lesions/neoplasms:

  • Adenomyosis

  • Leiomyoma

  • Endometrial polyp

• Endometrial hyperplasia:

  • Endometrial hyperplasia without atypia

  • Endometrial hyperplasia with atypia

• Carcinoma:

  • Endometrioid adenocarcinoma

• Stromal tumors:

  • Malignant mixed Mullerian tumor - MMMT

CERVIX

• Histology:

  • Cervix

• Inflammation:

  • Chronic cervicitis

• Benign/non-neoplastic lesions:

  • Endocervical polyp

• Premalignant/preinvasive lesions:

  • Low-grade squamous intraepithelial lesion - CIN I

  • High-grade squamous intraepithelial lesion - CIN II)

  • High-grade squamous intraepithelial lesion - CIN III, carcinoma in situ

• Malignant neoplasms:

  • Squamous cell carcinoma

PLACENTA

• Histology:

  • Placenta

• Hydatidiform mole