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Histological Classification of Tumors of the Genital System of Domestic Animals

MALE
1 Tumors of the Testis
1.1 Sex cord-stromal (gonadostromal) tumors
1.1.1 Interstitial (Leydig) cell tumor
1.1.2 Sertoli (sustentacular) cell tumor
1.2 Germ cell tumors
1.2.1 Seminoma
1.2.2 Teratoma
1.2.3 Embryonal carcinoma
1.3 Mixed germ cell-sex cord stromal tumors
2 Tumors Metastatic to the Testis
3 Tumors of the Collecting System
4 Tumors of the Testicular Adnexal Structures
4.1 Mesothelioma
5 Miscellaneous Tumors of the Testis and Adnexa
6 Tumorlike Lesions of the Epididymis
6.1 Adenomyosis of the epididymis
7 Tumors of Accessory Reproductive Organs
7.1 Tumors and tumorlike lesions of the canine prostate
7.1.1 Hyperplasia of the prostate
7.1.2 Adenocarcinoma of the prostate
7.1.3 Mesenchymal tumors of the prostate
7.1.4 Tumors metastatic to the prostate
8 Tumors of the Penis
8.1 Squamous papilloma
8.2 Squamous cell carcinoma
8.3 Transmissible venereal tumor of dogs
8.4 Fibropapilloma of cattle
8.5 Transmissible genital papilloma of pigs
 
FEMALE
1 Tumors of the Ovary
1.1 Sex cord-stromal (gonadostromal) tumors
1.1.1 Granulosa cell tumor (granulosa-theca cell tumor)
1.1.2 Thecoma (theca cell tumor)
1.1.3 Interstitial cell tumor (luteoma, lipid cell tumor, steroid cell tumor)
1.2 Germ cell tumors
1.2.1 Dysgerminoma
1.2.2 Teratoma
1.2.3 Embryonal carcinoma
1.3 Epithelial tumors
1.3.1 Papillary adenoma, papillary cystadenoma
1.3.2 Papillary adenocarcinoma
1.3.3 Rete adenoma
1.4 Mesenchymal tumors
1.4.1 Hemangioma
1.4.2 Leiomyoma
2 Tumors Metastatic to the Ovary
3 Tumorlike Lesions of the Ovary
3.1 Adenomatous hyperplasia of the rete ovarii
3.2 Papillary hyperplasia of the surface epithelium
3.3 Stromal hyperplasia
3.4 Vascular hamartoma
4 Cysts in and around the Ovary
4.1 Cysts in the ovary
4.1.1 Graafian follicle cysts
4.1.2 Luteinized cysts
4.1.3 Epithelial inclusion cysts in the mare (fossa cysts)
4.1.4 Cysts of the subsurface epithelial structures in the bitch
4.1.5 Cystic rete ovarii
4.2 Cysts around the ovary
4.2.1 Cysts of wolffian (mesonephric) tubules and ducts
4.2.2 Cysts of müllerian (paramesonephric) duct
5 Tumors of the Uterine Tube (Oviduct)
5.1 Epithelial tumors
5.1.1 Adenoma
5.1.2 Adenocarcinoma
5.2 Mesenchymal tumors
5.2.1 Lipoma
6 Tumors of the Uterus
6.1 Epithelial tumors
6.1.1 Adenoma of the endometrium
6.1.2 Adenocarcinoma of the endometrium
6.2 Mesenchymal tumors
6.2.1 Fibroma
6.2.2 Leiomyoma
6.2.3 Leiomyosarcoma
7 Gestational Trophoblastic Disease
7.1 Subinvolution of placental sites in the bitch
8 Tumorlike Lesions of the Uterus
8.1 Adenomyosis of the uterus
8.2 Cystic endometrial hyperplasia
8.3 Endometrial cysts
8.4 Endometrial polyp
8.5 Lymphangiectasia
8.6 Wolffian (mesonephric duct cysts)
8.7 Serosal cysts
9 Tumors Metastatic to the Uterus
10 Tumors of the Cervix
11 Tumors of the Vagina and Vulva
11.1 Epithelial tumors
11.1.1 Papilloma
11.1.2 Fibropapilloma of cattle
11.1.3 Squamous cell carcinoma of the vulva
11.1.4 Urothelial carcinoma involving the canine vestibule
11.2 Mesenchymal tumors
11.2.1 Leiomyoma
11.3 Transmissible venereal tumor
12 Tumorlike Lesions of the Vulva and Vagina
12.1 Cysts
12.2 Edema of the vulva
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