Scrotal mass classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]

Overview

Scrotal mass may be classified into two subtypes: testicular and extratesticular.

Classification

The table below summarizes the classification of scrotal mass.

Scrotal Mass Adapted from Radiopaedia.org.
Testicular scrotal mass		Extratesticular scrotal mass
Neoplastic	Non-neoplastic	Benign	Malignant
Germ cell tumors	Adrenal cortical rest Chylocele Cystic dysplasia Dermoid cyst Epidermoid cyst (keratocyst) Granulomatous orchitis Hematocele Hydrocele Macroorchidism Malakoplakia Meconium periorchitis Testicular vasculitis Paratesticular fibrous pseudotumor Polyorchism (supranumerary testes) Spermatocele Splenogodal fusion syndrome (ectopic scrotal spleen) Varicocele Testicular torsion AIDS-related testicular cancer Brucellosis Gonorrhea infection Histoplasma infection Mumps orchitis Pyogenic epididymo-orchitis Syphilis Tuberculosis	Lipoma (most common) Leiomyoma of the scrotum Neurofibroma Granular cell tumor Angiofibroblastoma-like tumor Fibrous pseudotumor	Metastasis Liposarcoma Leiomyosarcoma of the scrotum Malignant fibrous histiocytoma (MFH) Rhabdomyosarcoma Melanoma of the scrotum
Seminoma Embryonal cell carcinoma Yolk sac tumor Teratoma Teratocarcinoma Choriocarcinoma Diffuse embryoma Polyembryoma Placental site trophoblastic tumor Epitheloid trophoblastic tumor Mixed germ cell tumor Carcinoid PNET (Ewing's tumor of the testis)
Sex-chord stromal tumors
Granulosa cell tumor Leydig (interstitial) cell tumor Sertoli hyperplasia (Sertoli adenoma, Pick's adenoma) Large cell calcifying Sertoli cell tumor Sclerosing Sertoli cell tumor Sertoli tumor, non-specific Sertoli-Leydig cell tumor (SLCT) Testicular tumor of andrenogenital syndrome (testicular adrenal rest tumor)
Other tumors
Fibroma Lymphoma Angiosarcoma Chondrosarcoma Hemangioma Mesothelioma Plasmacytoma

References

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