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Table 1 World Health Organization classification of tumors of the prostate

From: Differential diagnosis of uncommon prostate diseases: combining mpMRI and clinical information

Category/Tumor

Epithelial tumors

Glandular neoplasms

 Acinar adenocarcinoma

 Prostatic intraepithelial neoplasia, high-grade

 Intraductal carcinomac

 Ductal adenocarcinoma

Urothelial carcinoma

Squamous neoplasms

 Adenosquamous carcinoma

 Squamous cell carcinoma

Basal cell carcinoma

Neuroendocrine tumors

Adenocarcinoma with neuroendocrine differentiation

Well-differentiated neuroendocrine tumor

Small cell neuroendocrine carcinoma

Large cell neuroendocrine carcinoma

Mesenchymal tumors

Stromal tumor of uncertain malignant potential

Stromal sarcoma

Leiomyosarcoma

Rhabdomyosarcoma

Leiomyoma

Angiosarcoma

Synovial sarcoma

Inflammatory myofibroblastic tumor

Osteosarcoma

Undifferentiated pleomorphic sarcoma

Solitary fibrous tumor

Solitary fibrous tumor, malignant

Hemangioma

Granular cell tumor

Hematolymphoid tumors

Diffuse large B-cell lymphoma

Chronic lymphocytic lymphoma/small lymphocytic lymphoma

Follicular lymphoma

Mantle cell lymphoma

Acute myeloid leukemia

B lymphoblastic leukemia/lymphoma

Miscellaneous tumors

Cystadenoma

Nephroblastoma

Rhabdoid tumor

Germ cell tumor

Clear cell adenocarcinoma

Melanoma

Paraganglioma

Neuroblastoma

Metastatic tumors