"Question ID","Question","Discussion","Answer","Year" "20220032","

Reportability/Histology--Testis: Is micropapillary serous borderline tumor reportable? Pathology states Testis (C621) radical orchiectomy: Micropapillary serous borderline tumor. 

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We consulted an expert genitourinary pathologist who advises that micropapillary serous borderline tumor of the testis is reportable. He states ""it is the same neoplasm as in the ovary. It arises from tissue (tunica vaginalis) surrounding the testis so is a paratesticular neoplasm."" 

 Please note: not all borderline tumors are reportable and this diagnosis is an exception because it is assigned /2 in ICD-O-3.2. It is reportable for cases diagnosed Jan 1, 2021 and later.

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