Renal Cell TUMORS Renal cell carcinomas are tumors that arise from or recapitulate the differentiation of the renal tubular epithelium. They are by far the most common renal cancers and account for more than 90% of all malignancies in the…
Prostatic Intraepithelial Neoplasia Clinical Features Prostatic intraepithelial neoplasia (PIN) is a noninvasive neoplastic proliferation of the acinar epithelium that arises within preexisting prostatic acini and ducts. PIN glands have a benign architecture but are lined with cytologically atypical cells characterized…
Ureter Ureteritis Cystica Et Glandularis Clinical Features One of the most common non-neoplastic urothelial proliferations Reactive urothelial proliferation that develops following an inflammatory stimulus Typically asymptomatic and found incidentally Gross Pathology Nodular cobblestone appearance due to numerous small, superficial, fluid-filled…