Definition A rare variant of urothelial carcinoma, characterized by the presence of lipoblast-like epithelial tumor cells with lipid-containing cytoplasmic vacuoles Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership…
Definition Urothelial carcinoma showing clear cell pattern with glycogen-rich cytoplasm Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
Definition Undifferentiated carcinoma of the urinary bladder with a prominent lymphocytic stroma and morphologic resemblance to the undifferentiated nasopharyngeal carcinoma variant Clinical features Epidemiology The male-to-female ratio is 2:1. Most patients are in late adulthood, with a mean age at…
Definition A histologic variant of urothelial carcinoma that is composed of malignant urothelial nests, usually with low-to-intermediate nuclear grade, with microcyst, macrocyst and tubular formation. Usually occurs in the bladder with rare cases in the renal pelvis Clinical features Epidemiology…
Definition Morphologically distinct variant of invasive urothelial carcinoma Clinical features Epidemiology Incidence <1% to 2.2% of all invasive urothelial carcinomas Most common in the sixth decade (range, 45 to 91 years) Males more frequently affected (male-to-female ratio, 5:1) You’re Reading…
Definition A rare variant of urothelial carcinoma composed of cytologically bland cells that infiltrate in individual or crowded nests Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If…
Definition A rare variant of urothelial carcinoma composed of cells that resemble plasma cells and/or monocytes Also known as signet cell or diffuse variant Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy…
Definition Urothelial carcinoma associated with both villous and glandular components Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
Definition Urothelial carcinoma shows focal or extensive areas of keratin production or intercellular bridge formation. Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member.…
Definition Noninvasive low- or high-grade urothelial carcinoma showing an inverted–endophytic pattern of growth; may have a coexisting exophytic papillary component Clinical features Epidemiology Relatively uncommon You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited…