Malignant Hypopharyngeal Neoplasm

A rare disorder characterized by rapid rise of the body temperature, accompanied by rhabdomyolysis and, if untreated, by collapse and death. It…

Severe hypertension characterized by papilledema and necrosis of small arteries and arterioles. The diastolic pressure is generally greater than 130 mm…

An antiquated term referring to cases of systemic non-Hodgkin lymphomas which are composed of large, atypical neoplastic lymphoid cells and cases of…

Clonal proliferations that arise in the skin that have histiocytic differentiation with features of locally aggressive growth or metastasis.

A malignant neoplasm that affects the liver parenchyma, bile ducts, and gallbladder. Representative examples include hepatocellular carcinoma, intrahepatic and extrahepatic cholangiocarcinoma,…

An uncommon malignant neoplasm arising from pericytes. Distinction between benign and malignant hemangiopericytoma may be difficult or even impossible on morphologic…