Sarcomatoid Transitional Cell Carcinoma

A poorly differentiated squamous cell carcinoma characterized by the presence of malignant cells with spindle cell features.

A high grade carcinoma of the kidney. It is not a distinct clinicopathological entity and includes a diverse group of renal…

A diffuse malignant mesothelioma arising from the pleura and less often the peritoneum. It is characterized by the presence of spindle…

A rare, aggressive variant of intrahepatic cholangiocarcinoma. It is characterized by the presence of adenocarcinoma cells that are intermingled with malignant…

A morphologic variant of hepatocellular carcinoma characterized by the presence of malignant spindle cells or atypical giant cells.

A microscopic finding indicating the presence of cells with sarcomatoid, usually spindle cell differentiation in a tumor sample.