Abstract Background Sarcomatoid carcinomas are extremely rare tumors made of epithelial and mesenchymal elements. They have been found in various organs, but presence the common bile duct (CBD) has only reported a handful times. Insight regarding clinical history, histopathology, treatment, prognosis is limited. The majority CBD sarcomatoid occurred elderly women, including this case. Surgical ...

Sarcomatoid change in renal cell carcinoma is the result of the dedifferentiation of the "parent" tumor into a high-grade malignancy characterized by sarcoma-like features and associated with an accelerated clinical course and poorer prognosis. Any of the renal cell carcinoma subtypes can undergo sarcomatoid dedifferentiation, with the chromophobe variant being the most prone. The present repor...

Malignant Mesothelioma, or mesothelioma, is a mesothelial-based malignancy that may occur in the pleura, pericardium and peritoneum. Mesothelioma is a very aggressive cancer with limited treatment, and a median survival of about 1 year. At times, the diagnosis of mesothelioma may be problematic. The final diagnosis of mesothelioma relies on histology and often is dependent upon immunohistochemi...