Gastrointestinal metastases in lung cancer are extremely rare. The report presents a rare case of primary lung sarcomatoid carcinoma with both gastric and colonic metastases, and reviews the literature about endoscopic presentation of colonic metastases.

A 61-year-old man presented with a right renal mass with a vena caval thrombus on computed tomography that was consistent with renal cell carcinoma. The results of routine laboratory examinations and urinalysis were within normal limits. Preoperative planning was critical owing to the presence of the vena caval thrombus. A radical nephrectomy, vena caval thrombectomy, and regional lymphadenecto...

Intrahepatic sarcomatoid cholangiocarcinomais is a very rare disease with a poor prognosis due to its biologically aggressive tumor behavior. We report a patient who presented with subcapsular hemorrhage and a rapidly growing liver mass. A 57 year-old man was admitted with severe abdominal pain. CT and MRI images showed the presence of a 10 cm-sized subcapsular hemorrhage connected with a multi...

Primary leiomyosarcoma of the kidney is a rare tumor with an aggressive behaviour. A 55-year-old woman presented with a left sided abdominal mass in our outpatient department. Radiologic investigations revealed the mass to be renal in origin with colonic adhesions for which radical nephrectomy and hemicolectomy were done. The tumor completely appeared to replace the left kidney and had a whorle...

Deciduoid mesothelioma is a rare variant of the epithelioid histotype spectrum, resembling decidua of gravid uterus. It is found in the peritoneum of young women, but also in the pleura of elderly people. Histotype plasticity from epithelioid to sarcomatoid mesothelioma may be considered as epithelial-mesenchymal transition (EMT). A full autopsy was performed and mesothelioma infiltrates were a...

Sarcomatoid renal cell carcinoma (sRCC) is a highly aggressive form of dedifferentiated renal cell carcinoma. We report a 62-year-old man who presented with respiratory symptoms and a lung mass on chest computed tomography (CT). The patient underwent positron emission tomography/computed tomography (PET/CT) with 18F-fluorodeoxyglucose (18F-FDG) and was found to have extensive metastatic disease...

Sarcomatoid carcinomas are rare tumors. These tumors have been reported at other sites, but head and neck origin is extremely uncommon. We report here a rare case of sarcomatoid carcinoma involving the maxilla. Only four such cases with maxillary origin have been discussed in English literature earlier. As compared to squamous cell carcinoma of maxilla, this variant is associated with poor prog...

Sarcomatoid carcinoma (SC) of prostate gland is a rare biphasic tumour. In about half of cases, initial diagnosis is acinar adenocarcinoma, followed by nonsurgical therapy, with a subsequent diagnosis of SC. The survival rate is lower. We report a case of an 59-years-old man with unusual histopathologic finding of prostate sarcomatoid carcinoma, showing characteristics of ductal prostatic adeno...

Sarcomatoid (spindle cell) carcinoma of the pancreas is a rare, high-grade epithelial malignancy composed predominantly or exclusively of spindle cells demonstrating evidence of epithelial derivation, but no features indicative of a specific line of mesenchymal differentiation. The current study presents the case of an 85-year-old Caucasian male with a tumor mass in the body of the pancreas. Th...