Pulmonary carcinosarcoma masquerading as a cryptic disseminated malignancy

Pulmonary carcinosarcoma is an aggressive rare malignant tumor comprising a mixture of carcinoma and sarcoma components containing differentiated mesenchymal elements, such as malignant cartilage, bone, and skeletal muscle. We report a case which presented with unusual clinical features and proved cryptic until death. At autopsy, it was a stage IV lung malignancy and histopathology revealed a carcinosarcoma comprising an adenocarcinoma and an osteosarcoma with metastasis to the heart, lymph nodes, and both adrenals. To our knowledge, this is the first case of this subtype with metastasis to the heart. The present case had an unusual clinical presentation and its elusive nature towards diagnosis despite dissemination is noteworthy and unique in the literature.

Endobronchial non-Hodgkin's lymphoma

A 23-year-old male presented with clinical and radiological features of left lung collapse. Fibre-optic bronchoscopy revealed a smooth globular mass almost completely occluding the left main bronchus. Needle aspiration and endobronchial biopsy from the mass revealed it to be a case of anaplastic large cell lymphoma, a subtype of non-Hodgkin's lymphoma. This report documents the rare presentation of non-Hodgkin's lymphoma as an endobronchial mass.