Cor pulmonale due to tumor cell embolization. Report of a case and a brief review of the literature.

Pulmonary hypertension due to tumor emboli is a rare complication of malignant diseases. We present a patient in whom symptoms and signs of acute cor pulmonale were caused by tumor cells and carcinomatous endarteritis occluding the pulmonary microvasculature. A concise review of the previous literature is also presented.