Mediastinal hemangioma: how to avoid surgical resection?

Mediastinal hemangioma is a rare benign tumor which can sometimes mimic the clinical presentation and radiological findings of malignant tumors. Here we present a rare case of cavernous hemangioma in the mediastinum in a patient with colorectal cancer, which required histologic verification before onset of treatment. Type of contrast enhancement, presence of drainage veins and calcification are typical characteristics of hemangioma.