Cavernous hemangioma of the liver: role of percutaneous biopsy.

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Abstract
Fifteen patients with liver masses detected with imaging were strongly considered clinically to have malignant disease. In each case, the possibility of a heptatic cavernous hemangioma was raised upon review of the images. With use of a 20-gauge Franseen needle, a percutaneous hepatic biopsy was performed in all 15 cases, and the diagnosis of cavernous hemangioma was confirmed. There were no complications from the biopsy. Twelve biopsies were performed on a outpatient basis. On the basis of the biopsy results, the care and treatment of each patient were significantly altered. When imaging data are not sufficient to determine that a liver mass is benign, even if the possibility of cavernous hemangioma is entertained, a percutaneous biopsy can be safely performed and can yield a specific histologic diagnosis.

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