Abstract
An abnormal chest X-ray shadow in a 54 year-old man was pointed out in 1977. Though the abnormal shadow increased gradually, he did nothing about it as he had no complaints. In June, 1980, he visited our outpatient clinic, and left intrapleural tumor was diagnosed after some examinations including chest CT. The tumor was resected in July 1980. Pathologically, the resected tumor was a localized malignant fibrous histiocytoma of the chest wall projecting into the thoracic cavity.
A second operation was performed in May, 1982 because of recurrence. Malignant fibrous histiocytoma was recognized pathologically, the resected tumor was located on the left diaphragma, but no other metastasis was found.
This is a rare case of malignant fibrous histiocytoma of the chest wall projecting into the thoracic cavity.