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INTRODUCTION It has been reported that cardiac malignant fibrous histiocytomas occur more frequently in the left side of the heart, especially in the left atrium, but rarely invade the mitral valve. We present a case with a giant malignant fibrous histiocytoma with an unusual localization involving almost the entire left atrium, mitral valve, and left superior pulmonary vein. CASE PRESENTATIO...

BACKGROUND Malignant fibrous histiocytoma is a sarcoma of uncertain origin that can be found both in soft tissues and in bones. It is currently called undifferentiated pleomorphic sarcoma not otherwise specified and it represents a final common pathway in several tumors that are subject to the progress of dedifferentiation. Local recurrence of the tumor in the same location where it was origina...

Solitary fibrous tumour of pleura (SFTP) is a rare tumor contributing to less than 5% of all pleural tumours and about 10% 30% of these tumours show features of malignancy. Occurrence of hypoglycaemia with solitary fibrous tumour is an unusual paraneoplastic syndrome designated as Doege-Potter syndrome which can occur both in benign and malignant tumours. Very few cases of solitary fibrous tumo...

Primary renal malignant fibrous histiocytoma is extremely rare. The prognosis is generally poor because of the high rate of local recurrence even if radical surgery is performed. We report a case of primary renal malignant fibrous histiocytoma in a 43-year-old woman. A well-defined renal mass (10x9x7cm) with lobulated contour was revealed by abdominal ultrasonography and computerized tomography...