Xanthogranulomatous malignant fibrous histiocytoma arising from posterior mediastinum.

In a phase II study, 16 adult patients with locally advanced or metastatic soft tissue sarcomas were treated with i.v. infusions of ifosfamide/mesna 5 g/m2 plus i.v. doxorubicin 40 mg/m2. Courses were given every 3 weeks up to a maximum of six courses in responding patients. Six patients (37.5%) had either complete (1 patient) or partial responses (5 patients). Confidence limits for this response rate were 15.2%-64.5% (95% confidence level). There was one toxic death in association with encephalopathy, renal and bone marrow failure. Unilateral pneumothoraces occurred in 2 patients with large pulmonary metastases. Recurrent severe ifosfamide/mesna encephalopathy occurred in 2 patients at risk for this complication; patients who develop severe ifosfamide/mesna encephalopathy should not be retreated with this drug. Ifosfamide/mesna with doxorubicin is an active combination to treat adult soft tissue sarcoma but, despite the feasibility of the combination, sequential monotherapy with these drugs might provide similar or better clinical benefit.

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An autopsy case of malignant fibrous histiocytoma of the mediastinum presenting multiple metastases to the small intestine and to the brain

Misonou¹,

Kanda

Shishido

et al. 1990

Gastroenterol Jpn

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An autopsy case of malignant fibrous histiocytoma (MFH) of the mediastinum in a 25-year-old Japanese man is described. He initially complained of general fatigue and intermittent tarry stool, and was radiographically revealed to have a huge mass within the mediastinum as well as multiple nodules within the abdominal cavity, respectively. The mediastinal tumor could not be resected because of direct tumor invasion into surrounding tissues. Within the abdominal cavity, three distinct tumor nodules were discovered in the jejunum, which could be resected surgically. Histopathologically, the components of both lesions were very similar, and the present case was interpreted as multiple metastases of mediastinal MFH to the intestinal wall. In spite of various kinds of treatment, the mediastinal tumor rapidly enlarged, causing SVC syndrome. Brain CT findings suggested multiple metastases which were considered to be the cause of death. Autopsy confirmed that the main tumor nodule was located within the mediastinum, with brain metastases. The present case of mediastinal MFH is considered to be the youngest case as well as the first case presenting intestinal metastases.

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Xanthogranulomatous malignant fibrous histiocytoma arising from posterior mediastinum.

Cited by 5 publications

References 5 publications

Mesenchymal Tumors of the Mediastinum

Mesenchymal Tumors of the Mediastinum

A phase II study of ifosfamide/mesna with doxorubicin for adult soft tissue sarcoma

An autopsy case of malignant fibrous histiocytoma of the mediastinum presenting multiple metastases to the small intestine and to the brain

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