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KMID : 0371319960510010137
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Journal of the Korean Surgical Society
1996 Volume.51 No. 1 p.137 ~ p.144
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Malignant Schwannoma of the Small Intestine -Two cases report-
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Kim Tai-Gyu
Ko Kwang-Kjune
Rhyu Mun-Gan
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Abstract
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Schwannomas are rare tumor so they are derived from the Schwann cells which cover the peripheral nerves. Most of them are benign, but malignant schwannomas occasionally occur in the lower limbs, head, neck, thorax and paravertebral regions. But
primary
malignant schwannoma of the small intestine is an extremely rare disease. Because there are no specific symptoms, laboratory or radiologic findings, the majority are diagnosed postoperatively. It must be distinguished from malignant smooth muscle
tumors
and soft tissue sarcomas such as fibrosarcoma and leiomyosarcoma using immunohistochemical stain (S-100 protein peroxidase reaction) or electron microscopy. Primary treatment is surgical and closed observation is recommanded because of the
tendency
of
recurrence.
Only a few cases of malignant schwannoma of the small intestine have been reported. Herein, we present two cases.
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KEYWORD
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