Ossifying intramuscular metastasis from colon cancer: report of a case.

Yoshikawa, H; Kameyama, M; Ueda, T; Kudawara, I; Nakanishi, K · Dis Colon Rectum · 1999

case_report · Level V

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Abstract

This report presents a patient who developed severe buttock pain because of an ossified intramuscular metastasis from a sigmoid colon cancer. This is a case report and review of the literature for intramuscular metastasis from colon cancer. Computed tomography and magnetic resonance imaging showed a soft-tissue mass with heavy calcification. Histologically, mature compact bone was observed with adenocarcinoma cells dispersed among the bony trabeculae. When an intramuscular mass is seen, even if it contains extensive calcification, metastasis from colon cancer should be included in differential diagnosis.

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