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2011 — July Case of the Month

Posted July 26, 2011

CLINICAL SUMMARY: Ileum  

CAP Foundation July 2011 Online Case of the Month

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A mass in the ileum was noticed during surgery in a 60-year-old man undergoing appendectomy. Segmental bowel resection was performed which showed a 5.6 cm intramural mass. Sectioning revealed a circumscribed tumor without hemorrhage or necrosis. Immunohistochemistry showed that the tumor cells were Kit (CD117) (+), smooth muscle actin (+) and S100 (-).

The master list with the correct answer

  • Gastrointestinal stromal tumor
  • Leiomyoma
  • Mesenteric fibromatosis
  • Schwannoma

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  • Appropriate diagnosis
  • Critique
  • References


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