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Multimodality Diagnosis of Mesenteric Ischemia
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Distant melanoma causing small bowel obstruction.

Justin M Hintze1, Donal B O'Connor1,2, Peter Molony3

  • 1Department of Surgery, AMNCH, Tallaght Hospital, Dublin 24, Ireland.

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|May 2, 2017
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Summary
This summary is machine-generated.

Small bowel obstruction (SBO) can be caused by metastasis from melanoma. This rare complication requires surgical intervention for diagnosis and treatment.

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Area of Science:

  • Gastroenterology
  • Surgical Oncology

Background:

  • Small bowel obstructions (SBOs) are common, with adhesions being the primary cause.
  • Malignancies and abdominal herniae are less frequent causes of SBO.

Observation:

  • A 71-year-old female with a history of resected cutaneous melanoma presented with symptoms of SBO.
  • CT imaging revealed small bowel intussusception and disseminated mucosal lesions.
  • Surgical exploration identified and reduced six areas of intussusception, with biopsies confirming metastatic melanoma.

Findings:

  • Metastatic melanoma to the gastrointestinal tract (GIT) is rare, typically presenting as a complication of cutaneous melanoma.
  • Gastrointestinal melanoma often remains asymptomatic until complications like obstruction arise.
  • Surgical intervention is the primary management for SBO caused by metastatic melanoma.

Implications:

  • Consider metastatic malignancy, particularly melanoma, in patients presenting with SBO without a history of surgery or hernia.
  • Early diagnosis and surgical management are crucial for patients with gastrointestinal melanoma complications.
  • This case highlights the importance of considering rare causes of SBO in the context of prior malignancy.