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Colorectal lymphangioma.

Kevin L Huguet1, Philip P Metzger, David M Menke

  • 1Department of Surgery, Mayo Clinic, Jacksonville, Florida 32224, USA.

The American Surgeon
|April 19, 2007
PubMed
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Colon lymphangiomas, rare benign tumors, are increasingly detected via colonoscopy. This case highlights a 3x4-cm cecal lymphangioma diagnosed after imaging and hemicolectomy, emphasizing surgical intervention for larger lesions.

Area of Science:

  • Gastroenterology
  • Surgical Pathology

Background:

  • Lymphangiomas of the colon are rare benign neoplasms, with limited reported cases historically.
  • Increased detection rates are observed due to the widespread adoption of colonoscopy for gastrointestinal evaluations.

Observation:

  • A 74-year-old female presented with a 3 x 4-cm submucosal lesion in the cecum, identified during colonoscopy.
  • Abdominal CT revealed a cecal soft-tissue mass and a hepatic lesion; endoscopic ultrasound showed a hypoechoic submucosal mass with internal septa.

Findings:

  • Pathologic examination following a right hemicolectomy confirmed the diagnosis of a submucosal lymphangioma.
  • The lesion's appearance on endoscopic ultrasound mimicked a vascular malformation, precluding biopsy at initial examination.

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Implications:

  • Colonoscopic intervention is effective for lymphangiomas smaller than 2.5 cm.
  • Surgical resection is indicated for larger colonic lymphangiomas or those associated with protein-losing enteropathy.