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Related Experiment Videos

Colorectal hemangioma: radiologic findings.

A H Dachman1, P R Ros, K M Shekitka

  • 1Department of Radiology and Nuclear Medicine Uniformed Services University of the Health Sciences, F. Hebert School of Medicine, Bethesda, MD 20814-4799.

Radiology
|April 1, 1988
PubMed
Summary

Colorectal hemangioma diagnosis can be challenging. Radiographic findings like phleboliths and rigid narrowing, though atypical, can help differentiate hemangioma from cancer, especially with chronic rectal bleeding.

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Area of Science:

  • Gastroenterology
  • Radiology
  • Pathology

Background:

  • Colorectal hemangioma is a rare vascular malformation.
  • Rectal bleeding is the most common clinical presentation.
  • Diagnostic challenges exist due to atypical radiographic features.

Purpose of the Study:

  • To correlate radiographic findings with clinical and histologic data in patients with colorectal hemangioma.
  • To identify specific radiographic features that aid in the diagnosis of colorectal hemangioma.
  • To differentiate colorectal hemangioma from colorectal carcinoma based on imaging.

Main Methods:

  • Retrospective review of 12 patients diagnosed with colorectal hemangioma.
  • Correlation of radiographic findings (radiographs, barium studies) with clinical data (rectal bleeding) and histologic findings.

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  • Analysis of specific features such as phleboliths and luminal narrowing.

    • Main Results:

    • All 12 patients presented with rectal bleeding; seven had chronic bleeding.
    • Phleboliths were observed in seven cases and correlated with chronic bleeding in five.
    • Atypical features like rigid luminal narrowing and hypovascularity were associated with chronic bleeding or phleboliths, suggesting hemangioma.

    Conclusions:

    • Radiographic findings, including phleboliths and rigid luminal narrowing, are crucial for diagnosing colorectal hemangioma.
    • Atypical features on barium studies can mimic colorectal carcinoma but, when present with phleboliths or chronic bleeding, support a hemangioma diagnosis.
    • Accurate interpretation of imaging is essential to avoid misdiagnosis and ensure appropriate patient management.