The CT halo sign: A new finding in intestinal lymphangiectasia

Raymonda L. Stevens, Bronwyn Jones, Elliot K. Fishman

Research output: Contribution to journalArticlepeer-review

Abstract

A 'halo sign' has been described in patients with Crohn disease, ulcerative colitis, radiation enteritis, ischemic colitis, and pseudomembranous colitis. This sign is characterized by an inner ring of low CT attenuation surrounded by a higher attenuation outer ring. We present a patient with primary intestinal lymphangiectasia in whom CT demonstrated a halo sign correlated with mucosal biopsy.

Original languageEnglish (US)
Pages (from-to)1005-1007
Number of pages3
JournalJournal of computer assisted tomography
Volume21
Issue number6
DOIs
StatePublished - Dec 1 1997

Keywords

  • Computed tomography
  • Gastrointestinal tract, diseases
  • Lymphangiectasia

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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