Hypersensitivity pneumonitis: Patterns on high-resolution CT

Rita A. Patel, Dorra Sellami, Michael B. Gotway, Jeffrey A. Golden, W. Richard Webb

Research output: Contribution to journalArticle

60 Scopus citations

Abstract

Hypersensitivity pneumonitis, also known as extrinsic allergic alveolitis, is caused by inhalation of specific environmental organic antigens. This disease may have typical high-resolution CT findings that, in the appropriate clinical setting, can be sufficiently characteristic to allow a confident diagnosis without the need for a lung biopsy. In this pictorial essay, the high-resolution CT patterns of hypersensitivity pneumonitis are illustrated. The authors emphasize the correlation among the radiologic presentation, functional abnormalities, and pathologic findings.

Original languageEnglish (US)
Pages (from-to)965-970
Number of pages6
JournalJournal of computer assisted tomography
Volume24
Issue number6
DOIs
StatePublished - Dec 1 2000

Keywords

  • Centrilobular nodules
  • Extrinsic allergic alveolitis
  • Headcheese sign
  • High-resolution CT
  • Hypersensitivity pneumonitis

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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