Bronchiolitis obliterans with organizing pneumonia (BOOP), presenting as a ring-shaped opacity at HRCT (the atoll sign). A case report

Radiol Med. 1999 Apr;97(4):308-10.
No abstract available

Publication types

  • Case Reports

MeSH terms

  • Cryptogenic Organizing Pneumonia / diagnostic imaging*
  • Humans
  • Male
  • Middle Aged
  • Tomography, X-Ray Computed*