The deep sulcus sign

Radiology. 1980 Jul;136(1):25-7. doi: 10.1148/radiology.136.1.7384513.


On a supine chest radiograph, the only sign of pneumothorax may be a deep lateral costophrenic angle on the involved side. Seven cases where this finding was present are reviewed and the importance of this sign to radiologists and clinicians is stressed.

MeSH terms

  • Adolescent
  • Adult
  • Female
  • Humans
  • Male
  • Middle Aged
  • Pleura / diagnostic imaging
  • Pneumothorax / diagnostic imaging*
  • Radiography