emphysema vs cyst on CT imaging


  • emphysema: vessels transverse
  • cyst: vessels go around

(A) Centrilobular emphysema—note the lack of a true cyst wall and the presence of the centrilobular artery (arrowhead) within the cystic region.1

Footnotes

  1. Murray and Nadel Ch 97 Lymphangioleiomyomatosis