UWorld Step 1 Qbank: Your world of learning. Subscribe now.

NBME 18 Answers

nbme18/Block 3/Question#34
52 yo woman with breast cancer
Contraction🔍

Login to comment/vote.


 +4  upvote downvote
submitted by lae(6),

the radiation therapy caused fibrosis and the myofibroblasts "contract" during fibrosis, causing the closure of airways and thus atelectasis




Contraction atelectasis occurs when local or generalized fibrotic changes in the lung leads to collapsed alveoli. It can an occur after radiation therapy, necrotizing pneumonia, or granulomatous disease




UWorld Step 1 Qbank: Your world of learning. Subscribe now.