Crescent sign of femoral avascular necrosis

Case contributed by Dr M Osama Yonso


Pain in the medial aspect of the right femur after 3 weeks of slipping in the bathroom.

Patient Data

Age: 30 years
Gender: Female

Subchondral lucency seen at proximal right femoral head

Case Discussion

The crescent sign of AVN is seen on conventional radiographs and refers to a subchondral lucency seen most frequencly anterolateral aspect of the proximal femoral head.

PlayAdd to Share

Case information

rID: 24553
Published: 25th Aug 2013
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

Updating… Please wait.

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.