Blount disease and Perthes disease

Case contributed by Dr Jeremy Jones



Patient Data

Age: 11 year
Gender: Male

There is clear abnormality at the left knee with genu varum and abnormality of the medial portion of the proximal tibial metaphysis. Features are consistent with Blount's disease.

In addition, there is sclerosis and fragmentation of the proximal femoral epiphysis consistent with longstanding Perthe's.


Blount's with lateral 8-plate fixation and epiphysiodesis of the proximal tibial physis. Longstanding right Perthe's.

Case Discussion

Two eponymous conditions in one radiograph. Left Blount's and right Perthes.

PlayAdd to Share

Case information

rID: 23968
Case created: 21st Jul 2013
Last edited: 14th Oct 2015
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.