Blount disease

Case contributed by Ammar Haouimi
Diagnosis almost certain


Leg bowing.

Patient Data

Age: 4 years
Gender: Female

The frontal view of the knees demonstrate:

  • bilateral tibia vara
  • decreased thickness with flattening of the medial tibial epiphyses
  • depressed medial tibial metaphyses with a beak-shape appearance
  • compensatory hypertrophy of the medial femoral condyles
  • the metaphyseal-diaphyseal angle of Drennan was at 22º on the right and 23º on the left

Case Discussion

Radiographic features of Blount disease.

Blount disease is commonly bilateral and characterized by a local disturbance of growth of the medial aspect of the proximal tibial metaphysis and/or epiphysis that results in tibia vara. 

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

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

 Thank you for updating your details.