Erlenmeyer flask deformity

Case contributed by Dr Khalid Alhusseiny


Right knee pain. No history of trauma.

Patient Data

Age: 50 years
Gender: Female

There is broadening of the distal end of the right femur, as well as the proximal end of the right tibia and fibula with relative narrowing of the visualized parts of their shafts; in keeping with Erlenmeyer flask deformity.

Case Discussion

Erlenmeyer flask deformity is a term used to describe unilateral or bilateral flask-shaped abnormality of the long bones; which is commonly seen at the distal femur.

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Case information

rID: 78654
Published: 9th Jun 2020
Last edited: 12th Jun 2020
Inclusion in quiz mode: Included

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