Diaphyseal aclasis

Case contributed by Mohammadtaghi Niknejad
Diagnosis certain

Presentation

Work up of knee deformity and pain.

Patient Data

Age: 50 years
Gender: Female
x-ray

Multiple bony outgrowths are seen around the knee joints, away from the joints.

Case Discussion

Features are consistent with hereditary multiple exostoses, also known as diaphyseal aclasis, an autosomal dominant condition characterized by the development of multiple osteochondromas.

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