Fifth finger pathological fracture - enchondroma

Case contributed by Henry Knipe
Diagnosis almost certain

Presentation

Finger pain, sudden onset while driving car.

Patient Data

Age: 30 years
Gender: Male

Transverse extra-articular fracture with a mild displacement/angulation through the 5th distal phalanx shaft occurring through a central 5 mm long expansile lesion with ground glass matrix. No cortical destruction, calcified periosteal reaction. Associated soft tissue swelling. No further fracture or focal osseous lesion is identified.

Case Discussion

Typical presentation of low-energy trauma resulting in a pathological fracture. The underlying lesion is most likely an enchondroma. 

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