Enchondroma - 5th finger

Case contributed by Dr Bahman Rasuli


Right-hand small finger pain and swelling.

Patient Data

Age: 30 years

There is an 8 x 10 mm intramedullary fluid-like signal intensity lesion that involves 5th finger middle phalanx.

The lesion is well-circumscribed by overlying bony cortex and predominantly involves the diaphysis with extension to the phalanx base and epiphysis proximally.

Synovial cyst measuring about 3 x 5 mm originated from the sheath of the 5th finger extensor digitorum tendon central slip at the levels of proximal phalanx head and the interphalangeal joint is seen.

Case Discussion

Regarding the imaging findings, 5th finger middle phalanx enchondroma of the right hand is the main differential diagnosis. 

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Case information

rID: 65422
Published: 16th Jan 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Jame Jam Imaging Center

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