Enchondroma - 5th finger
Swelling of the right-hand fifth finger.
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Within the shaft and base of distal phalanx of the fifth digit, there is a 7 x 10 mm well defined expanding non-aggressive lesion without evidence cortical destruction, periosteal bone formation and involvement of adjacent soft tissue.
There is no involvement of the distal interphalangeal joint.
Enchondroma is a benign cartilaginous neoplasm in the medullary cavity. Most enchondromas are
asymptomatic but may present as pathological fractures. Peak age is 10-30 years.