Enchondromatosis (Ollier disease)
5 year old girl referred by her GP with ongoing pain of the right hand and wrist. No history of trauma.
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Multiple metaphyseal, lytic, expansile lesions with narrow transition zones in the metacarpals, proximal and middle phalanges of the middle, ring and little fingers of the right hand, and the little finger of the left hand.
Large similar lesion in the distal right ulna.
May be a cause of pain especially during a growth period.
Lesions are benign, however affected bones have a higher risk of fractures. Also there is increased risk of developing chondrosarcoma later in life.
Differential diagnosis includes: