Abstract
Giant Cell Tumour is a common benign tumour of bone accounting for 3 to 5% of all primary bone tumour. It commonly affects in second decade of life between 18 years to 40 years. Distal ulna is less commonly affected site with reported incidence varying from 0.45% to 3.2%. The current available literature is non-conclusive regarding treatment protocol of distal ulna giant cell tumour and whether stabilization procedure of ulna is required or not after excision of distal ulna to avoid the symptoms of ulnar impingement syndrome. We are reporting a case of right distal ulna Giant cell tumour in 51 year old right hand dominant female patient who presented to us with persistent pain and restricted wrist movements. We performed a wide excision of tumour with dynamic stabilization of distal ulnar stump using extensor carpi ulnaris split tendon graft. We have 2 year follow up of the patient with no recurrence and a good functional outcome having a Mayo wrist score of 80.
Highlights
Giant Cell Tumour is a common benign tumour of bone accounting for 3 to 5% of all primary bone tumour
Intralesional curettage is preferred in Enneking stage 1 and stage 2 Giant cell tumour but has high recurrence rate up to 17% as cited in various articles
Some reports have advocated stabilization of distal ulna stump using bone graft augmentation to soft tissue reconstruction. [3,4] Benefits of stabilization procedure have been discussed as better grip strength and improve wrist range of motion and forearm pronation and supination due to avoidance of radio-ulnar convergence
Summary
Giant Cell Tumour is a common benign tumour of bone accounting for 3 to 5% of all primary bone tumour. The distal femur and proximal tibia are most common sites of giant cell tumour comprising 60% of cases. Distal ulna is less commonly affected site with reported incidence varying from 0.45% to 3.2%.
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