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Bilateral avascular necrosis of the humeral trochleae after chemotherapy

Department of Orthopaedic Surgery, Changhi General Hospital, 2 Simei street 3, Singapore 529889.

S. N. Bell, FRACS, Senior Consultant

The Musculoskeletal Program, Monash Medical Centre, Monash University, 246 Clayton Road, Clayton 3168, Victoria, Australia.

Correspondence should be sent to Mr S. N. Bell at 31 Normanby Street, Brighton 3186, Victoria, Australia.

We describe a patient who developed avascular necrosis of both humeral trochleae after combination chemotherapy for acute lymphoblastic leukaemia. This presented as progressive stiffness of both elbows with little pain. Radiography and MRI confirmed the presence of avascular necrosis at both sites. This region corresponds to a watershed between the medial and lateral vascular arcades which supply the distal humerus and may explain the susceptibility of this bony region to avascular necrosis. Treatment involved capsulectomy of the elbow and removal of osteophytes giving a good functional outcome on both sides.

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