Post-osteomyelitic-acquired radial club hand deformity in children treated by centralization of ulna.

INTRODUCTION: Radial club hand deformity acquired post haematogenous osteomyelitis of radius bone is a very rare disease. Resulting in functional and cosmetic deficit of upper limb which is similar to congenital cases. For a long-time various surgeons attempted to reconstruct the deformity by bone grafting, plating, Ilizarov, monorail external fixator, callus distraction and so on. Keeping in mind that creating single bone forearm we proposed centralization of ulna on wrist to correct the deformity.

MATERIALS AND METHODS: In our institute, we conducted a rare study involving small number of patients ( n = 5), between February 2013 and November 2106. The study participants comprised four male children and one female child whose average age was 1.8 months. Participant inclusion criteria were no active infection, no distal end of radius (cartilage remnant) and only haematogenous osteomyelitis. Exclusion criteria were congenital radial club hand and active infection.

RESULT: Decrease in the angle of radial deviation (radiologically) preoperatively from 54° to 5° and angle of volar flexion from 34° to 4° were measured. Preoperatively no ulnar angulations were observed. Length of ulna remains similar to the opposite side. No neurovascular complication noted and full range of movement regained.

DISCUSSION: Our case series is unique in terms of massive bone loss, that is, distal metaphysic and epiphysis, so we followed the statement of Ono et al. and did centralization of ulna over carpus and achieved good functional and cosmetic outcome at the cost of loss of motion at the wrist, concluding that treatment is primarily considered as salvage only.