Abstract
The aetiology of pelvic protrusion of the femoral head is discussed and the process classified. We provide a protocol for the management of protrusio acetabuli.
The abstracts were prepared by Professor M. B. E. Sweet. Correspondence should be addressed to him at The Department of Orthopaedic Surgery, Medical School, University of Witwatersrand, 7 York Road, Parktown, Johannesburg, 2193 South Africa