| Summary: | 【Abstract】 Avascular necrosis of the femoral head
is a known complication of femoral neck fracture but on the
contrary, femoral neck fracture in a case of preexisting avas-cular necrosis is a very rare phenomenon. We present a
case study of a 47 year old Iraqi male who developed spon-taneous ipsilateral subcapital femoral neck fracture under
the condition of preexisting sickle cell disease and avascu-lar necrosis of the femoral head. The fracture was unnoticed
for a few months. The patient was managed successfully by
uncemented total hip arthroplasty. Postoperative recovery
was uneventful and he was discharged 4 days after surgery.
At 1 year’s follow-up, the patient had normal gait and hip
function, with no sign of loosening or any other complica-tions on radiograph.
Key words: Femur head necrosis; Femoral neck
fractures; Anemia, sickle cell
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