Fine needle aspiration cytology of an unusual presentation of leukemia. A case report

A 17-year-old active sportsman presented three weeks after a football injury with pain in the right hip and back. Osteomyelitis was the initial clinical diagnosis. A full blood count and erythrocyte sedimentation rate were normal. Fine needle aspiration of the anterior inferior iliac spine showed the presence of numerous blasts. This case represents an unusual presentation and method of diagnosis of acute leukemia.