ACUTE OSTEOMYELITIS remains a common disease of infants and children. It most commonly involves the femur, tibia, fibula, and humerus.1,2 Unusual sites of bony involvement are often difficult to diagnose.
Primary osteomyelitis of the patella is a rare cause of inflammation of the knee. The purpose of this report is to describe two cases of osteomyelitis of the patella without antecedent trauma or penetrating injury.
Report of Cases
Case 1.—An 11-year-old Negro boy was admitted to Jackson Memorial Hospital on June 19, 1966, with pain and tenderness of the right knee.The patient had been healthy until three days prior to admission when he developed soreness and limitation of motion of the right knee. The pain gradually intensified and the boy voluntarily remained in bed. He complained of feeling warm during this period, but the temperature was not recorded. No history of recent trauma, involvement of other joints, rash,