Crisis in Gaucher disease simulating osteomyelitis: report of one case.

An 11-year-old boy with Gaucher disease developed acute bone pain of the left thigh, accompanied by fever and signs of inflammation. Initially he was treated as osteomyelitis with antibiotics. Cultures of blood and aspirate of a subperiosteal hematoma were negative for bacterial growth. Tc99m bone scan revealed relatively decreased uptake over the involved area, and the findings of magnetic resonance imaging were typical for Gaucher crisis. Although Ga 67 imaging was positive, the diagnosis of a bone pain crisis rather than an infection was made. Antibiotics were discontinued without sequelae. Differential diagnosis between Gaucher crisis and osteomyelitis is discussed.