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Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_15 | Pages 71 - 71
1 Dec 2015
Krzysztofiak A Boccuzzi E Bellelli E Bozzola E Marchesi A Cirillo M Toniolo R Villani A
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In acute haematogenous multifocal osteomyelitis, infectious foci occur in several bones simultaneously due to haematogenous bacterial spread.

Acute haematogenous multifocal osteomyelitis should be distinguished from chronic recurrent multifocal osteomyelitis (CRMO).

We reviewed the medical records of three male adolescents of 15 years (range 13–16 years) with acute multifocal haematogenous osteomyelitis. All patients were athletes (soccer player, water polo player, practicing rowing).

The mean duration of painful symptoms before seeking medical attention was 3 days. Osteomyelitis was confirmed by magnetic resonance imaging (MRI) and bone three phase scintigraphy. The lesions were at level of spine plus left femur in the first case, bilateral tibia and lumbosacral column in the second one, right foot plus left femur were interested in the third case. Two of the patients exhibited a spinal osteomyelitis, which is described as a common spinal affection in athletes.

Blood cultures (in all patients) and culture of abscess drainage (in one case) were positive for Staphylococcus aureus (MSSA). Inflammatory indices were increased in all patients (mean values: WBC 15.130/mmc, CRP 19 mg/dl, and ESR 63,6 mm/h).

Intravenous antibiotic therapy was prescribed for 19 days (range 13–33 days), followed by oral antibiotic therapy for a median of 18 days. After a median of 11 days, all patients clinically improved with resolution of fever and reduction of pain. Patients were discharged with oral antibiotic therapy after a median of 22 days hospitalization, and underwent a 16 months follow up. No patient reported sequelae.

Differential diagnosis among multifocal acute osteomyelitis, septic arthritis, CRMO, juvenile idiopathic arthritis and/or reactive arthritis may be difficult.

Previous studies reported that athletes are more at risk for osteomyelitis, but, to our knowledge, no case series of acute haematogenous multifocal infectious have been reported in competitive athletes. Staphylococcal outbreaks have been reported in sport players, as position, artificial grass abrasion, and body shaving are the main portal of bacterial entry.

In conclusion, a diagnosis of acute multifocal osteomyelitis must be considered in a patient with fever and pain of several bones. A prompt hospitalization and an appropriate therapy reduce the morbidities and can help to avoid surgery.