Chronic recurrent multifocal osteomyelitis (CRMO) - clavicle

Case contributed by Dr Vitalii Rogalskyi

Presentation

Painful left clavicle swelling. No fever

Patient Data

Age: 15 years
Gender: Female

Expansile lesion of the medial part of left clavicle with a solid periosteal reaction. Some erosions of the left sternoclavicular joint. 

Curved planar reformation

CT

Curved planar reformation perfectly demonstrates expansile lesion of left clavicle compared to opposite one.

Case Discussion

Chronic recurrent multifocal osteomyelitis (CRMO) is an idiopathic inflammatory bone disorder seen primarily in children and adolescents. Clavicle involvement is a characteristic finding since this is an uncommon location for hematogenous osteomyelitis. 

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