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SCAPHOID BONE BRUISING – PROBABLY NOT THE PRECURSOR OF ASYMPTOMATIC NON-UNION OF THE SCAPHOIDFrom the Department of Orthopaedics, Cheltenham General Hospital, the Department of Orthopaedics, Bristol Royal Infirmary and the Department of Radiology, Cheltenham General Hospital, UK Correspondence: Miss Nina La Hei, Gloucestershire Royal Hospital, Gloucester, UK. Tel.: +44 1453 757 978; fax: +44 8454 225 643. E-mail:ianina{at}doctors.org.uk The MRI finding of bone marrow oedema, without fracture, following trauma to the scaphoid has been called a bone bruise. A similar injury is found in the knee, considered benign and managed conservatively. In the scaphoid, there is the concern that this lesion may lead to scaphoid non-union. This study addresses that concern. The clinical and radiological findings of 41 patients with a scaphoid bone bruise on MRI are described, an MRI classification system proposed and clinical outcomes investigated. Patients were immobilised for 6 weeks. At 3 months, 8 remained symptomatic and had repeat MRI. Four of these showed complete resolution of the bruise, the others improvement. At 6 months, 2 of the 8 complained of minor, intermittent discomfort but progressed to resolution of symptoms. This study suggests that the scaphoid bone bruise is a benign injury with predictable recovery and is unlikely to result in long-term morbidity in the form of non-union.
Key Words: scaphoid bone bruise magnetic resonance imaging marrow oedema scaphoid non-union
Journal of Hand Surgery (European Volume), Vol. 32, No. 3,
337-340 (2007) |
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