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Are occult fractures of the hip and pelvic ring mutually exclusive?

Lookup NU author(s): Dr Amar Sharma


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We have evaluated retrospectively the relationship of bony injuries seen on 106 consecutive MR scans in elderly patients of a mean age of 81.4 years (67 to 101) who were unable to bear weight after a low-energy injury. There were no visible fractures on plain radiographs of the hip but eight patients (7.5%) had fractures of the pubic ramus. In 43 patients (40.5%) MRI revealed a fracture of the femoral neck and in 26 (24.5%) there was a fracture of a pubic ramus. In 17 patients (16%) MRI showed an occult sacral fracture and all of these had a fracture of the pubic ramus. No patient with a fracture of the femoral neck had an associated fracture of the pelvic ring or vice versa. Occult fracture of the hip and of the pelvic ring appear to be mutually exclusive and if an acute fracture of the pubic ramus is diagnosed radiologically further investigations are not needed to rule out an occult fracture of the hip.

Publication metadata

Author(s): Lakshmanan P, Sharma A, Lyons K, Peehal JP

Publication type: Article

Publication status: Published

Journal: Journal of Bone and Joint Surgery: British Volume

Year: 2007

Volume: 89B

Issue: 10

Pages: 1344-1346

ISSN (print): 0301-620X

ISSN (electronic): 0968-7300

Publisher: British Editorial Society of Bone and Joint Surgery


DOI: 10.1302/0301-620X.89B10.19539


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