The Journal of trauma · 1998
Fractures of the greater tuberosity presenting as rotator cuff abnormality: magnetic resonance demonstration.
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Reinus W R, Hatem S F
Аннотация
BACKGROUND: To show that magnetic resonance imaging (MRI) can be useful to diagnose radiographically invisible greater tuberosity fractures in patients with clinical presentations suspicious for rotator cuff injury.
METHODS: Six patients with subtle greater tuberosity fractures who were sent for MRI because of possible rotator cuff tear are reviewed (age range, 27-51 years; mean, 40.5 +/- 8.4 years). Five of the patients recount direct trauma to their shoulders, whereas one noticed shoulder pain after a fall in which she fractured her ankle.
RESULTS: MRI showed an area of edema confined to the greater tuberosity with linear low signal extending through the tuberosity consistent with a fracture in all cases. Although five patients had a complete set of shoulder radiographs before MRI, these were interpreted as normal in all cases. Full-thickness rotator cuff tears were not present in any of the cases. All of the patients were treated conservatively with good results.
CONCLUSIONS: MRI can prevent unnecessary arthroscopy in patients clinically suspected of rotator cuff damage by showing subtle fractures of the greater tuberosity not visible on radiographs.
METHODS: Six patients with subtle greater tuberosity fractures who were sent for MRI because of possible rotator cuff tear are reviewed (age range, 27-51 years; mean, 40.5 +/- 8.4 years). Five of the patients recount direct trauma to their shoulders, whereas one noticed shoulder pain after a fall in which she fractured her ankle.
RESULTS: MRI showed an area of edema confined to the greater tuberosity with linear low signal extending through the tuberosity consistent with a fracture in all cases. Although five patients had a complete set of shoulder radiographs before MRI, these were interpreted as normal in all cases. Full-thickness rotator cuff tears were not present in any of the cases. All of the patients were treated conservatively with good results.
CONCLUSIONS: MRI can prevent unnecessary arthroscopy in patients clinically suspected of rotator cuff damage by showing subtle fractures of the greater tuberosity not visible on radiographs.