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Accuracy likely greater with 3-D vs 2-D MRI for rotator cuff tear shape characterization
Results from this retrospective review showed 3-D MRI reconstructions were more accurate than current 2-D MRI reconstructions for characterizing the shape of arthroscopically confirmed, full-thickness rotator cuff tears.
Researchers reviewed the MRI studies of 34 patients with full-thickness rotator cuff tears. Operative reports, arthroscopic photographs and postoperative records for each patient were reviewed by two fellowship-trained, sports medicine-trained orthopedic surgeons. In addition, both 2-D and 3-D MRI examinations were reviewed by two musculoskeletal radiologists. Results from 2-D examinations were compared with 3-D results.
Results showed the accuracy in being able to differentiate the crescent-shaped tears from longitudinal tears and massive tears from 2-D MRI for reader1 and reader 2 was 70.6% and 67.7%, respectively. Using 3-D MRI, the accuracy for reader 1 and reader 2 to determine tear shape characterization from crescent and longitudinal U-shaped or L-shaped was 97.1% and 82.4%, respectively. Investigators noted both readers had an overall accuracy of 76.9%, when they further characterized longitudinal tears using 3-D MRI.
The accuracy overall for 3-D MRI was 82.4% and the accuracy overall for 2-D MRI was 64.7%, according to researchers.‒ by Monica Jaramillo
Disclosures: Gyftopoulos reports no relevant financial disclosures. Please see the full study for a list of all other authors’ relevant financial disclosures.