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  • Title: [Rotator cuff lesions: evaluation with RM and US].
    Author: Leoni A, Cerofolini E, Bertolani M, Spina V, Calandra Buonaura P, Romagnoli R.
    Journal: Radiol Med; 1989 Sep; 78(3):158-65. PubMed ID: 2678284.
    Abstract:
    Physical and instrumental examination of the patients with an "aching shoulder" is often difficult and a positive out-come of surgical treatment may be impaired by the late diagnosis of long-standing rotator cuff lesions causing tendon adhesions and muscle atrophy. The authors report the results obtained in 25 selected patients with an aching shoulder examined with arthrography, real-time ultrasound (US) with a 5 MHz linear probe, and high-field (1.5 T) Magnetic Resonance (MR) imaging. Arthrography was able to demonstrate a cuff tear in 14/25 cases; US detected signs of tear in 14/25 (1 false negative); MR imaging showed a cuff lesion in 16/25 patients, and in one case allowed a partial cuff tear to be demonstrated, which had not been visualized with arthrography. MR imaging could also demonstrate other signs of periarticular pathologies (tendinitis, longhead of biceps inflammation, and bursitis) that may represent the early stages of the inflammatory-degenerative process underlying most of cuff lesions. The high diagnostic accuracy of US (95%) is stressed in the detection of cuff tears, in patients with an aching shoulder; as for questionable cases at US, MR imaging is indicated as a valid alternative to arthrography, which is more invasive and less accepted by the patients.
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