Abstract

Pathological changes of the tendon of the long head of the biceps (LHB) are very frequent in the disorders of the rotator cuff: the incidence of tendonitis varies from 60% in athletes practicing overhead sports to 100% in patients with massive rotator cuff tears. Instability (subluxation and dislocation) of the LHB ranges from 16% to 20% while tears occur in 5%. Clinical diagnosis of the LHB lesions is simple in tendonitis and tears but difficult in presence of instability and SLAP lesion. There are no specific tests for SLAP and instability of the LHB, but clinical symptoms are those of rotator cuff tear. Imaging diagnosis is effective in tendonitis, tear, SLAP and intra-articular dislocation, but not in subluxation and extraarticular dislocation.

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