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| | THE MERCK MANUAL, Sec. 5, Ch. 59, Nonarticular Rheumatism |
 | | Tendinitis may also be related to systemic diseases (most commonly RA, systemic sclerosis, gout, Reiter's syndrome, diabetes, and, rarely, amyloidosis) or markedly elevated blood cholesterol levels (type II hyperlipoproteinemia). |
 | | The most common sites affected in tendinitis and tenosynovitis are the shoulder capsule and associated tendons (rotator cuff), flexor carpi radialis or ulnaris, flexor digitorum, hip capsule and associated tendons, hamstrings, and Achilles tendons, as well as the abductor pollicis longus and extensor pollicis brevis, which share a common fibrous sheath (de Quervain's disease). |
 | | Bicipital tendinitis results from inflammation of the tendon sheath surrounding the long head of the biceps, which originates on the supraglenoid tubercle and extends through the articular capsule of the shoulder joint along the bicipital groove of the humerus to insert on the radius. |
| www.merck.com /pubs/mmanual/section5/chapter59/59d.htm (780 words) |
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