tailieunhanh - Báo cáo y học: " Vaughan-Jackson-like syndrome as an unusual presentation of Kienböck’s disease: a case report"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Vaughan-Jackson-like syndrome as an unusual presentation of Kienböck’s disease: a case report. | Mazhar and Rambani Journal of Medical Case Reports 2011 5 325 http content 5 1 325 JOURNAL OF MEDICAL CASE REPORTS CASE REPORT Open Access Vaughan-Jackson-like syndrome as an unusual presentation of Kienbock s disease a case report Tooba Mazhar and Rohit Rambani Abstract Introduction Kienbock s disease is a condition of osteonecrosis of the lunate bone in the hand and most patients present with a painful and sometimes swollen wrist with a limited range of motion in the affected wrist. Vaughan-Jackson syndrome is characterized by the disruption of the digital extensor tendons beginning on the ulnar side with the extensor digiti minimi and extensor digitorum communis tendon of the small finger. It is most commonly associated with rheumatoid arthritis. We describe a case of a patient with an unusual presentation of Kienbock s disease with symptoms similar to those of Vaughan-Jackson syndrome. Case presentation A 40-year-old man of Indian ethnic origin with no known history of trauma presented to our clinic with a ten-day history of an inability to extend his right little and ring fingers with associated pain in his right wrist. He was being treated with long-term steroids but had no other significant medical history. His examination revealed an inability to extend the metacarpal and phalangeal joints of the right ring and little fingers with localized tenderness over the lunate bone. Spontaneous disruption of the extensor tendons was diagnosed clinically and after radiological investigation was confirmed to be secondary to dorsal extrusion of the fragmented lunate bone. The patient underwent surgical repair of the tendons and had a full recovery afterward. Conclusion Kienbock s disease though rare is an important cause of spontaneous extensor tendon rupture. The original description of Vaughan-Jackson syndrome was of rupture of the extensor tendons of the little and ring fingers caused by attrition at an arthritic inferior radioulnar joint.

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