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Journal of Hand Surgery (British and European Volume)
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Articles

Chromosomal Abnormalities in Dupuytren’s Contracture and Carpal Tunnel Syndrome

A. V. BONNICI
F. BIRJANDI
J. D. SPENCER
S. P. FOX
A. C. BERRY

From the Departments of Orthopaedics and Clinical Genetics, Guy’s Hospital, London

Correspondence: Mr A. V. Bonnici, Department of Orthopaedics, St Thomas’ Hospital, Lambeth Palace Road, London SE1 7EH.

The cytogenetics of cell cultures derived from Dupuytren’s tissue, adjacent palmar fascia and palmar skin from patients undergoing fasciectomy have been examined and the results compared to cell cultures established from palmar fascia, flexor retinaculum and palmar skin of patients undergoing carpal tunnel decompression. Chromosomal abnormalities were detected in cell cultures from Dupuytren’s tissue in eight of the nine patients studied. Clones of cells trisomic for chromosome 8 were found in five of the nine patients. Trisomy 8 was also present in two of five flexor retinaculum cultures from carpal tunnel syndrome cases. These findings in both Dupuytren’s contracture and carpal tunnel syndrome suggest the presence of chromosomal instability in the palmar fascia. The significance of the chromosomal abnormalities is however unclear, but they indicate a possible common pathway in the onset of pathological fibrosis.

Journal of Hand Surgery (British and European Volume), Vol. 17, No. 3, 349-355 (1992)
DOI: 10.1016/0266-7681(92)90128-O
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