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Overview
Syndactyly is the abnormal development of the hand, such that the fingers are fused. The number of digits fused and whether or not the bones and nails of the fingers are fused is variable. Surgical repair is indicated in cases in which functional ability or cosmetic appearance is impaired.
Review Date 9/20/2022
Updated by: C. Benjamin Ma, MD, Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery, San Francisco, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.