Duplicated Thumb and Secondary Deformity
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Duplicated thumb is a common, often sporadic, congenital anomaly that must be addressed surgically early in life. Classification, operation timing, and methods of anesthesia of the initial surgery are determined by not only simple radiograph but also by ultrasonography and MRI. Ideally, the surgeon seeks to accomplish three goals: construction of a thumb that is adequate in size, preservation of pinch function, and reconstruction of all components in one procedure. The author discusses the various classification systems, procedures, and outcomes after primary surgery for duplicated thumbs as well as secondary correction of the previously reconstructed duplicated thumbs.
KeywordsDuplicated thumb Secondary correction MRI
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