A number of potentially serious congenital cardiac defects are associated with polydactyly. Of these, the best-known is that of Holt-Oram (Sanz 1973; Poznanski et al 1971, 1973) because of its surgical implications, described by Rainer (1972). Familial association has been reported by Yujnovsky (1974) with Polydactyly in three generations. It is the purpose of this report to record a case of accessory thumb and pectus excavatum in an otherwise healthy young woman of normal karyotype who asked that the extra thumb be removed for cosmetic reasons.
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