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International Journal of Anatomical Variations

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Polydactyly 24 – a case report

Author(s): Ashutosh Sudhakar Mangalgiri* and Anil Rambhau Sherke

Presence of one or more digit is called as polydactyly. Polydactyly may manifest singly or with other genetic disorders. We report a case of bilaterally symmetrical polydactyly with total 24 fingers, i.e. 6 fingers in each limb. In upper limb an extra digit was on ulnar side and was non-functional. In lower limb an extra digit was functional, having two phalanges, proximal phalanx articulating with an enlarged head of fifth metatarsal. Tendons of extensor digitorum longus, flexor digitorum longus and flexor digitorum brevis bifurcated and got inserted over the fifth and the extra digit. Abductor digiti minimi and flexor digiti minimi brevis were inserted on the lateral side of the extra digit. Every case of polydactyly should be investigated thoroughly for familial transmission and corrective surgical measures should be taken.

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