Unusual Presentation of Familial Unilateral Postaxial Polydactyly With Metacarpal Delta Phalanx: A Report of a Rare Case

The term "delta phalanx" is proposed to characterize an uncommon deformity that typically affects the middle phalanx of a finger. It has the appearance of the Greek capital letter delta, meaning it is shaped like a triangle. Because the faulty epiphysis occurs proximally to distally instea...

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Veröffentlicht in:Curēus (Palo Alto, CA) CA), 2023-11, Vol.15 (11)
Hauptverfasser: Alelyani, Rakan H, Moazin, Othillah M, Alazzmi, Hana A, Alfadhel, Emad A, Alobaidi, Hussain, Alaqil, Sultan, Bhat, Tanveer A, Nawwab, Eyad, Mirza, Mohammed Y
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container_title Curēus (Palo Alto, CA)
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creator Alelyani, Rakan H
Moazin, Othillah M
Alazzmi, Hana A
Alfadhel, Emad A
Alobaidi, Hussain
Alaqil, Sultan
Bhat, Tanveer A
Nawwab, Eyad
Mirza, Mohammed Y
description The term "delta phalanx" is proposed to characterize an uncommon deformity that typically affects the middle phalanx of a finger. It has the appearance of the Greek capital letter delta, meaning it is shaped like a triangle. Because the faulty epiphysis occurs proximally to distally instead of along its usual horizontal course, the bone has a semilunar shape. Functional impairment or significant finger shortening are indications for surgery. A variety of congenital hand anomalies are linked to the delta phalanx. Few cases of middle delta phalanx in the ulnar polydactyly finger have been documented. This case study investigates an extremely uncommon occurrence of metacarpal delta phalanx in an ulnar polydactyly finger.
doi_str_mv 10.7759/cureus.49484
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subjects African Americans
Births
Case reports
Hands
Tendons
White people
title Unusual Presentation of Familial Unilateral Postaxial Polydactyly With Metacarpal Delta Phalanx: A Report of a Rare Case
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