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Study of ridges pattern in patients with congenital anomalies of hypoplasia of fingers

Authors:Madhuri Dofe, M.M.Meshram
Int J Biol Med Res. 2013; 4(3): 3320-3324  |  PDF File

Abstract

Abstract Present study was carried out on 20 hands ,in which 50 fingers of anomalous hand having distal phalanges hypoplasia as cases (10 hands) and 50 fingers of normal hands as control (10 hands) were studied. Aim of this study was to find out any specific association between distal phalanges hypoplasia of fingers and formation of ridges pattern .Here we evaluated fingertip patterns ,palmar pattern , position of axial triradius, and type of flexion creases either transverse type, transitional type ,normal type (having distal,proximal transverse and thenar creases) and presence or absence of thenar crease. Results of this study showed in distal phalanges hypoplasia of fingers there is increase in frequencies of arches pattern, shifting of axial triradius distally, and increase in frequency of transverse crease. Conclusion of this study shows there is close relationship between distal phalanges hypoplasia of fingers and high incidences of arches pattern. High incidences of arches in hypoplastic phalangeal skeleton associated with under development of the digital pad when the dermal ridges were developing during embryogenesis of hand.