buttonhole deformity
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boutonniиre deformity — buttonhole deformity a deformity of the finger characterized by flexion of the proximal interphalangeal joint and hyperextension of the distal joint. Boutonniиre deformity … Medical dictionary
boutonnière deformity — buttonhole deformity a deformity seen in a finger when the central strand of the tendon of the extensor muscle of the digits is ruptured. This results in marked flexion of the middle phalanx across the proximal interphalangeal joint and… … The new mediacal dictionary
deformity — A permanent structural deviation from the normal shape, size, or alignment, resulting in disfigurement; may be congenital or acquired. SEE ALSO: deformation (1). Åkerlund d. indentation (incisura) with niche of duodenal … Medical dictionary
boutonnière deformity — noun (medicine) A type of deformity in which a finger is bent down at the middle joint and bent back up at the end joint as the result of a buttonhole shaped tear in a tendon • • • Main Entry: ↑bouton … Useful english dictionary
