Tags: Disease.
In racquet nails (also known as brachyonychia nail en raquette and racquet thumb) the end of the thumb is widened and flattened the nail plate is flattened as well and the distal phalanx is abnormally short. Racquet nails occur on one or both thumbs and are apparently inherited as an autosomal-dominant trait. In racquet nails the width of the nail bed and nail plate is greater than their length.