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Rocker bottom foot, also known as congenital vertical talus, is an anomaly of the foot.〔(【引用サイトリンク】title=The Newborn Foot - February 15, 2004 - American Family Physician )〕 It is characterized by a prominent calcaneus (heel bone) and a convex rounded bottom to the foot.〔(【引用サイトリンク】title=Pediatric Pathology )〕 It gets its name from the foot's resemblance to the bottom of a rocking chair. It can be associated with Patau's syndrome (trisomy 13), Edwards' syndrome (trisomy 18) as well as Trisomy 9 and mutation in the gene HOXD10. It can also be associated with Charcots foot. ==Treatment== Type II should be managed conservatively whereas type I and Ia requires to be treated surgically. Surgery involves four major steps:〔 * Development of the calcancal part of the foot * Repositioning of the navicular bone * New adjustment of the ankle, and * Various stabilization measures including the Grice operation and transposition of various tendons. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rocker bottom foot」の詳細全文を読む スポンサード リンク
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