整形外科と災害外科
Online ISSN : 1349-4333
Print ISSN : 0037-1033
ISSN-L : 0037-1033
仮骨延長法による両第 4 趾短縮症の治療経験
宮崎 幸政有馬 準一大賀 正義生田 光中野 壮一郎瀬尾 健一田中 孝幸楊 昌樹
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2004 年 53 巻 2 号 p. 320-323

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A case of bilateral 4th brachymetatarsia treated by callotasis is reported. A 14-year-old girl visited our department because her bilateral 4th toes were naturally short and hypoplastic. X-ray showed that bilateral 4th metatarsals were as short as 15 mm. Because of cosmetic problems, she required corrective surgery. The middle parts of the bilateral 4th metatarsal were explored and small external fixation devices for distraction were applied. Osteotomy was performed while preserving the periosteum. Distraction of 0.25 mm per day commenced at 3.5 weeks after surgery. As good callus formation was recognized on serial X-rays, the value of lengthening was increased up to 0.5 mm per day at 10 weeks after surgery. Distraction was discontinued when the 4th metatarsals appeared long enough. The external device was removed at 14 weeks after surgery. No complications occurred and clinical results were excellent. Callotasis is considered to be a beneficial procedure for the treatment of brachymetatarsia.

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© 2004 西日本整形・災害外科学会
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