合组用到跟颅內移截颅、后侧圆柱拉长的治疗关键技术是放射治疗 IIB 期平足症的类似于作法。如何避免前足外展睾丸过分纠正，最后借助于概念化放射治疗和改进治果。本文就此问题揭开研究，外大家参考！
Abstract
•In the mid-1990s, a flatfoot reconstruction was proposed that combined the use of a medializing calcaneal osteotomy (MCO), a lateral column lengthening (LCL), and soft-tissue procedures for the treatment of stage IIB AAFD. More recent literature has suggested guidelines for the amount of correction necessary for each of these procedures based on individual deformity.
从 90 世纪末起，有作者明确提出合组用到跟颅內移截颅、后侧圆柱拉长以及软组织治疗关键技术放射治疗 IIB 期平足症。近年来，越来越多的文献明确提出了必要纠正某种特定睾丸所需的护理标准。
•In this paper, we describe our technique for flatfoot reconstruction for stage IIB AAFD, which includes a MCO, LCL, and flexor digitorum longus (FDL) transfer. Importantly, we discuss our preferred method of preoperatively planning the amount of medial translation for the MCO as well as the maximum amount of LCL to prevent overcorrection of the abduction deformity. This allows us to tailor the reconstruction and optimize our results.
本文中，作者介绍了其放射治疗 IIB 期平足的治疗作法。非常极其重要的是发表意见了术前明确跟颅內移截颅的重新排列持续性和后侧圆柱拉长中避免前足外展睾丸过分纠正最小持续性的作法，最后借助于概念化放射治疗和改进治果。
Studies looking at outcomes following flatfoot reconstructions for stage IIB AAFD demonstrate excellent short-term and long-term results. We conclude by discussing complications of the operation, postoperative management, and the future of the technique.
Level of Evidence: Diagnostic Level V.
同时作者也发表意见了放射治疗 IIB 期平足中短期和长期的并发症情况下
Background introduction
•The definition of Stage IIB Flatfoot
talar head uncoverage> 30%
•MCO 跟颅內移截颅
Koutsgiann, medial displacement 1/3-1/2
•LCL 后侧圆柱拉长
Evans, lateral column elongation by osteotomy and bone graft
•MCO
medial load reducing medialization of heel cord insertion the amount of displacement is obscure(10 mm?- supported by caderic study)
跟颅內移截颅可以增加下部纵弓的压强，內移跟腱止点，但理想的內移持续性尚未明确。均的尸骨生物力学实验者表示同意內移 10 mm.
•LCL
forefoot abduction reduction hindfoot valgus correction (up to 60%)
后侧圆柱拉长治疗可以纠正前足的外展睾丸，同时可以纠正左右 60% 的后足外翻睾丸
概述 ：
•LCL overcorrection will lead to
lateral column rigidity stress fracture of 5th metatarsal
但后侧圆柱拉长过分可能引致足后侧纵弓的凌乱，第 5 跖颅压强过分集中后的病理性颅折。
•What is the optimal correction that guarantee a satisfactory result?
如何通过恰当的睾丸纠正来保证满意的治果呢？
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