Document Detail


A benign form of congenital anterolateral bowing of the tibia associated with ipsilateral polydactyly of the hallux: Case report and literature review.
MedLine Citation:
PMID:  22678991     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Congenital anterolateral bowing of the tibia is generally considered a precursor of congenital pseudarthrosis of the tibia (CPT), which is usually associated with neurofibromatosis type 1 (NF1), a common autosomal dominant genetic disorder. In many cases, NF1 is initially suspected following the presentation of a child with anterolateral tibial bowing. The prognosis of CPT is poor, and amputation may be required. Congenital anterolateral bowing of the tibia combined with ipsilateral polydactyly of the hallux (CABTP) is a rare entity that resembles the anterolateral tibial bowing that occurs in association with CPT, and may be misdiagnosed as NF1. However, spontaneous correction of the tibial bowing with an almost normal fibula has been described in all previously reported cases. Here, we report three patients with CABTP and discuss the physical and imaging characteristics and follow-up results. We suggest that given the spontaneous resolution of bowing, the absence of neurocutaneous signs and the relatively favorable prognosis, CABTP is a distinct entity that merits its own place within the field of anterolateral bowing of the tibia and has no association with CPT or NF1. This should help avoid unnecessary investigations and interventions for NF1. This article shows for the first time tibial duplication in the area of bowing, with two medullary canals surrounded by well-defined cortex on CT. © 2012 Wiley Periodicals, Inc.
Authors:
Jiuhui Han; Lei Qu; Yazhou Li; Junzhong Luo; Jinchao Cao; Wanyu Zhao
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-7
Journal Detail:
Title:  American journal of medical genetics. Part A     Volume:  -     ISSN:  1552-4833     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101235741     Medline TA:  Am J Med Genet A     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Wiley Periodicals, Inc.
Affiliation:
Department of Pediatric Orthopedics, Third Hospital of Hebei Medical University, Shijiazhuang, China. hanjiuhui2002@yahoo.com.cn.
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