Thumb duplication is a congenital hand difference that occurs in 0.08 of every 1000 live births and is categorized by level of duplication by the Wassel classification system. The anatomy and reconstruction of type VI thumb duplication is not well described, likely due to its rarity. In this report, we detail the anatomy and reconstruction of an ulnar-dominant Wassel VI thumb duplication, with particular attention paid to management of the first CMC joint and intrinsic muscle rebalancing of the preserved digit.
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| http://dx.doi.org/10.1097/GOX.0000000000004009 | DOI Listing |
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Radiographic Characteristics of the Triphalangeal Thumb in Patients With Congenital Thumb Duplication: An Analysis of 383 Thumbs in 368 Children.
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December 2024
Department of Pediatric Orthopaedics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, China. Electronic address:
Purpose: The purpose of this study was to evaluate the morphologic and radiographic characteristics of the triphalangeal thumb (TPT) in patients with congenital thumb duplication.
Methods: We retrospectively reviewed 368 children with TPT duplication (n = 383). Data on age, sex, and laterality were obtained from medical records.
Factors Affecting Appearance after Thumb Polydactyly Reconstruction - A Caregiver's Perspective in an Asian Population.
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Department of Orthopaedic Surgery, KK Women's and Children's Hospital, Singapore.
Current research on thumb polydactyly reconstruction focusses primarily on clinical evaluations. Details on aesthetic outcomes are relatively lacking. This study aims to address this gap by: (1) investigating the effectiveness of surgical treatment in achieving symmetrical thumb size, length and girth; (2) assessing aesthetic outcomes from a caregiver's perspective and (3) identifying key factors that influence aesthetic outcomes to inform strategies to improve surgical reconstruction.
View Article and Find Full Text PDFRadiographic features and subtypes of congenital thumb duplication type C3 according to Wu et al. and their potential implications for surgical management: new classification and preliminary results.
BMC Musculoskelet Disord
October 2024
Department of Pediatric Orthopaedics, Guangdong Provincial Clinical Research Center for Child Health, GuangZhou Women and Children's Medical Center, GuangZhou Medical University, 9th JinSui Road, GuangZhou, 510623, China.
Article Synopsis
- Wu et al. developed a modified radiographic classification system for congenital thumb duplications (CTD), showing reliable results among different evaluators, but previous studies had not focused specifically on type C3 CTD with bone attachment at the metacarpal level.
- The aim of the study was to assess the radiographic features of type C3 CTD, define its various anatomical subtypes, and suggest a new categorization to guide surgical approaches based on radiographic anatomy.
- The analysis involved 215 patients with type C3 CTD, leading to a new four-type classification system based on thumb joint alignment and hypertrophic epiphysis, successfully categorizing all affected thumbs and providing insights into frequency and demographics of the condition.
Corrigendum to "A modified Bilhaut-Cloquet procedure for thumb duplication: Reconstruction of functionality and appearance" [J Plast Reconstr Aesthet Surg 75 8 (2022) 2644-2649].
J Plast Reconstr Aesthet Surg
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Ministry of Education Key Laboratory of Child Development and Disorders, Key Laboratory of Pediatrics in Chongqing, Chongqing International Science and Technology Cooperation Center for Child Development and Disorders, China; Department of Orthopaedics, Children's Hospital of Chongqing Medical University, Yuzhong District Zhongshan 2 Road 136#, Chongqing 400014, China. Electronic address:
An unusual presentation of pacifier thumb duplication with VACTERL association: Case report and review of literature.
Int J Surg Case Rep
September 2024
Department of Anatomic Pathology, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia.
Introduction And Importance: Polydactyly of the hand is a common anomaly among pediatrics, which can present in conjugation with other syndromes or on its own. Various types can be seen, ranging from the involvement of skin only to a completely formed digit. We report the first case of pacifier type thumb duplication presenting with VACTERL association.
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