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Orthopaedic Manifestations of Arthrogryposis-Renal Dysfunction-Cholestasis Syndrome

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Jang, Woo Young; Cho, Tae-Joon; Bae, Jung Yun; Jung, Hae Woon; Ko, Jae Sung; Park, Moon Seok; Yoo, Won Joon; Chung, Chin Youb; Seo, Jeong Kee; Choi, In Ho

Issue Date
Lippincott Williams & Wilkins Ltd.
Journal of Pediatric Orthopaedics, Vol.31 No.1, pp.107-112
Background: Arthrogryposis-Renal dysfunction-Cholestasis (ARC) syndrome (MIM#208085) is a rare multisystem disorder, which involves the kidney, liver, skin, and central nervous and musculoskeletal systems. It is inherited as an autosomal-recessive trait, associated with germ-line mutations in the VPS33B gene. In this study, the authors reviewed the orthopaedic manifestations of ARC syndrome. Materials: Ten patients diagnosed as having ARC syndrome were the subjects of this study. ARC syndrome was confirmed by mutation analysis in 8 of the 10 patients. Medical records and radiographs were retrospectively reviewed with a focus on musculoskeletal manifestations. Results: Seven patients either expired at 4 to 19 months of age or were presumed to have expired. The remaining 3 patients remained alive at the time of writing this manuscript and were aged from 7 to 23 months. All patients showed musculoskeletal symptoms and/or signs, which included vertical talus (7 feet, 4 patients), pes calcaneovalgus (4 feet, 3 patients), hip dislocation (6 hips, 3 patients), pathologic fractures (5 fractures in 5 patients), and rigid kyphosis (2 patients). No surgical intervention was performed. Orthopaedic treatments, other than fracture management, were abandoned soon after diagnoses were made. Conclusions: ARC syndrome should be included in the differential diagnosis of arthrogryposis. As there is no specific effective treatment for renal dysfunction and cholestasis, orthopaedic intervention should be postponed until long-term survival is expected, though this is unlikely.
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  • College of Medicine
  • Department of Medicine
Research Area Cerebral palsy, Medical image, Motion analysis, Pediatric orthopedic surgery, Statistics in orthopedic research


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