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자료유형
학술저널
저자정보
Sang Ha Lee (Seoul National University College of Medicine) Kyu Hyung Park (Seoul National University College of Medicine) 우세준 (분당서울대학교병원) Sang Jun Park (Seoul National University College of Medicine) 주광식 (서울대학교)
저널정보
대한안과학회 Korean Journal of Ophthalmology Korean Journal of Ophthalmology 제36권 제6호
발행연도
2022.12
수록면
543 - 549 (7page)
DOI
10.3341/kjo.2022.0079

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Purpose: We investigated the clinical features of Korean patients with retinal capillary hemangioblastoma (RCH) and geneticvariants of the von Hippel-Lindau (VHL) gene.Methods: A retrospective analysis was performed on patients with RCH from 2003 to 2021 at Seoul National UniversityBundang Hospital. Sporadic and hereditary RCH associated with VHL disease were classified based on the specific tumors andfamily history. Clinical features, including the location and number of RCH and bilateral involvement, were investigated. Multiplexligation-dependent probe amplification and direct sequencing targeting the VHL gene were performed for six RCH casesassociated with VHL disease.Results: A total of 18 patients (23 eyes) were enrolled in this study. The mean age at diagnosis was 37 ± 15 years. Twelvepatients had hereditary RCH associated with VHL disease, and six patients had sporadic RCH. All five patients with bilateralRCH were clinically diagnosed with VHL disease, and 13 patients had unilateral RCH. Juxtapapillary RCH was only observed inpatients with VHL. The most common complication of RCH was the epiretinal membrane, followed by the subretinal fluid.Pathogenic variants were identified in four patients. All three patients with type 1 VHL had the well-known missense mutationp.Glu70Lys, and one patient with type 2 VHL had the nonsense mutation p.Trp88Ter.Conclusions: In Korean patients with RCH, bilateral involvement and juxtapapillary RCH are highly likely to be associated withVHL disease. Because RCH may be the first clinical manifestation in patients with VHL, active genetic testing of the VHL geneand systemic evaluation are required.

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