{"title":"A case of hereditary hemorrhagic telangiectasia with <i>ACVRL1</i> gene variant.","authors":"Sawako Ochiai, Reimon Yamaguchi, Kiminobu Takeda, Naoto Oishi, Sumihito Togi, Hiroki Ura, Yo Niida, Akira Shimizu","doi":"10.4081/dr.2026.10582","DOIUrl":null,"url":null,"abstract":"<p><p>Dear Editor, Hereditary hemorrhagic telangiectasia (HHT) is an inherited vascular disease characterized by multiple localized abnormal connections between an artery and a vein. The majority (>85%) of HHT patients are heterozygous for loss-of-function variants in the ENG (HHT1) or ACVRL1 (HHT2) genes, while a minority (<5%) carry pathogenic variants in the SMAD4 gene and show a combined juvenile polyposis and HHT phenotype (JP/HHT). In addition, a very rare group of patients with an HHT-like phenotype maps to variants in GDF2 (also known as BMP9, HHT5). [...].</p>","PeriodicalId":11049,"journal":{"name":"Dermatology Reports","volume":" ","pages":""},"PeriodicalIF":1.3000,"publicationDate":"2026-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Dermatology Reports","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.4081/dr.2026.10582","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"DERMATOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Dear Editor, Hereditary hemorrhagic telangiectasia (HHT) is an inherited vascular disease characterized by multiple localized abnormal connections between an artery and a vein. The majority (>85%) of HHT patients are heterozygous for loss-of-function variants in the ENG (HHT1) or ACVRL1 (HHT2) genes, while a minority (<5%) carry pathogenic variants in the SMAD4 gene and show a combined juvenile polyposis and HHT phenotype (JP/HHT). In addition, a very rare group of patients with an HHT-like phenotype maps to variants in GDF2 (also known as BMP9, HHT5). [...].
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