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Chinese Journal of Neurology ; (12): 1009-1018, 2021.
Article Dans Chinois | WPRIM | ID: wpr-911828

Résumé

Objective:To investigate the clinical manifestations and pathogenic gene mutation sites of familial cavernous hemangioma by a pedigree study of this disease.Methods:A family of cerebral cavernous hemangioma who was admitted to the Department of Neurology of the First Affiliated Hospital of Henan University of Science and Technology in April 2019 was diagnosed as cerebral cavernous hemangioma type 1 based on clinical manifestations and head magnetic resonance imaging (MRI), diffusion weighted imaging and susceptibility weighted imaging screening. According to Zabramski classification criteria, the family′s clinical data were collected and genes were sequenced.Results:A 58-year-old female proband had dizziness and headache as the main symptoms, her daughter and son had no clinical symptoms, and her granddaughter had clinical manifestations of cerebral hemorrhage and seizures. The proband and her family members showed multiple cavernous hemangioma on cranial MRI,and the p.L436fs mutation in the KRIT1 gene of familial cerebral cavernous malformation type 1 was confirmed through genetic examination, which was consistent with the Zabramski typing results based on head MRI. The mutation site of the familial spongiform malformation type 1 pathogenic gene was found to be p.L436fs in KRIT1 gene, which has not been reported in familial cerebral cavernous hemangioma type 1 until now.Conclusion:A new p.L436fs mutation of KRIT1 gene was found in familial cerebral cavernous malformation type 1, which expands understanding of the clinical manifestations and pathogenic gene mutation sites of familial cavernous hemangioma.

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