Progressive cerebral and coronary aneurysms in the original two patients with Kosaki overgrowth syndrome.
Am J Med Genet A
; 185(3): 999-1003, 2021 03.
Article
em En
| MEDLINE
| ID: mdl-33382209
ABSTRACT
Skeletal overgrowth accompanied by de novo heterozygous activating mutations in PDGFRB (platelet-derived growth factor receptor beta), that is, p.Pro584Arg and p.Trp566Arg, defines Kosaki overgrowth syndrome (OMIM #616592). Emerging evidence suggests a role of PDGFRB in the genesis of cerebral aneurysms. The delineation of the range and progression of the vascular phenotype of Kosaki overgrowth syndrome is urgently needed. Herein, we conducted subsequent analyses of serial neurovascular imaging studies of two original patients with a de novo heterozygous mutation in PDGFRB, that is, p.Pro584Arg. The analysis showed the progressive dilation of basilar and vertebral arteries and coronary arteries commencing during the teenage years and early 20s. The radiographic appearance of the basilar vertebral aneurysms showed signs of arterial wall dilation, compatible with the known vascular pathology of vascular-type Ehlers-Danlos syndrome and Loeys-Dietz syndrome. The dolichoectasia in cerebrovascular arteries can lead to fatal complications, even with neurosurgical interventions. To prevent the progression of artery dilation, preventative and therapeutic medical measures using tyrosine kinase inhibitors may be necessary in addition to optimal control of the systemic blood pressure. Kosaki overgrowth syndrome is a clinically recognizable syndrome that can exhibit progressive dilatory and tortuous vascular changes in basilar/vertebral and coronary arteries as early as in the teenage years. We recommend careful counseling regarding the risk of future vascular complications, optimal blood pressure control, and regular systemic vascular screening during follow-up examinations.
Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Insuficiência Vertebrobasilar
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Doenças do Desenvolvimento Ósseo
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Aneurisma Coronário
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Aneurisma Intracraniano
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Mutação Puntual
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Mutação de Sentido Incorreto
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Receptor beta de Fator de Crescimento Derivado de Plaquetas
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Mutação com Ganho de Função
Tipo de estudo:
Etiology_studies
Limite:
Adolescent
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Female
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Humans
Idioma:
En
Ano de publicação:
2021
Tipo de documento:
Article