Cutaneous findings of familial cerebral cavernous malformation syndrome due to the common Hispanic mutation.

Familial cerebral cavernous malformations due to the common Hispanic mutation (FCCM1-CHM) is an endemic condition among the Hispanic population of the Southwestern United States associated with significant morbidity and mortality. Cutaneous vascular malformations (CVMs) can be found in individuals with FCCM1-CHM, but their morphology, prevalence, and association with cerebral cavernous malformations (CCMs) has not been well characterized. A cross-sectional study of 140 individuals with confirmed FCCM1-CHM was performed with statistical analyses of CVM, CCM, and patient characteristics. We then compared these findings to other cohorts with Familial cerebral cavernous malformations (FCCM) due to other mutations. We observed a higher overall prevalence and a different predominant morphological subtype of CVM compared to previous FCCM cohorts. While the number of CVMs was not a reliable indicator of the number of CCMs present, each person with one or more CVMs had evidence of central nervous system (CNS) disease. Awareness of the morphology of these cutaneous lesions can aid in the diagnosis of individuals with FCCM-CHM in Hispanic patients or those with family history of CCM. © 2020 Wiley Periodicals, Inc.

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