Abstract

Fabry disease (FD) is an X-linked lysosomal storage disease caused by the mutation in the α-galactosidase A gene that leads to a consequently decreased α-galactosidase A enzyme activity and a series of clinical presentations. However, FD accompanied with aseptic meningitis can be relatively scarce and rarely reported, which leads to significant clinical misdiagnosis of this disease. Sixteen patients diagnosed with FD based on a decreased activity of α-galactosidase A enzyme and/or genetic screening were identified through a 6-year retrospective chart review of a tertiary hospital. Clinical presentations, brain magnetic resonance imaging, cerebrospinal fluid analysis, treatment and outcome data were analyzed in cases of aseptic meningitis associated with FD. Three out of 16 cases exhibited aseptic meningitis associated with FD. There was one female and two male patients with a mean age of 33.3 years. A family history of renal failure or hypertrophic cardiomyopathy was found in 3 cases. All cases presented with a persistent or intermittent headache and recurrent ischemic stroke. The cerebrospinal fluid analyses showed mild pleocytosis in 2 patients and an elevated level of protein in all patients. Cerebrospinal fluid cytology revealed activated lymphocytes, suggesting the existence of aseptic meningitis. In the literature review, up to 9 cases presenting with FD and aseptic meningitis were found, which bore a resemblance to our patients in demographic and clinical characteristics. Our cases suggested that aseptic meningitis in FD might be under-detected and easily misdiagnosed, and should be more thoroughly examined in further cases.

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