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Late-onset Fabry disease associated with angiokeratoma of Fordyce and multiple cherry angiomas.
Clin Exp Dermatol 2011 Jul 4;36(5):506-8. Epub 2011 Apr 4.
Royal Free Hospital, London, UK.
Fabry disease (FD) is a lysosomal storage disorder. The prevalence and clinical spectrum is higher than previously thought. The average time between onset of symptoms and diagnosis is 10 years. Early identification of patients is essential to institute enzyme therapy and reduce morbidity. We report the case of a 76-year-old man, who presented with loss of consciousness following exertional chest pain. He was found to have tortuous corneal vessels, > 100 cherry angiomas on his trunk, and angiokeratomas on his scrotum. The latter were indistinguishable from angiokeratoma of Fordyce, a diagnosis reported in 15% of men over the age of 50 years, and generally ignored by them. The patient's α-galactosidase levels were low, and a mutation in exon 5 of the GLA gene was identified on DNA analysis, confirming the diagnosis of FD. This case highlights the importance of considering a diagnosis of FD in all male patients with angiokeratoma. It also raises the question of whether the presence of multiple cherry angiomas in patients with cardiac disease should raise the possible diagnosis of FD.
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