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Severe phenotypic spectrum of mevalonate kinase deficiency with minimal mevalonic aciduria
Chitra Prasad1, Marina I Salvadori, C A Rupar
1Department of Paediatrics, Children's Hospital of Western Ontario, Western University London, Ontario Canada. Chitra.Prasad@lhsc.on.ca
Abstract:
Mevalonate kinase deficiency is a rare autosomal recessively inherited organic aciduria with a complex multi-systemic phenotype. We describe two deceased patients with clinically severe mevalonate kinase (MK) deficiency confirmed by MK mutation analysis. The phenotype in our patients ranged from neonatal hydrops in the first patient to severe failure to thrive, hepatosplenomegaly, recurrent febrile episodes and lymphadenopathy in the second. Both infants excreted relatively low amounts of mevalonic acid intermittently.
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