Krabbe disease (KD), also known as globoid cell leukodystrophy (GCL; MIM # 245200), is a life-threatening, autosomal-recessive neurodegenerative disease with a prevalence of 1/100,000-250,000. 1 The main pathogenetic event is the progressive accumulation of galactoylceramide and galactosylsphingosine (psychosine) due to the lack of a lysosomal beta-galactocerebrosidase (GALC) activity, which causes clinical findings related to increased apoptosis rate in myelin-forming cells. 2 Nearly 90% of the cases are "early-onset (EO)" (infantile) KD cases, which often starts before 6 months. The remaining cases are "late-onset (LO)" KD which begin in the lateinfantile, juvenile, and adult period. In EOKD cases, hyperirritability, excessive crying, axial hypotonia, spasticity, gastroesophageal reflux, feeding difficulties, loss of acquired skills and peripheral neuropathy are observed. LOKD cases present with initial symptoms such as
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