PEHO syndrome
Definition:
The PEHO syndrome (progressive encephalopathy with oedema, hypsarrhythmia, and optic atrophy) is a rare autosomal recessive neurodegenerative disorder that presents in infancy with hypotonia, seizures, peripheral oedema, characteristic dysmorphic features, and poor visual response. It is characterized by extreme cerebellar atrophy due to almost total granule neuron loss. A missense mutation in ZNHIT3 was identified as the primary cause of PEHO syndrome.
References:
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[1]. Anna-Kaisa Anttonen, et al. ZNHIT3 is defective in PEHO syndrome, a severe encephalopathy with cerebellar granule neuron loss. Brain. 2017 May 1;140(5):1267-1279. [Content Brief]
[2]. M J Field, et al. PEHO and PEHO-like syndromes: report of five Australian cases. Am J Med Genet A. 2003 Sep 15;122A(1):6-12. [Content Brief]
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