syndromic disease congenital nervous system disorder inborn mitochondrial myopathy mitochondrial neurogastrointestinal encephalomyopathy https://github.com/monarch-initiative/mondo/issues/6744 https://github.com/monarch-initiative/mondo/issues/7524 https://rarediseases.info.nih.gov/diseases/9920/mitochondrial-neurogastrointestinal-encephalopathy-syndrome https://www.malacards.org/card/mitochondrial_neurogastrointestinal_encephalomyopathy POLIP GARD:0009920 Mitochondrial Neurogastrointestinal Encephalopathy thymidine phosphorylase deficiency MEDGEN:167876 MESH:C537477 SCTID:718214007 mitochondrial Neurogastrointestingal encephalopathy A syndrome characterized by the association of gastrointestinal dysmotility, peripheral neuropathy, chronic progressive external ophthalmoplegia and leukoencephalopathy. UMLS:C0872218 Orphanet:298 Mitochondrial neurogastrointestinal encephalopathy polyneuropathy, ophthalmoplegia, leukoencephalopathy, and intestinal pseudo-obstruction MNGIE syndrome mitochondrial neurogastrointestinal encephalopathy syndrome NCIT:C119678 OGIMD MONDO:0017575 oculogastrointestinal muscular dystrophy myoneurogastrointestinal encephalopathy syndrome NORD:1449 MNGIE inborn disorder of pyrimidine metabolism hereditary peripheral neuropathy