Medical Definition of Malignant hyperphenylalaninaemia

1. DHPR-deficient form; an inherited disorder in which there is an absence or deficiency of dihydropteridine reductase (DHPR); this results in impaired regeneration of tetrahydrobiopterin, causing an elevation in phenylalanine levels, GTP-CH form; an inherited disorder in which there is a deficiency of guanosine triphosphate cyclohydrolase, an enzyme used in the biosynthesis of tetrahydrobiopterin, 6-PTS form; an inherited disorder in which there is a deficiency of 6-pyruvoyl tetrahydropterin synthase, an enzyme that participates in the biosynthesis of tetrahydrobiopterin. Synonym: nonclassical phenylketonuria. (05 Mar 2000)



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Lexicographical Neighbors of Malignant Hyperphenylalaninaemia

malignant catarrh
malignant catarrh of cattle
malignant catarrhal fever
malignant catarrhal fever virus
malignant ciliary epithelioma
malignant dysentery
malignant dyskeratosis
malignant endocarditis
malignant exophthalmos
malignant fibrous histiocytoma
malignant giant cell tumour
malignant glaucoma
malignant granuloma
malignant hepatoma
malignant histiocytosis
malignant hyperphenylalaninaemia (current term)
malignant hyperpyrexia
malignant hypertension
malignant hyperthermia
malignant jaundice
malignant lentigo melanoma
malignant liver tumours
malignant lymphadenosis
malignant lymphoma
malignant malnutrition
malignant melanoma
malignant melanoma: gallium imaging
malignant melanoma in situ
malignant meningioma

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