" /> Norrie disease - CISMeF





Preferred Label : Norrie disease;

Symbol : ND;

CISMeF acronym : ND;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Atrophia bulborum hereditaria; Episkopi blindness;

Description : Norrie disease is an X-linked recessive disorder characterized by very early childhood blindness due to degenerative and proliferative changes of the neuroretina. Approximately 50% of patients show some form of progressive mental disorder, often with psychotic features, and about one-third of patients develop sensorineural deafness in the second decade. In addition, some patients have more complex phenotypes, including growth failure and seizures (Berger et al., 1992). Warburg (1966) noted confusion of the terms 'pseudoglioma' and microphthalmia with Norrie disease in the literature. 'Pseudoglioma' is a nonspecific term for any condition resembling retinoblastoma and can have diverse causes, including inflammation, hemorrhage, trauma, neoplasia, or congenital malformation, and often shows unilateral involvement. Thus, 'pseudoglioma' is not an acceptable clinical or pathologic diagnosis (Duke-Elder, 1958).;

Inheritance : X-linked recessive;

Molecular basis : Caused by mutation in the norrin gene (NDP, 300658.0001);

Prefixed ID : #310600;

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27/05/2024


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