Retinal dysfunction in combined methylmalonic aciduria and homocystinuria (Cblc) disease: a spectrum of disorders.

Details

Serval ID
serval:BIB_33901C26D732
Type
Article: article from journal or magazin.
Publication sub-type
Case report (case report): feedback on an observation with a short commentary.
Collection
Publications
Institution
Title
Retinal dysfunction in combined methylmalonic aciduria and homocystinuria (Cblc) disease: a spectrum of disorders.
Journal
Klinische Monatsblätter für Augenheilkunde
Author(s)
Gaillard M.C., Matthieu J.M., Borruat F.X.
ISSN
0023-2165
Publication state
Published
Issued date
2008
Peer-reviewed
Oui
Volume
225
Number
5
Pages
491-4
Language
english
Notes
Publication types: Case Reports ; Journal Article - Publication Status: ppublish
Abstract
BACKGROUND: Cobalamin C methylmalonic aciduria with homocystinuria (cblC disease) is a rare hereditary inborn error of cobalamin metabolism, characterised by neurological, haematological and ophthalmological abnormalities. PATIENTS AND METHODS: Three consecutive patients with Cblc disease were examined. Investigations included slit lamp and fundus examination and full-field ERG. RESULTS: A maculopathy associated with both photopic and scotopic abnormal ERG was present in two cases and a salt and pepper retinopathy with abnormal photopic ERG was detected in the third patient. CONCLUSIONS: Despite early treatment and regular metabolic controls, all our patients exhibited both retinal and ERG abnormalities. There was no correlation between funduscopic appearance and the type of photoreceptor dysfunction. A literature review disclosed a retinopathy in 29 / 70 cases with cblC disease, with an abnormal ERG in 8 of the 12 tested cases, most with retinopathy. Retinal dysfunction in cblC disease may be more frequent than previously thought, and can involve cones only or both rods and cones. We recommend a formal ocular examination with full-field ERG in patients with Cblc disease.
Keywords
Adolescent, Child, Preschool, Female, Homocystinuria/complications, Homocystinuria/diagnosis, Humans, Infant, Macular Degeneration/complications, Macular Degeneration/diagnosis, Male, Metabolism, Inborn Errors/complications, Metabolism, Inborn Errors/diagnosis, Methylmalonic Acid/urine
Pubmed
Web of science
Create date
01/10/2009 14:03
Last modification date
20/08/2019 13:19
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