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Adults with lysosomal storage diseases in the undiagnosed diseases network

OBJECTIVES: To review the referral and clinical characteristics of adult patients diagnosed with lysosomal storage diseases (LSD) through the Undiagnosed Diseases Network (UDN). METHODS: Retrospective review of both application and evaluation records for adults admitted to the UDN with a final diagn...

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Detalles Bibliográficos
Autores principales: Xiao, Changrui, Koziura, Mary, Cope, Heidi, Spillman, Rebecca, Tan, Khoon, Hisama, Fuki M., Tifft, Cynthia J., Toro, Camilo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9482386/
https://www.ncbi.nlm.nih.gov/pubmed/35848209
http://dx.doi.org/10.1002/mgg3.2013
Descripción
Sumario:OBJECTIVES: To review the referral and clinical characteristics of adult patients diagnosed with lysosomal storage diseases (LSD) through the Undiagnosed Diseases Network (UDN). METHODS: Retrospective review of both application and evaluation records for adults admitted to the UDN with a final diagnosis of a lysosomal storage disease. RESULTS: Ten patients were identified. Final diagnoses included late onset Tay Sachs, attenuated MPS I, MPS IIIA, MPS IIIB, and MPS IIIC. Most patients presented with neurocognitive changes. Prior to referral, all patients had been evaluated by neurology, four patients underwent phenotype specific panel testing that did not include the causative gene, and four patients had non‐diagnostic clinical exome sequencing. CONCLUSIONS: LSDs figure highly in the differential diagnosis of neurometabolic disorders in pediatric onset progressive diseases. In adults, their subtle initial presentations overlap with symptoms of more common disorders and less practitioner awareness may lead to prolonged diagnostic challenges.