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Pediatric neurology · Feb 2009
Case ReportsA 30-year follow-up of a neuronal ceroid lipofuscinosis patient with mutations in CLN3 and protracted disease course.
- Laura Aberg, Leena Lauronen, Janne Hämäläinen, Sara E Mole, and Taina Autti.
- Pediatric Neurology-Department of Pediatric and Adolescent Medicine, Helsinki University Central Hospital, University of Helsinki, Finland. laura.aberg@fimnet.fi
- Pediatr. Neurol. 2009 Feb 1; 40 (2): 134-7.
AbstractReported here is the 30-year follow-up of a patient, diagnosed with juvenile neuronal ceroid lipofuscinosis, who was compound heterozygous for the common 1-kb deletion and the missense mutation p.Glu295Lys in the CLN3 gene. Visual failure was noticed at 6 years of age, but thereafter disease progression was atypical. Polyneuropathy and cerebellar signs were observed after age 20, and epilepsy and slight mental decline after age 35. From then on, there was rapid deterioration, and the patient died at age 39. This case highlights the importance of exact genotyping for disease course prediction and management.
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