childhood dementia

About the childhood dementia Search Trend

Childhood dementia refers to a group of rare, progressive neurodegenerative disorders that cause loss of cognitive abilities, motor skills, language and learned behaviours in infants, children or adolescents. Unlike typical adult dementia, childhood forms are usually genetic or metabolic in origin — common causes include neuronal ceroid lipofuscinoses (NCLs), certain leukodystrophies, mucopolysaccharidoses and mitochondrial disorders — and onset can range from infancy through the teenage years. Diagnosis typically involves clinical assessment, brain imaging, EEG, metabolic testing and increasingly whole‑exome or whole‑genome sequencing; management is mainly supportive and multidisciplinary but disease‑specific treatments (for example enzyme replacement or investigational gene therapies) are emerging for some conditions. Prognosis varies widely by cause, but many childhood dementias are progressive and life‑limiting, so early genetic diagnosis, access to specialist centres and supportive/palliative care planning are important. Recent advances include wider use of genomic testing, expansion of newborn screening panels in some regions and the development or trialing of targeted therapies for specific disorders such as certain NCLs.

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