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CAUSES
SYMPTOMS
OVERVIEW
TREATMENT
Leigh Syndrome
Leigh syndrome (also called Leigh’s disease) is a rare genetic condition that affects your child’s central nervous system. A newborn with Leigh syndrome seems healthy at birth. Over time, cells in their nervous system break down or degenerate.
An inherited gene change (mutation) causes Leigh syndrome. It’s a type of mitochondrial disease. Unfortunately, there isn’t a cure.
Early-onset (infantile): The most common form of Leigh syndrome appears before age 2.
Late-onset (adult-onset): Symptoms appear after age 2 and may not occur until adolescence or early adulthood.
Leigh-like syndrome: A person has some symptoms of Leigh syndrome but imaging scans don’t detect signs of the disease.
Signs of early-onset Leigh syndrome include:
There isn’t a cure for Leigh syndrome. Treatments focus on easing symptoms to keep the child comfortable.