is an epilepsy syndrome causing brief staring spells and sometimes convulsive seizures.

is an epilepsy syndrome causing brief staring spells and sometimes seizures.

is a rare, early-onset motor neuron disease causing progressive weakness and stiffness.

is a rare inherited nerve disorder causing progressive muscle weakness in youth.

is a rare inherited disorder causing early muscle weakness and dementia.

is an inflammatory arthritis affecting the spine and joints in children.

is a rare genetic disorder causing early cataracts, small corneas, and glucosuria.

is a chronic, very itchy blistering skin condition linked to celiac disease.

is a rare childhood autoimmune disease causing muscle weakness and skin rash.

is glaucoma in children and teens, damaging the optic nerve and vision.

is a rare inherited brain disorder causing movement, thinking, and behavior changes.

is an inherited disorder causing skin lumps, joint stiffness, and gum overgrowth.

is a long-term autoimmune arthritis in children causing painful, swollen joints.

is a rare autoimmune disease causing muscle weakness, inflammation, and skin rash.

is an autoimmune disorder causing muscle weakness that worsens with activity.

is a rare childhood blood cancer causing excess immature white blood cells.

is a usually adolescent-onset epilepsy with morning myoclonic jerks and generalized seizures.

is a common epilepsy causing myoclonic jerks, seizures, and brief staring.

is an inherited epilepsy causing myoclonic jerks, seizures, and sometimes absence spells.

is an inherited epilepsy causing myoclonic jerks, seizures, and sometimes absences.

is a seizure disorder causing jerking movements, often starting in adolescence.

is a rare benign vascular nasopharyngeal tumor causing adolescent males' nosebleeds, obstruction.

is an inherited kidney disease that often leads to kidney failure.

is a rare inherited disorder where cystine builds up, damaging kidneys early.