is dangerous pressure on brain tissue from swelling, bleeding, tumor, or injury.

affects brain structure or function, causing problems with thinking, movement, or sensation.

is a rare genetic disorder of brain chemicals causing movement, developmental problems.

is swelling from excess fluid in brain tissue, raising pressure.

is a brain tumor from cells lining fluid-filled ventricles.

is a rare, usually curable brain tumor affecting children and adolescents.

is an aggressive brain cancer causing rapid symptoms and requiring urgent treatment.

is a brain tumor from glial cells; severity varies by grade.

is tissue death from blocked brain blood flow, causing sudden stroke symptoms.

is inflammation of brain tissue (encephalitis) causing headaches, fever, confusion, seizures.

is reduced blood flow to the brain, causing tissue damage or stroke.

is a rare genetic disorder with brain malformations, heart defects, extra fingers/toes.

is a rare genetic syndrome causing brain, skeletal, facial, and learning differences.

is an often benign tumor from brain coverings, compressing nearby tissue.

is a primary brain tumor from oligodendrocytes (myelin-making cells), often slow-growing.

is a rare cancer of brain’s connective tissues, causing neurological symptoms.

is a disorder of tiny brain vessels causing strokes and thinking problems.

is an inherited small-vessel disease causing strokes, migraines, and cognitive decline.

is an inherited condition causing strokes, brain bleeding, and white matter damage.

is a rare, usually benign blood-vessel tumor in the brainstem, compressing nerves.

is an astrocyte tumor in the brainstem, disrupting essential functions.

is a malignant tumor in the brainstem affecting vital functions.

is a rare brainstem tumor arising from ependymal cells, causing neurological symptoms.

is a brainstem tumor, often in children, affecting movement and breathing.