affects the brain, spinal cord, or nerves, disrupting movement, sensation, or thinking.

is a rare, usually benign tumor made of brown fat cells.

is a very rare genetic condition that can affect development and health.

is a rare bladder cancer subtype that may look mild but invade.

is a very rare genetic disorder causing features of premature aging.

is a rare inherited skin disorder causing eczema, fragile hair, and infections.

is a rare, severe genetic disorder affecting growth and development before birth.

is a rare, severe genetic disorder causing lethal brain and body malformations.

is a rare inherited disorder causing severe birth defects and early death.

is a rare inherited disorder causing severe growth, brain, and skin problems.

is a rare inherited disorder causing severe growth, brain, and skin problems.

is a severe inherited disorder that disrupts development before birth.

is a rare genetic condition causing enlarged corneas and developmental differences.

is a rare genetic condition affecting the eyes, brain, and development.

is a birth defect where the brain or spinal cord forms abnormally.

is a birth defect where the neural tube doesn't close properly.

is a rare nerve disorder causing sudden severe shoulder pain and weakness.

is a rare, usually benign cyst that forms near the spine.

is usually a benign nerve sheath tumor that grows slowly.

is a rare, usually benign tumor of the trigeminal nerve sheath.

is a rare, usually benign nerve sheath tumor in the lung lining.

is a condition affecting vision and the nerves connecting eyes and brain.

is a rare inherited disorder affecting movement, behavior, and red blood cells.

is a rare fungal infection affecting the brain, spinal cord, or nerves.