is a rare genetic condition affecting hair, development, and the nervous system.

is a rare genetic syndrome causing twisted hair and abnormal nails.

is a usually slow-growing brain tumor that often affects children.

is a usually slow-growing brain tumor in the cerebellum, often treatable.

is a rare genetic disorder affecting hair, teeth, and vision.

is a rare skin cancer arising from hair follicle cells.

is a firm, noncancerous skin tumor from hair follicle cells.

is a rare brain tumor, often in children, that can grow quickly.

is a rare brain tumor arising near the pineal gland.

is a rare brain tumor that starts near the pineal gland.

is a rare brain tumor in the pineal gland.

is a rare tumor of the pineal gland with intermediate behavior.

is a rare pineal gland brain tumor with intermediate growth behavior.

is a rare, aggressive brain tumor arising near the pineal gland.

is a rare, often treatable brain tumor in the pineal gland.

is a rare, fast-growing brain tumor arising near the pineal gland.

is a usually benign brain tumor near the pineal gland.

is a rare, usually benign brain membrane tumor near the pineal gland.

is a rare tumor near the pineal gland, often affecting young people.

is a rare cancer near the pineal gland, usually in children.

is a rare brain tumor arising from cells in the pineal gland.

is a rare, fast-growing cancerous brain tumor in the pineal gland.

is a rare, usually slow-growing tumor of the pineal gland.

is a common, harmless yellowish growth on the white of the eye.