is a rare inflammatory disease that causes asthma, allergies, and vasculitis.

is a rare inflammation of the brain's lining, often linked to parasites.

is a rare kidney cancer subtype with eosinophilic tumor cells.

is a tumor arising from cells lining the brain's fluid spaces.

is a rare, fast-growing brain tumor that usually affects young children.

is a rare tumor that forms in the brain or spinal cord.

is a rare genetic disorder causing severe fetal fluid buildup.

is an eyelid condition where extra skin makes lashes rub the eye.

is a rare birth condition causing eye, ear, and nipple skin anomalies.

is a very rare cancer affecting the heart's outer lining.

is a rare noncancerous fatty tumor on the heart’s outer lining.

is an overuse injury causing pain where tendons attach near the elbow.

is a viral illness causing sudden chest or belly muscle pain.

is a serious bacterial infection spread by body lice.

is a condition affecting the development of hair, teeth, nails, or sweat glands.

is a usually benign growth arising from hair, sweat, or oil glands.

is a group of skin conditions affecting the outer skin layer.

is a noncancerous skin birthmark caused by overgrowth of epidermal cells.

is a rare condition with skin overgrowths and sometimes other body problems.

is a rare inherited skin disorder causing lifelong HPV-related warts, skin cancers.

is a group of inherited skin disorders causing fragile, blistering skin.

is a rare autoimmune disease causing fragile skin and painful blisters.

is an inherited skin disorder causing fragile skin, blisters, and scarring.

causes fragile skin that blisters easily from minor friction or heat.