is a rare genetic condition affecting brain development and bone density.

is an inherited brain blood vessel disorder that raises stroke risk.

is a rare genetic condition affecting development, learning, speech, and behavior.

is a rare genetic condition that can affect hormones, growth, and development.

is a rare genetic condition causing curly hair, palm-sole thickening, and cavities.

is a rare genetic condition affecting the lower spine, anus, and rectum.

is a rare genetic disorder affecting the brain, skin, and limbs.

is caused by a pituitary tumor that makes too much cortisol.

is a rare cause of Cushing syndrome from enlarged adrenal glands.

is caused by a benign adrenal tumor that makes too much cortisol.

is Cushing syndrome caused by ACTH made outside the pituitary gland.

is a rare skin cancer arising from sweat glands and related tissues.

is a rare bacterial skin infection that usually causes a painless sore.

is a yeast skin infection causing red, itchy, irritated rash.

is a rare skin blood vessel disorder causing tiny visible dilated vessels.

is a bacterial skin infection that causes slow-healing sores or ulcers.

is a common, harmless skin growth made of fibrous tissue.

is a rare, benign tumor of nerve tissue in the skin.

is a skin infestation by hookworm larvae causing intensely itchy, winding rash.

is a rare cancer arising from smooth muscle cells in skin.

is a parasitic skin infection from sand fly bites, causing ulcers.

is a rare cancer of fatty tissue affecting the skin or beneath.

is an autoimmune skin disease causing rashes, photosensitivity, and scarring.

is a harmless buildup of mast cells causing an itchy skin patch.