is a genetic condition affecting multiple body systems, including the kidneys.

is a rare genetic disorder causing widespread body effects and primary lymphedema.

is a condition where pressure on the optic nerve affects vision.

are rare inherited disorders affecting how the body processes certain sugars.

are conditions that disrupt vitamin D processing, affecting bones and calcium balance.

is when the upper stomach pushes through the diaphragm opening.

is a chronic inflammatory scalp condition causing painful lumps, drainage, and scarring.

is widespread inflammation of the retina and choroid that can affect vision.

is a rare inflammatory connective-tissue disorder involving eosinophils and multiple tissues.

is a serious condition causing widespread blood clotting and bleeding.

is a rare condition causing benign smooth muscle growths in the abdomen.

is a sun-related skin condition causing many dry, scaly ringlike spots.

is a condition causing memory loss, usually after stress or trauma.

involves disconnection between thoughts, identity, memory, feelings, or surroundings.

is a rare genetic condition that can affect development, learning, and behavior.

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

is a rare genetic condition caused by missing DNA on chromosome 17.

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

is a rare genetic condition caused by extra DNA on chromosome 22.

is a rare genetic condition that can affect development and learning.

is a rare genetic condition that can affect development and learning.

is an inherited muscle disease that mainly weakens the lower legs.

is a genetic condition causing joint stiffness mainly in hands and feet.

is a rare inherited condition causing permanently bent fingers and toes.