is an inherited disorder causing severe organ and brain disease before birth.

is a rare inherited disorder that causes harmful fat buildup in cells.

is a rare inherited disorder causing harmful fat buildup in cells.

is an eye condition that makes seeing in low light difficult.

is a rare genetic disorder affecting night vision, bones, and facial features.

is a rare genetic disorder with microcephaly, immune deficiency, cancer risk.

is a rare inherited DNA repair disorder with microcephaly, immune deficiency, cancer.

is a rare inherited immune disorder causing recurrent infections and weak antibodies.

is a rare, serious viral infection that can affect the brain.

is a rare viral brain infection that can cause severe illness.

is a noncancerous growth affecting nipple tissue.

is a rare breast cancer that begins in the nipple tissue.

is a rare breast cancer affecting the nipple and nearby milk ducts.

is a rare immune disorder causing poor natural killer cell function.

is a rare, usually noncancerous immune cell disorder affecting the digestive tract.

is an inherited brain white matter disorder affecting movement, speech, and development.

is a rare inherited autoinflammatory disease causing episodic fever, rash, inflammation.

is an inherited autoinflammatory disorder causing repeated episodes of fever and inflammation.

is an autoimmune brain disorder causing psychiatric symptoms, seizures, and confusion.

is a rare bacterial infection that mainly affects the lungs, brain, or skin.

is asthma that causes breathing symptoms mainly at night during sleep.

is a rare, slow-growing cancer of lymph nodes and B cells.

is a rare, slow-growing non-Hodgkin lymphoma affecting lymph nodes.

is the most common type of basal cell skin cancer.