is a birth defect where one kidney develops as nonworking cysts.

is a difficult-to-treat bacterial infection resistant to several standard tuberculosis medicines.

is a fast, irregular heart rhythm caused by multiple atrial signals.

is a movement disorder causing involuntary muscle contractions in multiple body areas.

is a rare disorder causing abnormal blood vessels and low platelets.

is a rare nerve disorder causing slowly progressive muscle weakness.

is a rare bone cancer that develops in multiple areas.

is an inherited eye disorder causing gradual central vision changes.

is tuberculosis affecting multiple body sites, often causing serious illness.

is a rare kidney cancer with multiple cyst-like areas and clear cells.

is a rare kidney tumor with cysts and low cancer risk.

is a benign kidney cyst made of several fluid-filled compartments.

is a rare genetic muscle disorder causing weakness and low muscle tone.

is a rare, usually noncancerous brain tumor often linked to seizures.

is a rare genetic condition affecting the thyroid, kidneys, and digits.

is a very rare genetic condition affecting brain, kidney, and prenatal development.

is a rare, severe condition affecting brain and kidney development before birth.

is a rare inherited disorder that impairs how the body makes energy.

is a rare inherited disorder that affects how the body uses fats.

is a rare inherited disorder causing severe energy problems in newborns.

is a rare congenital condition causing harmless ring-like skin creases on limbs.

is a rare inherited disorder that affects vitamin use and metabolism.

involves symptoms some people link to low-level everyday chemical exposures.

is a rare genetic disorder causing birth differences, hypotonia, and seizures.