is a rare cancer that starts in the skin's sweat glands.

is a condition affecting sweat glands and the body's ability to sweat.

is a rare genetic condition that affects development and multiple body systems.

is a rare inflammatory skin condition causing painful red bumps and fever.

is a contagious flu virus infection that usually causes fever and cough.

is a movement disorder causing sudden involuntary movements after streptococcal infection.

is a rare birth difference causing shortened or missing fingers and toes.

involves calcium deposits in both thalami, sometimes linked to underlying conditions.

is a rare, usually noncancerous nerve sheath tumor of the sympathetic nerves.

is a rare autoimmune eye inflammation affecting both eyes after injury.

is a rare genetic condition affecting finger and toe development.

is a rare genetic condition causing learning, growth, and skeletal problems.

affects some female carriers, causing learning, emotional, or physical problems.

is an inherited iron overload disorder that can damage organs over time.

is a rare muscle weakness disorder affecting some female Duchenne/Becker carriers.

is a rare inherited muscle disorder causing weakness in some female carriers.

are inherited disorders that weaken communication between nerves and muscles.

is breast cancer diagnosed in both breasts at the same time.

is a rare bone cancer with multiple tumors appearing at once.

is an inherited condition causing fused fingers or toes.

is an inherited condition causing fused fingers or toes with extra digits.

is a genetic condition where some fingers are joined together.

is a rare genetic condition causing joined fingers and sometimes extra fingers.

is a rare inherited condition where some fingers or toes are fused.