is a rare bone disorder affecting multiple bones with abnormal fibrous tissue.

is a usually benign growth in the uterus that may cause bleeding.

is a noncancerous growth in the middle ear that can affect hearing.

is a rare chromosome condition with extra full sets of chromosomes.

is a nerve disorder affecting multiple nerve roots and peripheral nerves.

is a nerve root disorder causing pain, weakness, numbness, or tingling.

is a rare birth difference causing a partly or fully duplicated nose.

is a rare chromosome condition caused by extra X chromosomes.

is a condition where a person has extra, fused fingers or toes.

is a rare genetic condition with extra digits and heart defects.

is a condition affecting multiple heart valves and sometimes other organs.

is a rare, fast-growing ovarian germ cell cancer with yolk sac features.

is a rare testicular cancer pattern seen in yolk sac tumors.

is a genetic muscle disease (dystroglycanopathy) causing progressive hip and shoulder weakness.

causes progressive muscle weakness, especially around the hips and shoulders.

is an itchy skin condition causing small blisters on hands and feet.

is an autosomal recessive muscle disorder causing progressive hip and shoulder weakness.

is an inherited muscle disease causing progressive weakness in hips and shoulders.

is a mild, flu-like illness caused by Legionella bacteria exposure.

is a rare inherited brain small-vessel disease affecting white matter.

is a rare brainstem disorder affecting development, movement, hearing, and speech.

is a rare group of genetic disorders affecting brain development and movement.

is a rare inherited disorder affecting brain development and muscle control.

is a rare inherited disorder affecting brain development, movement, and learning.