is esophageal inflammation with eosinophils that improves with proton pump inhibitors.

is a rare, slow-growing brain tumor arising from star-shaped support cells.

is an intestinal infection caused by parasites that can cause bloody diarrhea.

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

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

is a rare birth difference where the upper thigh bone is underdeveloped.

is a rare muscle disease causing weakness and movement problems.

is a genetic muscle disorder causing weakness in muscles near the body.

is a kidney disorder causing blood acidity from poor bicarbonate reabsorption.

is an inherited disorder causing progressive weakness in muscles near the body.

is a severe inherited disorder causing early muscle weakness and breathing problems.

is a genetic nerve-and-muscle disorder causing weakness, usually beginning in infancy.

is an inherited disorder causing progressive muscle weakness, usually starting in childhood.

is a rare inherited disorder causing gradual muscle weakness in adulthood.

is an inherited condition causing fused finger or toe joints and stiffness.

is an inherited condition causing stiff fingers and toes from joint fusion.

is a rare inherited condition causing fused finger or toe joints.

is a rare genetic condition that can affect development and muscle tone.

is a rare inherited disorder causing amyloid buildup in organs and nerves.

is a rare birth condition affecting the abdomen, urinary tract, and testes.

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

is an itchy pregnancy rash that usually resolves after delivery.

is a very rare inherited condition that can affect several body systems.

is a rare genetic disorder affecting serine production and brain development.