is a bladder cancer that grows into the bladder lining and wall.

is a rare nerve disorder causing numbness, pain, and balance problems.

is a rare genetic condition causing lifelong balance problems and intellectual disability.

is a rare brain white matter disorder with nerve damage.

is a common, noncancerous breast condition causing lumpy, sometimes tender tissue.

is a birth-related nerve injury causing lasting arm weakness or paralysis.

is excess parathyroid hormone caused by low calcium, vitamin D, or malabsorption.

is a rare genetic disorder affecting bone growth, skin, and eyes.

is a rare spinal birth defect linking the spinal cord and skin.

is a rare multiple myeloma with little or no detectable M protein.

is a fast-growing testicular cancer that often affects younger males.

is an inherited immune disorder causing frequent infections and poor immune defense.

is a usually mild coronavirus infection causing fever, cough, and fatigue.

is a rare autoimmune brainstem inflammation linked to specific antibodies.

is a rare autoimmune brainstem inflammation without a specific known antibody.

is an autoimmune disorder causing balance and coordination problems from cerebellar inflammation.

is an autoimmune balance disorder causing progressive coordination problems without typical antibodies.

is an autoimmune brain inflammation above the tentorium linked to specific antibodies.

is an autoimmune brain inflammation affecting the upper brain, without known antibodies.

is a severe childhood epilepsy causing seizures and developmental problems.

is a lung disease causing inflammation and scarring in lung tissue.

is characterized by intellectual challenges plus other physical, neurological, or sensory features.

is a rare inherited disorder causing ongoing breakdown of red blood cells.

causes fluid buildup behind the eardrum without signs of ear infection.