Disease Directory

Arenavirus hemorrhagic fever is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited.

Arginase deficiency is an inherited disorder of the urea cycle, the body’s pathway for removing excess nitrogen, that primarily affects the liver, bra...

Argininosuccinic aciduria is a metabolic disorder affecting the urea cycle that disrupts the body’s ability to remove ammonia, a toxic byproduct of pr...

Argyria is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited. It is characterized by irrev...

Arhinia, choanal atresia, and microphthalmia is a very rare multisystem condition that primarily affects development of the nose, eyes, and midface. I...

Aromatase deficiency is an inherited endocrine condition that interferes with the body’s ability to convert androgens into estrogens, affecting reprod...

Aromatase excess syndrome is a rare genetic endocrine condition characterized by increased estrogen levels due to elevated extraglandular aromatase ac...

Aromatic L-amino acid decarboxylase deficiency (often called AADC deficiency) is a very rare neurometabolic condition that disrupts the brain’s abilit...

Arrhinia is an extremely rare condition. Because few cases have been documented, detailed clinical information is limited. It is characterized by the...

Arrhythmogenic cardiomyopathy with wooly hair and keratoderma is a very rare inherited disorder that affects both the heart and the skin-hair system....

Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a heart muscle disease that primarily affects the right ventricle, where normal myocardial t...

Arrhythmogenic right ventricular dysplasia 1 is a type of cardiomyopathy that mainly affects the right ventricle. It is caused by mutations in the TGF...

Arrhythmogenic right ventricular dysplasia 10 is a cardiac condition that primarily affects the right ventricle, leading to disturbances in the heart'...

Arrhythmogenic right ventricular dysplasia 11 is a genetic heart condition that affects the structure and electrical function of the right ventricle....

Arrhythmogenic right ventricular dysplasia 12 is a familial heart muscle disorder that primarily affects the right ventricle, leading to abnormal elec...

Arrhythmogenic right ventricular dysplasia 13 is a condition affecting the heart’s right ventricle, leading to structural changes and electrical condu...

Arrhythmogenic right ventricular dysplasia 3 is a condition affecting the heart, particularly the right ventricle, and is characterized by abnormal de...

Arrhythmogenic right ventricular dysplasia 4 is a heart condition that affects the structure of the right ventricle. It is defined by abnormalities in...

Arrhythmogenic right ventricular dysplasia 5 is a cardiac condition characterized by structural abnormalities of the right ventricle and is caused by...

Arrhythmogenic right ventricular dysplasia 6 is a cardiac condition affecting the structure and function of the heart's right ventricle, leading to ab...