Endocrine diseases are disorders of the endocrine system. The branch of medicine associated with endocrine disorders is known as endocrinology. Hormones are ...

Autoimmune polyglandular syndrome type 2 (APS-2) is a lifelong condition where the body’s immune system mistakenly attacks more than one hormone-making gland ...

Autoimmune Polyendocrine (Polyglandular) Syndrome Type 2 (APS-2) is a lifelong immune system problem in which your body mistakenly attacks more than one ...

Autoimmune polyendocrinopathy type 2 (APS-2) is a condition where a person’s immune system mistakenly attacks more than one hormone-making gland at the same ...

APECED Syndrome (autoimmune-polyendocrinopathy-candidiasis-ectodermal-dystrophy) MEDAC syndrome is an older, shorthand name used by some clinicians for the ...

Hypoparathyroidism–Addison disease–mucocutaneous candidiasis syndrome is most widely known as Autoimmune Polyendocrine/Polyglandular Syndrome type 1 (APS-1) or ...

Autoimmune Polyendocrinopathy Candidiasis-Ectodermal Dystrophy (APECED) is a rare disease that starts in childhood. It happens when a gene called AIRE does not ...

Autoimmune polyendocrinopathy from AIRE mutation is a rare, inherited immune-system disease. It happens when a gene called AIRE (autoimmune regulator) does not ...

AIRE autoimmune polyendocrinopathy—the classic disorder caused by changes (variants) in the AIRE gene and widely known as Autoimmune ...

Autoimmune Polyendocrine Syndrome Type 1 (APS-1) is a rare genetic disease where the body’s immune system mistakenly attacks several hormone-producing glands ...

Athyreosis means a baby is born without any thyroid gland at all. Because the thyroid gland makes thyroid hormone, babies with athyreosis have primary ...

Hypogonadotropic hypogonadism—also called secondary hypogonadism—happens when the brain’s hormone signals are too weak to tell the gonads (testes or ovaries) ...

Glycosylasparaginase deficiency is a rare, inherited disease. It belongs to a group called lysosomal storage disorders. Lysosomes are tiny “recycling centers” ...

Aspartylglucosaminidase (AGA) deficiency is a rare, inherited lysosomal storage disorder. The body lacks enough of an enzyme called aspartylglucosaminidase ...

Aspartylglucosaminuria (AGU) is a rare, inherited condition in which a “recycling” enzyme inside cells—aspartylglucosaminidase (AGA)—does not work properly. ...

Hereditary prepubertal gynecomastia means a boy develops true breast tissue before normal puberty because of an inherited (genetic) reason. The breast tissue ...

Gynecomastia means a benign (non-cancer) growth of true breast gland tissue in a boy or a man. It happens when the balance between estrogen (which stimulates ...

Familial hyperestrogenism is a rare inherited condition where the body makes too much estrogen, even when it should not. The main reason is that an enzyme ...

Aromatase Excess Syndrome (AEXS) is a rare, usually autosomal-dominant genetic condition where the body makes too much aromatase—the enzyme that turns ...

Turner syndrome (TS) is a genetic condition that only affects people who are born with a female body. It happens when all or part of one X chromosome is ...