Primary macronodular adrenal hyperplasia
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Primary macronodular adrenal hyperplasia (PMAH) is a disorder characterised by multiple lumps (nodules) in the adrenal glands, which are small hormone-producing glands located on top of each kidney. These nodules, which usually are found in both adrenal glands (bilateral) and vary in size, cause adrenal gland enlargement (hyperplasia) and result in the production of higher-than-normal levels of the hormone cortisol. Cortisol is an important hormone that suppresses inflammation and protects the body from physical stress such as infection or trauma through several mechanisms including raising levels of blood glucose, also called blood sugar.
Descrição
Primary macronodular adrenal hyperplasia (PMAH) is a disorder characterised by multiple lumps (nodules) in the adrenal glands, which are small hormone-producing glands located on top of each kidney. These nodules, which usually are found in both adrenal glands (bilateral) and vary in size, cause adrenal gland enlargement (hyperplasia) and result in the production of higher-than-normal levels of the hormone cortisol. Cortisol is an important hormone that suppresses inflammation and protects the body from physical stress such as infection or trauma through several mechanisms including raising levels of blood glucose, also called blood sugar.
PMAH typically becomes evident in a person's forties or fifties. It is considered a form of Cushing syndrome, which is characterised by increased levels of cortisol resulting from one of many possible causes. These increased cortisol levels lead to weight gain in the face and upper body, fragile skin, bone loss, fatigue, and other health problems. However, some people with PMAH do not experience these signs and symptoms and are said to have subclinical Cushing syndrome.
Padrões de herança
The source lists the following possible inheritance patterns: Not inherited; Autosomal dominant. More than one pattern can apply in different cases.
Related genes
Other names
ACTH-independent macronodular adrenal hyperplasia
ACTH-independent macronodular adrenocortical hyperplasia
Adrenal Cushing syndrome due to AIMAH
Adrenocorticotropic hormone-independent macronodular adrenal hyperplasia
AIMAH
Corticotropin-independent macronodular adrenal hyperplasia
PMAH
Primary bilateral macronodular adrenal hyperplasia
Related patient information and medicines
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Síndrome de Cushing
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Menstruação atrasada
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Hiperplasia adrenal congênita
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Distúrbios da glândula pituitária
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Esteroides orais
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Leitura adicional e referências
- Primary macronodular adrenal hyperplasia; MedlinePlus, National Library of Medicine.
- Alencar GA, Lerario AM, Nishi MY, Mariani BM, Almeida MQ, Tremblay J, Hamet P, Bourdeau I, Zerbini MC, Pereira MA, Gomes GC, Rocha Mde S, Chambo JL, Lacroix A, Mendonca BB, Fragoso MC. ARMC5 mutations are a frequent cause of primary macronodular adrenal Hyperplasia. J Clin Endocrinol Metab. 2014 Aug;99(8):E1501-9. doi: 10.1210/jc.2013-4237. Epub 2014 Apr 7.
- Assie G, Libe R, Espiard S, Rizk-Rabin M, Guimier A, Luscap W, Barreau O, Lefevre L, Sibony M, Guignat L, Rodriguez S, Perlemoine K, Rene-Corail F, Letourneur F, Trabulsi B, Poussier A, Chabbert-Buffet N, Borson-Chazot F, Groussin L, Bertagna X, Stratakis CA, Ragazzon B, Bertherat J. ARMC5 mutations in macronodular adrenal hyperplasia with Cushing's syndrome. N Engl J Med. 2013 Nov 28;369(22):2105-14. doi: 10.1056/NEJMoa1304603.
- De Venanzi A, Alencar GA, Bourdeau I, Fragoso MC, Lacroix A. Primary bilateral macronodular adrenal hyperplasia. Curr Opin Endocrinol Diabetes Obes. 2014 Jun;21(3):177-84. doi: 10.1097/MED.0000000000000061.
- Elbelt U, Trovato A, Kloth M, Gentz E, Finke R, Spranger J, Galas D, Weber S, Wolf C, Konig K, Arlt W, Buttner R, May P, Allolio B, Schneider JG. Molecular and clinical evidence for an ARMC5 tumor syndrome: concurrent inactivating germline and somatic mutations are associated with both primary macronodular adrenal hyperplasia and meningioma. J Clin Endocrinol Metab. 2015 Jan;100(1):E119-28. doi: 10.1210/jc.2014-2648.
- Faucz FR, Zilbermint M, Lodish MB, Szarek E, Trivellin G, Sinaii N, Berthon A, Libe R, Assie G, Espiard S, Drougat L, Ragazzon B, Bertherat J, Stratakis CA. Macronodular adrenal hyperplasia due to mutations in an armadillo repeat containing 5 (ARMC5) gene: a clinical and genetic investigation. J Clin Endocrinol Metab. 2014 Jun;99(6):E1113-9. doi: 10.1210/jc.2013-4280. Epub 2014 Mar 6.
- Fragoso MC, Domenice S, Latronico AC, Martin RM, Pereira MA, Zerbini MC, Lucon AM, Mendonca BB. Cushing's syndrome secondary to adrenocorticotropin-independent macronodular adrenocortical hyperplasia due to activating mutations of GNAS1 gene. J Clin Endocrinol Metab. 2003 May;88(5):2147-51. doi: 10.1210/jc.2002-021362.
- Gagliardi L, Schreiber AW, Hahn CN, Feng J, Cranston T, Boon H, Hotu C, Oftedal BE, Cutfield R, Adelson DL, Braund WJ, Gordon RD, Rees DA, Grossman AB, Torpy DJ, Scott HS. ARMC5 mutations are common in familial bilateral macronodular adrenal hyperplasia. J Clin Endocrinol Metab. 2014 Sep;99(9):E1784-92. doi: 10.1210/jc.2014-1265. Epub 2014 Jun 6.
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