{"corpus_id":202022311,"paper_sha":"aed266f4c3fad9d3669e6ab2a4979a93089abdc1","doi":"10.1530/ERC-19-0240","arxiv_id":null,"pmid":32053747,"pmcid":null,"mag_id":2967723434,"dblp_id":null,"acl_id":null,"title":"Diagnosis and management of primary bilateral macronodular adrenal hyperplasia","year":2019,"publication_date":"2019-10-01","venue":"Endocrine-Related Cancer","journal":{"name":"Endocrine-related cancer","pages":"\n          R567–R581\n        ","volume":"26 10"},"journal_issn":null,"journal_title":null,"publication_types":["JournalArticle"],"pubmed_pub_types":["Journal Article","Review"],"s2_fields_of_study":["Medicine"],"reference_count":112,"citation_count":56,"influential_citation_count":8,"is_open_access":true,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":[{"d":"Adrenal Glands","mj":false,"qs":[{"q":"metabolism","mj":false,"ui":"Q000378"},{"q":"pathology","mj":true,"ui":"Q000473"},{"q":"surgery","mj":false,"ui":"Q000601"}],"ui":"D000311"},{"d":"Adrenalectomy","mj":false,"qs":[{"q":"adverse effects","mj":false,"ui":"Q000009"},{"q":"methods","mj":false,"ui":"Q000379"}],"ui":"D000315"},{"d":"Adrenocorticotropic Hormone","mj":false,"qs":[{"q":"metabolism","mj":false,"ui":"Q000378"}],"ui":"D000324"},{"d":"Armadillo Domain Proteins","mj":false,"qs":[{"q":"genetics","mj":false,"ui":"Q000235"}],"ui":"D051186"},{"d":"Cushing Syndrome","mj":false,"qs":[{"q":"diagnosis","mj":true,"ui":"Q000175"},{"q":"genetics","mj":false,"ui":"Q000235"},{"q":"pathology","mj":false,"ui":"Q000473"},{"q":"therapy","mj":true,"ui":"Q000628"}],"ui":"D003480"},{"d":"Humans","mj":false,"ui":"D006801"},{"d":"Hydrocortisone","mj":false,"qs":[{"q":"metabolism","mj":false,"ui":"Q000378"},{"q":"urine","mj":false,"ui":"Q000652"}],"ui":"D006854"},{"d":"Hyperplasia","mj":false,"ui":"D006965"},{"d":"Phenotype","mj":false,"ui":"D010641"},{"d":"Receptors, G-Protein-Coupled","mj":false,"qs":[{"q":"metabolism","mj":false,"ui":"Q000378"}],"ui":"D043562"}],"chemicals":[{"n":"ARMC5 protein, human","ui":"C000590373","reg":"0"},{"n":"Armadillo Domain Proteins","ui":"D051186","reg":"0"},{"n":"Receptors, G-Protein-Coupled","ui":"D043562","reg":"0"},{"n":"Adrenocorticotropic Hormone","ui":"D000324","reg":"9002-60-2"},{"n":"Hydrocortisone","ui":"D006854","reg":"WI4X0X7BPJ"}],"comments_corrections":null,"source_flags":5,"s2_open_access_pdf_url":"https://erc.bioscientifica.com/downloadpdf/journals/erc/26/10/ERC-19-0240.pdf","s2_open_access_landing_url":"https://www.semanticscholar.org/paper/aed266f4c3fad9d3669e6ab2a4979a93089abdc1","s2_open_access_license":null,"s2_open_access_status":"BRONZE","pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"Primary bilateral macronodular adrenal hyperplasia (PBMAH) is a highly heterogeneous entity. The incidental identification of an increasing number of cases has shifted its clinical expression from the rarely encountered severe forms, regarding both cortisol excess and adrenal enlargement, to mild forms of asymptomatic or oligosymptomatic cases with less impressive imaging phenotypes. Activation of cAMP/PKA pathway, either due to alterations of the different downstream signaling pathways or through aberrantly expressed G-protein-coupled receptors, relates to both cortisol secretion and adrenal growth. Germline ARMC5 mutations are a frequent genetic defect. The diagnostic approach consists of both imaging and hormonal characterization. Imaging characterization should be done separately for each lesion. Endocrine evaluation in cases with clinically overt Cushing’s syndrome (CS) is similar to that applied for all forms of CS. In incidentally detected PBMAH, hormonal evaluation includes testing for primary aldosteronism, pheochromocytoma and evaluation for autonomous cortisol secretion, using the 1 mg overnight dexamethasone suppression test. Midnight cortisol or 24-h urinary free cortisol may aid in establishing the degree of cortisol excess. In patients with hypercortisolism, ACTH levels should be measured in order to establish ACTH independency. At variance with other forms of CS, PBMAH may be characterized by a distinct pattern of inefficient steroidogenesis. The appropriate management of PBMAH remains controversial. Bilateral adrenalectomy results in lifetime steroid dependency and is better reserved only for patients with severe CS. Unilateral adrenalectomy might be considered in selected patients. 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