{"id":1477,"date":"2024-02-16T04:20:58","date_gmt":"2024-02-16T04:20:58","guid":{"rendered":"https:\/\/medinaz.com\/blog\/?p=1477"},"modified":"2024-02-16T04:21:00","modified_gmt":"2024-02-16T04:21:00","slug":"acromegaly-usmle-notes","status":"publish","type":"post","link":"https:\/\/medinaz.com\/blog\/2024\/02\/16\/acromegaly-usmle-notes\/","title":{"rendered":"Acromegaly USMLE Notes"},"content":{"rendered":"\n<p>Acromegaly USMLE Notes &amp; mnemonics contains all the high-yield points you need to know.<\/p>\n\n\n\n<h2>Definition:<\/h2>\n\n\n\n<ul><li><strong>Acromegaly<\/strong>: A rare hormonal disorder caused by excess growth hormone (GH) production, usually due to a pituitary adenoma. (<a href=\"https:\/\/www.niddk.nih.gov\/health-information\/endocrine-diseases\/acromegaly\" target=\"_blank\" rel=\"noreferrer noopener\">Ref<\/a>)<\/li><\/ul>\n\n\n\n<h2>Pathophysiology:<\/h2>\n\n\n\n<ul><li><strong>GH Hypersecretion<\/strong>: Leads to liver producing more Insulin-Like Growth Factor 1 (IGF-1), promoting growth of bones and soft tissues.<\/li><li><strong>Pituitary Adenoma<\/strong>: Most common cause.<\/li><\/ul>\n\n\n\n<h2>Epidemiology:<\/h2>\n\n\n\n<ul><li>Typically diagnosed in middle-aged adults.<\/li><li>Rare, with an incidence of about 3 per million per year.<\/li><\/ul>\n\n\n\n<h2>Clinical Features:<\/h2>\n\n\n\n<ul><li><strong>Enlarged Hands and Feet<\/strong><\/li><li><strong>Coarse Facial Features<\/strong>: Prognathism, enlarged nose, lips, and tongue.<\/li><li><strong>Macroglossia<\/strong><\/li><li><strong>Sweating and Skin Tags<\/strong><\/li><li><strong>Joint Pain and Arthritis<\/strong><\/li><li><strong>Carpal Tunnel Syndrome<\/strong><\/li><li><strong>Hypertension, Cardiomegaly<\/strong><\/li><li><strong>Impaired Glucose Tolerance\/Diabetes<\/strong><\/li><\/ul>\n\n\n\n<h2>Diagnosis:<\/h2>\n\n\n\n<ul><li><strong>Elevated IGF-1 Levels<\/strong>: Reflects integrated GH levels.<\/li><li><strong>Oral Glucose Tolerance Test (OGTT)<\/strong>: Lack of GH suppression after glucose administration confirms diagnosis.<\/li><li><strong>MRI of the Pituitary Gland<\/strong>: To detect adenoma.<\/li><\/ul>\n\n\n\n<h2>Management:<\/h2>\n\n\n\n<ul><li><strong>Transsphenoidal Surgery<\/strong>: First-line for pituitary adenomas.<\/li><li><strong>Somatostatin Analogs (e.g., Octreotide, Lanreotide)<\/strong>: Reduce GH production.<\/li><li><strong>GH Receptor Antagonists (e.g., Pegvisomant)<\/strong>: Block GH effects.<\/li><li><strong>Dopamine Agonists (e.g., Cabergoline)<\/strong>: Reduce GH in some patients.<\/li><li><strong>Radiation Therapy<\/strong>: For uncontrolled cases after surgery and medications.<\/li><\/ul>\n\n\n\n<h2>Complications:<\/h2>\n\n\n\n<ul><li><strong>Cardiovascular Disease<\/strong><\/li><li><strong>Sleep Apnea<\/strong><\/li><li><strong>Colon Polyps and Increased Risk of Colorectal Cancer<\/strong><\/li><li><strong>Hypopituitarism<\/strong> (post-treatment)<\/li><\/ul>\n\n\n\n<h2>Prognosis:<\/h2>\n\n\n\n<ul><li>Normal life expectancy if adequately treated; increased mortality if untreated, primarily due to cardiovascular complications.<\/li><\/ul>\n\n\n\n<h2>Mnemonic: \u201c<span class=\"has-inline-color has-vivid-red-color\">ACRO-MEGALY<\/span>\u201d<\/h2>\n\n\n\n<ul><li><strong><span class=\"has-inline-color has-vivid-red-color\">A<\/span><\/strong>dults (commonly middle-aged)<\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">C<\/span><\/strong>oarse facial features<\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">R<\/span><\/strong>ing size increases (enlarged hands)<\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">O<\/span><\/strong>rganomegaly (heart, liver, etc.)<\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">M<\/span><\/strong>acroglossia<\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">E<\/span><\/strong>nlarged feet<\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">G<\/span><\/strong>rowth hormone excess<\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">A<\/span><\/strong>rthralgia<\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">L<\/span><\/strong>anreotide &amp; Octreotide (treatment options)<\/li><li><strong><span class=\"has-inline-color has-vivid-red-color\">Y<\/span><\/strong>ou see pituitary adenoma on MRI<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" width=\"500\" height=\"500\" src=\"https:\/\/medinaz.com\/blog\/wp-content\/uploads\/2024\/02\/Acromegaly-mnemonic.jpg\" alt=\"Acromegaly mnemonic\" class=\"wp-image-1579\" srcset=\"https:\/\/medinaz.com\/blog\/wp-content\/uploads\/2024\/02\/Acromegaly-mnemonic.jpg 500w, https:\/\/medinaz.com\/blog\/wp-content\/uploads\/2024\/02\/Acromegaly-mnemonic-300x300.jpg 300w, https:\/\/medinaz.com\/blog\/wp-content\/uploads\/2024\/02\/Acromegaly-mnemonic-150x150.jpg 150w, https:\/\/medinaz.com\/blog\/wp-content\/uploads\/2024\/02\/Acromegaly-mnemonic-370x370.jpg 370w, https:\/\/medinaz.com\/blog\/wp-content\/uploads\/2024\/02\/Acromegaly-mnemonic-45x45.jpg 45w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption><strong><span class=\"has-inline-color has-black-color\">Acromegaly mnemonic<\/span><\/strong><\/figcaption><\/figure><\/div>\n\n\n\n<h2>Chart: Diagnostic Approach to Acromegaly<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Test<\/th><th>Purpose<\/th><th>Expected Finding<\/th><\/tr><\/thead><tbody><tr><td>IGF-1 Level<\/td><td>Screening test<\/td><td>Elevated<\/td><\/tr><tr><td>Oral Glucose Tolerance Test<\/td><td>Confirmatory test<\/td><td>Failure to suppress GH<\/td><\/tr><tr><td>MRI of Pituitary<\/td><td>Identify adenoma<\/td><td>Pituitary adenoma visible<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Note<\/strong>: For the USMLE, focus on the classic presentation of acromegaly, including its insidious onset and distinctive physical changes. Recognize the importance of IGF-1 and OGTT in diagnosis and understand the first-line treatments and their purposes. Be aware of the complications and the need for lifelong follow-up due to the risk of tumor recurrence and development of comorbid conditions.<\/p>\n\n\n\n<p>Check other important <a href=\"https:\/\/medinaz.com\/blog\/category\/medical-notes\/usmle\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>USMLE Notes<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Acromegaly USMLE Notes &amp; mnemonics contains all the high-yield points you need to know. Definition: Acromegaly: A rare hormonal disorder caused by excess growth hormone (GH) production, usually due to a pituitary adenoma. (Ref) Pathophysiology: GH Hypersecretion: Leads to liver producing more Insulin-Like Growth Factor 1 (IGF-1), promoting growth of bones and soft tissues. Pituitary<\/p>\n","protected":false},"author":1,"featured_media":1578,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ub_ctt_via":""},"categories":[43,245],"tags":[266,244],"featured_image_src":"https:\/\/medinaz.com\/blog\/wp-content\/uploads\/2024\/02\/Acromegaly-USMLE-Notes.jpg","author_info":{"display_name":"Medinaz Academy","author_link":"https:\/\/medinaz.com\/blog\/author\/medinaz-blog-admin\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Acromegaly USMLE Notes<\/title>\n<meta name=\"description\" content=\"Acromegaly USMLE Notes contains all the high-yield points covering pathophysiology, clinical features, diagnosis &amp; treatment\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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