Pheochromocytoma: Clinical Manifestations and Management
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Questions and Answers

What is a key clinical manifestation that differentiates pheochromocytoma from other conditions?

  • Weight gain
  • Low blood pressure
  • Episodes of severe unexplained hypertension (correct)
  • Cold hands and feet

What is the sensitivity of a 24-hour urine metanephrine test for diagnosing pheochromocytoma?

  • 86% (correct)
  • 99.7%
  • 100%
  • 50%

Which imaging modality is preferred as the first choice for diagnosing pheochromocytoma?

  • CT of the chest
  • MRI of the abdomen
  • CT of the abdomen and pelvis (correct)
  • X-ray of the skull

What is the most common genetic testing performed in patients with pheochromocytoma?

<p>Testing for pheochromocytoma and paraganglioma (PPGL) mutations (D)</p> Signup and view all the answers

What is the preferred choice of treatment for pheochromocytoma?

<p>Surgical resection (D)</p> Signup and view all the answers

What is the first medication that should be started in preoperative preparation for a patient with adrenal insufficiency?

<p>Phenoxybenzamine (A)</p> Signup and view all the answers

What symptoms are indicative of an acute crisis in primary adrenal insufficiency?

<p>Nausea and vomiting (B)</p> Signup and view all the answers

Which diagnostic test is used to assess adrenal function by evaluating the response of cortisol levels to Cosyntropin administration?

<p>ACTH stimulation test (D)</p> Signup and view all the answers

Which medication is used in the acute management of adrenal crisis with a dose of 100 mg IV initially followed by 200 mg/day divided into 4 doses?

<p>Hydrocortisone (D)</p> Signup and view all the answers

Which lab findings would suggest a diagnosis of mineralocorticoid deficiency in primary adrenal insufficiency?

<p>High renin and aldosterone levels (C)</p> Signup and view all the answers

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