Pheochromocytoma Quiz

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Hidetaka Hamasaki, MD (Endocrinology)

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Learn more about Pheochromocytoma

Content updated on Sep 20, 2022

What is pheochromocytoma?

Pheochromocytoma is a rare and usually benign tumour that grows in your adrenal gland. Your adrenal glands are small triangular organs, located above your kidneys, which are responsible for producing hormones that regulate your blood pressure, metabolism and body reactions in stressed states. Pheochromocytomas are usually caused by genetic mutations and are associated with hereditary syndromes.

Symptoms of pheochromocytoma

  • Sweating at night requiring change in clothing

  • Pale looking

  • Headache

  • Feeling breathless

  • Feel lightheaded

Questions your doctor may ask to check for pheochromocytoma

Your doctor may ask these questions to diagnose pheochromocytoma

  • Do you sweat so much at night that you need to change clothes?

  • Do you look more pale, wan or sickly than usual?

  • Do you have headaches or does your head feel heavy?

  • Are you breathless or having hard time breathing?

  • Have you had any lightheadedness recently?

Treatment for pheochromocytoma

The mainstay of treatment for pheochromocytomas is surgical removal of the tumour. Medications to control your blood pressure might also be prescribed.

View the symptoms of Pheochromocytoma


  • Farrugia FA, Charalampopoulos A. Pheochromocytoma. Endocr Regul. 2019 Jul 1;53(3):191-212. doi: 10.2478/enr-2019-0020. PMID: 31517632.

  • Naranjo J, Dodd S, Martin YN. Perioperative Management of Pheochromocytoma. J Cardiothorac Vasc Anesth. 2017 Aug;31(4):1427-1439. doi: 10.1053/j.jvca.2017.02.023. Epub 2017 Feb 4. PMID: 28392094.

  • Manger WM, Gifford RW. Pheochromocytoma. J Clin Hypertens (Greenwich). 2002 Jan-Feb;4(1):62-72. doi: 10.1111/j.1524-6175.2002.01452.x. PMID: 11821644; PMCID: PMC8099329.

  • Zini E, Nolli S, Ferri F, Massari F, Gerardi G, Nicoli S, Romanelli G, Montinaro V, Trez D, Cavicchioli L, Ferro S. Pheochromocytoma in Dogs Undergoing Adrenalectomy. Vet Pathol. 2019 May;56(3):358-368. doi: 10.1177/0300985818819174. Epub 2018 Dec 30. PMID: 30595108.

  • Reisch N, Peczkowska M, Januszewicz A, Neumann HP. Pheochromocytoma: presentation, diagnosis and treatment. J Hypertens. 2006 Dec;24(12):2331-9. doi: 10.1097/01.hjh.0000251887.01885.54. PMID: 17082709.,_diagnosis_and.1.aspx

Reviewed By:

Hidetaka Hamasaki

Hidetaka Hamasaki, MD (Endocrinology)

From our team of 50+ doctors

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