Pheochromocytoma: Difference between revisions

(Tintitanillis is a "given" and should be referenced by specific fact)
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==Management==
==Management==
*Alpha blockade with phenoxybenzamine or phentolamine acutely
*Alpha blockade with phenoxybenzamine or phentolamine acutely<ref>WJ Elliott, J Varon. Drugs used for the treatment of hypertensive emergencies. In: UpToDate, Post TW (Ed), UpToDate, Waltham, MA. (Accessed on January 11, 2016.)</ref>
*Beta blockade can be started 2 days later
*Beta blockade can be started 2 days later
*Eventual surgical resection of tumor
*Eventual surgical resection of tumor
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<references/>
<references/>
*1. Garg, M., Brar, K., Mittal, R., Kharb, S., & Gundgurthi, A. (2011). Medical management of pheochromocytoma: Role of the endocrinologist. Indian Journal Of Endocrinology And Metabolism, 15(8), 329. http://dx.doi.org/10.4103/2230-8210.86976
*1. Garg, M., Brar, K., Mittal, R., Kharb, S., & Gundgurthi, A. (2011). Medical management of pheochromocytoma: Role of the endocrinologist. Indian Journal Of Endocrinology And Metabolism, 15(8), 329. http://dx.doi.org/10.4103/2230-8210.86976
*2. WJ Elliott, J Varon. Drugs used for the treatment of hypertensive emergencies. In: UpToDate, Post TW (Ed), UpToDate, Waltham, MA. (Accessed on January 11, 2016.)

Revision as of 12:38, 12 January 2016

Background

  • Rare tumor arising from chromaffin cells in adrenal medulla or other paraganglia in the body
  • Increased catecholamine production leading to its clinical manifestations

Clinical Features

  • Headache
  • Alternating periods of normal and elevated blood pressure, and can cause resistant hypertension and hypertensive emergency
  • Tachycardia
  • Flushed skin
  • Palpitations
  • Diaphoresis
  • Weight loss

Differential Diagnosis

Hypertension

Diagnosis

  • Plasma free metanephrines
  • Urinary fractionated metanephrines
  • CT imaging to localize tumor
  • General lab features include hyperglycemia, hypercalcemia, and erythrocytosis

Management

  • Alpha blockade with phenoxybenzamine or phentolamine acutely[1]
  • Beta blockade can be started 2 days later
  • Eventual surgical resection of tumor

Disposition

  • Admission to a monitored setting

See Also

External Links

References

  1. WJ Elliott, J Varon. Drugs used for the treatment of hypertensive emergencies. In: UpToDate, Post TW (Ed), UpToDate, Waltham, MA. (Accessed on January 11, 2016.)
  • 1. Garg, M., Brar, K., Mittal, R., Kharb, S., & Gundgurthi, A. (2011). Medical management of pheochromocytoma: Role of the endocrinologist. Indian Journal Of Endocrinology And Metabolism, 15(8), 329. http://dx.doi.org/10.4103/2230-8210.86976