Johns Hopkins Diabetes Guide
Pheochromocytoma
DEFINITION
- Pheochromocytoma is a rare but potentially life-threatening cause of secondary diabetes
- Pheochromoctyomas are catecholamine-producing neuroendocrine tumors that arise from chromaffin cells of the adrenal medulla or extra-adrenal paraganglia.[6]
- Extra-adrenal chromaffin tissue tumors are referred to as paragangliomas or extra-adrenal pheochromocytomas.[6]
- 80-85% of pheochromocytomas originate from the adrenal medulla, and 15-20% arise from paragangliomas. [6][17]
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Last updated: July 7, 2020
Citation
Giles, Monica, and Douglas Ball. "Pheochromocytoma." Johns Hopkins Diabetes Guide, The Johns Hopkins University, 2020. Johns Hopkins Guides, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Diabetes_Guide/547182/0/Pheochromocytoma.
Giles M, Ball D. Pheochromocytoma. Johns Hopkins Diabetes Guide. The Johns Hopkins University; 2020. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Diabetes_Guide/547182/0/Pheochromocytoma. Accessed November 4, 2025.
Giles, M., & Ball, D. (2020). Pheochromocytoma. In Johns Hopkins Diabetes Guide. The Johns Hopkins University. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Diabetes_Guide/547182/0/Pheochromocytoma
Giles M, Ball D. Pheochromocytoma [Internet]. In: Johns Hopkins Diabetes Guide. The Johns Hopkins University; 2020. [cited 2025 November 04]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Diabetes_Guide/547182/0/Pheochromocytoma.
* Article titles in AMA citation format should be in sentence-case
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PB - The Johns Hopkins University
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