Phaeochromocytoma
Phaeochromocytoma
Phaeochromocytoma (pronounced: fee-o-kro-mo-si-to-ma) is a rare, usually benign, tumour that develops in the adrenal glands. These tumours secrete excessive amounts of catecholamines, which are hormones that regulate heart rate, metabolism, and blood pressure.
Etymology
The term "Phaeochromocytoma" is derived from the Greek words "phaeos" meaning dusky, "chroma" meaning color, and "cytoma" meaning tumour. This refers to the dark color these tumours can have when stained with chromium salts.
Symptoms
Symptoms of Phaeochromocytoma can include high blood pressure, rapid heartbeat, excessive sweating, severe headaches, and anxiety attacks. These symptoms are due to the excessive secretion of catecholamines by the tumour.
Diagnosis
Diagnosis of Phaeochromocytoma often involves blood and urine tests to measure levels of catecholamines and their metabolites. Imaging tests such as CT scans or MRI may also be used to locate the tumour.
Treatment
Treatment for Phaeochromocytoma usually involves surgical removal of the tumour. Medications may also be used to manage symptoms and control blood pressure before and after surgery.
Related Terms
External links
- Medical encyclopedia article on Phaeochromocytoma
- Wikipedia's article - Phaeochromocytoma
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