Pheochromocytoma

(Pheo; Adrenal Gland Tumor; Pheochromocytosis)

Definition

Pheochromocytoma is a tumor. It is made up of special adrenal gland cells. The cells secrete hormones such as epinephrine and norepinephrine. These hormones help to regulate the heart rate and blood pressure. The cells may secrete excessive amounts of the hormones. This results in periods of:Most of these tumors are benign and grow on the adrenal glands, which are located on top of the kidneys. Other tumors occur elsewhere in the body.
Adrenal Glands
Nucleus factsheet image
Copyright © Nucleus Medical Media, Inc.

Causes

In most cases, pheochromocytoma has no known cause. In others, it is caused by a genetic mutation.

Risk Factors

Factors that may increase your chance of pheochromocytoma include:
  • A family history
  • Tumors in other glands of the body
  • Hormonal disorders
Genetic diseases associated with pheochromocytoma include:

Symptoms

Most people don't have symptoms. In people who have them, pheochromocytoma may cause:
  • Severe headaches
  • Excessive sweating
  • Fast heart rate
  • Sensation of a panic attack
  • Blurred vision
  • Nausea, vomiting, constipation
  • Pounding heart beat
  • Chest pain
  • Involuntary trembling
  • Pain in the lower chest or upper abdomen
  • Warmth, flushing
  • Increased appetite
  • Weight loss
  • Insomnia
  • High blood pressure, which can be constant or sporadic
  • Tingling, burning, or numbness in the legs and feet
  • Shortness of breath
  • Muscle weakness
  • Anxiety
  • Unable to cope with high temperature
  • Aggressive or unusual behavior

leave comments
0
Did you like this? Share with your family and friends.
Related Topics:
Current Research From Top Journals



July 2015

A randomized trial found that fecal microbiota transplantation had a higher rate of remission in patients with active ulcerative colitis than those who recieved placebo. Fecal transplantation is believed to help the intestine develop a healthy balance of bacteria in the gut which can help the intestine recover and function more effectively.

dot separator
previous editions


June 2015


May 2015

Chewing Gum After Surgery May Improve Digestive Tract Recovery
April 2015

dashed separator

Advertisement

Our Free Newsletter
click here to see all of our uplifting newsletters »

 

Advertisement

Advertisement

DiggDeliciousNewsvineRedditStumbleTechnoratiFacebook