Pituitary tumors are abnormal growths found in the pituitary gland, a small organ about the size of a pea in the center of the brain - which makes hormones that affect your growth and the functions of other glands in your body.

Causes:

• cushing's disease - in which fat to build up in the face, back, and chest, and the arms and legs to become very thin.

Symptoms:

• Headaches
• Vision problems
• Visual disturbances
• Nausea
• Vomiting
• To much sugar in the blood
• Weak muscles and bones
• Flushed face 
• High blood pressure

Treatments:

• Surgery
• Radiation Therapy - should be considered if either medical therapy or surgery is ineffective in reducing proclatin levels or tumor size.
• Drugs therapy
• Hormone supplements