An intravenous pyelogram may be used to diagnose disorders that affect the urinary tract, such as kidney stones, bladder stones, enlarged prostate, kidney cysts or urinary tract tumors. During an intravenous pyelogram, you'll have an X-ray dye (iodine contrast solution) injected into a vein in your arm. The dye flows into your kidneys, ureters and bladder, outlining each of these structures.
By Mayo Clinic Staff. Here are some of the most common causes of true under-eye circles. 1  Allergies. 2  Atopic dermatitis (eczema) 3  Contact dermatitis. 4  Fatigue.  Heredity â dark under-eye circles can run in families.
Alcohol and dairy are said to be the main causes for spots in this area as well as reactions to food allergies. Consult your doctor first if you are worried about intolerance but otherwise. Zones 4, 6, 8 and 10: Kidneys Spots close to your ear and even dark circles around the eyes can be caused by dehydration. Make sure you keep well hydrated throughout the day by drinking, at least, eight glasses of water a day and avoiding coffee, tea and salt whenever possible.