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.
A dark spot refers to a hyper-pigmentation of the skin commonly occurring in middle aged women. Dark spots, aka pigmentations, occur when a localized patch of melanin produced accumulates on a specific area on the skin. It can be located on the forehead, face or cheek bone area. Some dark spots could mean serious skin problems and thus you should consult a dermatologist if you become suspicious. What are Signs and Symptoms of Dark Spots?