intravenous pyelography (IVP) a radiographic technique for examining the structure and function of the urinary system. A contrast medium is injected intravenously, and serial x-ray films are taken as the medium is cleared from the blood by the kidneys.
Frequently this is caused by undiagnosed scalp dandruff that is causing problems downstream on the face. Dandruff can be located in areas of the body with hair follicles. It is most typically found on the scalp, ears, face, and middle of the chest. Seborrhea is not seen on the palms and soles where there are no hair follicles. Medically Reviewed by a Doctor on 8/13/2015.
Know and understand the causes of that itchy, flaky scalp. What is dandruff and what causes it? Dandruff is a common scalp condition marked by white or yellowish flakes of dead skin cells. Dandruff doesnât discriminate and can affect people of all ages, though itâs more frequent in men and people with oily skin.