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.
But, for some, it irritates the scalp and can cause more skin cells to grow. The extra skin cells die and fall off, making them appear white and flaky in your hair or on your clothes. Why malassezia irritates some scalps isn't known. Dry skin. Flakes from dry skin are generally smaller and less oily than those from other causes of dandruff.