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 it can affect the skin of your head (scalp), causing grey /white flakes of dead skin in the hair or scalp. Dandruff and hair loss (including for thinning of hair) donât share the same cause. Again, dandruff is a skin problem. And thinning hair is a kind of hair loss. Interestingly, you are also likely to lose some of dandruff as you lose your hair. Furthermore, excess dandruff can lead to dry, itchy scalp. And if you often scratch it, this may cause more hair follicles to fall out, causing thinning hair.