flag sign


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.

flag sign

bands of discoloration of hair (reddish, blond, or gray, depending on original color) resulting from fluctuations in nutrition characteristic of kwashiorkor and in diseases with protein depletion such as ulcerative colitis.
The presence of sharply demarcated alternating bands of pigmented and depigmented as well as thicker and thinner hair, evidence of intermittent malnutrition, which is seen in kwashiorkor or marasmus type malnutrition, or, rarely, postchemotherapy—e.g., with methotrexate—alcoholism and other conditions

flag sign

A peculiar change in hair color in which the hair becomes discolored in a band perpendicular to its long axis. This is seen in kwashiorkor and indicates a period of severe malnutrition.
See also: sign