What is granuloma annulare?. Granuloma annulare (GA) is a common inflammatory skin condition typified clinically by annular, smooth, discoloured papules and plaques, and necrobiotic granulomas on histology.Granuloma annulare is more correctly known as necrobiotic papulosis. Who gets granuloma annulare? Granuloma annulare is seen most commonly on the skin of children, teenagers, or young adults.

