Definition of Rosacea
Dermatology Acne Vulgaris / Rosacea Rosacea--Definition


Rosacea
John L. Bezzant, M.D.

I. A. Definition: L. rosaceous, rosy.
Rosacea is a syndrome of unknown etiology involving the skin and the eyes. It ranges from repeated intense flushing to larger cystic lesions involving mainly facial skin.
Age: 30-50
Race: Whites, occasionally in Blacks
Season: Late spring, summer
Lesions:
   Stage 1: frequent episodes of flushing
   Stage 2: persistent erythema and telangiectases
   Stage 3: papules and pustules (occasionally cysts)
   Stage 4: Rhynophyma (occasionally oto-, mento-,or zygophyma)
Anatomic distribution:
   Face (cheeks, forehead, chin);rarely presternal, limbs (arms, wrists, thighs), and palms(?)