Fast Five Quiz: Pathogenesis and Presentation of Rosacea

William D. James, MD

Disclosures

July 24, 2019

Figure 2. Female patient with rosacea

The latest ROSCO panel recommendations require one diagnostic or two major phenotypes to diagnose rosacea.

The diagnostic cutaneous phenotypes for rosacea are fixed centrofacial erythema in a pattern that may become exacerbated (and persist for longer than 3 months) or phymatous changes.

The following are major phenotypes, of which two must be present to diagnose rosacea when a diagnostic phenotype is lacking: (1) papules and pustules; (2) frequent and prolonged flushing; (3) telangiectasia; or (4) ocular manifestations.

Burning, stinging, edema, and dryness are secondary phenotypes. Skin biopsies may be used to rule out other diseases, but they are not required for rosacea diagnosis.

Learn more about the diagnosis of rosacea.

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