A revised and updated set of criteria and treatment recommendations by a global panel of dermatologists and ophthalmologists establishes a new approach to diagnosing and classifying rosacea by phenotype rather than by subtype.

Dr. TanJerry Tan, M.D., panel co-chair and adjunct professor of internal medicine and dermatology, Western University, Windsor, Ontario, tells Dermatology Times that the position paper from the global ROSacea COnsensus (ROSCO) helps to clarify the diagnostic criteria for rosacea.

“The prior criteria were based on the 2002 recommendations from the National Rosacea Society. Because research has advanced over the last decade and a half, we have updated these diagnostic criteria to what is currently presented in the first ROSCO paper,” he says.

The ROSCO publication indicates that there only two specific diagnostic features, each of which can be individually diagnostic of rosacea; or major criteria, of which any two in combination can be diagnostic of rosacea.

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