The Modified POSAS: A Novel Approach to Defining Pathologic and Non-Pathologic Scarring

Scarring is a multifactorial process with different clinical presentations that affects more than 40 million people worldwide. Due to a lack of clear definitions, the percentage of pathologic versus non-pathologic scarring remains unknown. Defining and distinguishing pathologic from non-pathologic scarring is important for determining the prevalence of disease, for researching and understanding the different cellular and biochemical mechanisms resulting in scarring, and for improving the prevention and treatment of scarring.

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