A patient's Psoriasis Area and Severity Index (PASI) is a measure of overall psoriasis severity and coverage. It is a commonly-used measure in clinical trials for psoriasis treatments. Typically, the PASI would be calculated before, during, and after a treatment period in order to determine how well psoriasis responds to the treatment under test.   More...

PASI CALCULATION: OVERVIEW An overview of steps necessary to calculate the PASI score. Includes calculating skin involvement area and assigning grades ... More
BSA CALCULATION A guide to calculating BSA (Body Surface Area) by palm and eyeball methods. BSA calculation done by 4 separate ... More
ERYTHEMA, INDURATION, SCALING An exercised aimed to practice the skill of assigning correct grades for erythema, induration and scaling of psoriasis lesions ... More