Tests and terminology in psoriasis: S

Self-Administered PASI is using a version of Psoriasis Area Severity Index (PASI) by the patient who assesses their own psoriasis in a similar way as a physician would examine them and complete the scoring process.  In studies SAPASI assessment by patient compares very well with the PASI administered by the doctor therefore the SAPASI is a very useful tool for the assessment of psoriasis.

thin flakes on the skin surface

a combination of a powder and liquid that must be shaken before being applied to the skin

The static Physician Global Assessment, is used by doctors  to assess the psoriasis based on the following three signs:  severity of induration (thickness), scaling, and erythema (redness). The sPGA is a scale from 0 to 5 where 0 indicates clear and 5 indicates severe disease.

The static Physician's Global Assessment of Genitalia is used to assess psoriasis of the genital area.  Mainly the redness (erythema) is recorded and then used to determine severity and clinical outcome following treatment.

Salford Psoriasis Index (developed at the University of Manchester) is a scoring system for psoriasis to simply measure the current extent, psychosocial disability and past severity of the disease. A better understanding of an individual’s experience and needs is the intention of this scoring system.

an abbreviated word for corticosteroids, which are powerful drugs used to control inflammation and itching of the skin. Very often this is shortened to ‘steroids’ causing people to confuse their skin treatments with the anabolic steroids used for body-building

beneath the skin

referring to the body as a whole

drugs that affect the whole body.