30. Psoriasis

Annular pustular psoriasis is a rare variant of pustular psoriasis, having an annular, or circinate, lesion morphology that may appear at the onset of pustular psoriasis, with a tendency to spread and form enlarged rings.[1]:411[2] References Freedberg, et al. (2003). Fitzpatrick’s Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0-07-138076-0. Rapini, Ronald P.; Bolognia, Jean… read more »

Psoriatic arthritis (also arthritis psoriatica, arthropathic psoriasis or psoriatic arthropathy) is a type of inflammatory arthritis[1][2] that will develop in between 6 and 42% of people who have the chronic skin conditionpsoriasis.[3] Psoriatic arthritis is classified as a seronegative spondyloarthropathy and therefore occurs more commonly in patients with tissue type HLA-B27. Signs and symptoms Pain,… read more »

Psoriasis is a long-lasting autoimmune disease characterized by patches of abnormal skin.[3] These skin patches are typically red, itchy, and scaly. They may vary in severity from small and localized to complete body coverage.[4] Injury to the skin can trigger psoriatic skin changes at that spot, which is known asKoebner phenomenon.[5] There are five main… read more »