“…Song et al (2017) reported that psoriasis lesions were most frequently found in the lower leg (72.6%, n=913), followed by the back (60.9%, n=766), upper leg (60.8%, n=764), elbow (58.0%, n=729), knee (57.1%, n=718), lower arm (56.8%, n=714), abdomen (55.7%, n=700), upper arm (53.5%, n=672), and scalp (53.1%, n=668). Mikrani and Shrestha (2014) found that extensor surface of the body was most commonly involved. In the present study, the duration of disease was 12-24 months in 50.9% patients followed by <12months (26.4%) and >24months (22.6%).…”