Least common site involvement in psoriasis is:
Ans. c. CNS involvementScalp is a common site of involvement in psoriasis. Corona psoriatica is a band of psoriasis, projecting beyond hairline on forehead.Nail changes in psoriasis are pitting, onycholysis, subungual hyperkeratosis, splinter hemorrhages, uneven surface.
Scalp involvement
Nail involvement
CNS involvement
Arthritis
Papulosquamous Disorders