牛皮癬是一種普通及慢性的皮膚疾病，發病位置最常見為手肘、膝蓋及身軀，但

牛皮癬是一種普通及慢性的皮膚疾病，發病位置最常見為手肘、膝蓋及身軀，但亦可是身體任何部位，如見於頭皮斑塊。

結果 (英文) 1:

Psoriasis is a common chronic skin disease, the incidence of the most common position of the elbows, knees, and the body, but may be any part of the body, as seen scalp plaques.

結果 (英文) 2:

Psoriasis is a common and chronic skin disease, the most common location of the elbow, knee and body, but can also be any part of the body, such as in the scalp plaque.

結果 (英文) 3:

Psoriasis is a common and chronic skin disease, the most common location of which is elbow, knee and body, but also any part of the body, such as scalp plaque.