Ultrasound Assessment of Changes in Nails in Psoriasis and Psoriatic Arthritis

Figure 1

Longitudinal scan of psoriatic nail. (a) Focal hyperechoic involvement of the dorsal plate. (b) Loosening of the borders of the ventral plate. (c) Wavy plates. (d) Loss of definition of both plates. NP: nail plate; NB: nail bed; NM: nail matrix.

(a)

(b)

(c)

(d)