Misdiagnosis of psoriatic arthritis in a patient with paronychia confirmed by dermatological examination: A case report

Figure 1  The photos show redness, nail alterations and swelling in the periungual region, particularly of the left hand's first finger and the right hand's third and fourth fingers.

Figure 2  Ultrasound image with positive Doppler signal at the nail entheses of the left hand's third and fourth fingers.