case_images: PMC6214415_01
case_images: Erythematous swelling, ulcer and crust located at the left index finger.
case_images: idr-11-2069Fig1.jpg
case_images: PMC6214415_01_idr-11-2069Fig1.jpg
case_images: f1-idr-11-2069
case_images: A roundish ulcer, of 0.8 cm diameter, with fibrinous bed and well-defined borders, and a round crust, of 0.7 cm diameter, were also visible at the medial and medial-lower surface of the finger, respectively (Figure 1).