case_images: PMC4372314_01
case_images: Erythematous-brown plaque, hardened and rough, with some reddish-honey colored crusts on the dorsum of the fifth right finger, before treatment.
case_images: 40409_2015_8_Fig1_HTML.jpg
case_images: PMC4372314_01_40409_2015_8_Fig1_HTML.jpg
case_images: Fig1
case_images: The lesion did not affect the nail (Figure 1).
case_images: Skin biopsy - Histopathology. (a) Pseudocarcinomatous epithelial hyperplasia with amorphous material in the follicular epithelium, which is surrounded by intense infiltrates of lichenoid pattern (HE, original magnification 40x). (b) Chronic granulomatous inflammatory reaction of tuberculoid pattern with focus of fibrinoid necrosis and absence of acid-fast bacilli (Fite-Faraco, original magnification 200x).
case_images: 40409_2015_8_Fig2_HTML.jpg
case_images: PMC4372314_01_40409_2015_8_Fig2_HTML.jpg
case_images: Fig2
case_images: Mycobacterium marinum
  culture on Lowenstein-Jensen medium, after 12 days of incubation at 26 C (78.800 F).
case_images: 40409_2015_8_Fig3_HTML.jpg
case_images: PMC4372314_01_40409_2015_8_Fig3_HTML.jpg
case_images: Fig3
case_images: Evolution during and after treatment. (a) Dorsum of the fifth right finger, one month after the beginning of treatment. (b) Dorsum of the right finger, three months after initiation of treatment.
case_images: 40409_2015_8_Fig4_HTML.jpg
case_images: PMC4372314_01_40409_2015_8_Fig4_HTML.jpg
case_images: Fig4
case_images: After being diagnosed, the patient was treated with clarithromycin (1 g/day) for three months, resulting in regression of the lesion (Figure 4).