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  Indian J Med Microbiol
 

Figure 1: Well-defined hyperkeratotic patches distributed symmetrically on the wrists and part of the dorsal surface of the hands. The lesions were black, brown or gray in color. (a) Presentation of the lesion on the dorsal surface of the hand before. (b) And 2 min after. (c) Exposure to water

Figure 1: Well-defined hyperkeratotic patches distributed symmetrically on the wrists and part of the dorsal surface of the hands. The lesions were black, brown or gray in color. (a) Presentation of the lesion on the dorsal surface of the hand before. (b) And 2 min after. (c) Exposure to water