case_images: PMC4782661_01
case_images: Hyperchromatic macule with intense hyperhidrosis affecting the lower
  abdomen, lumbar region and flanks
case_images: abd-91-01-0111-g01.jpg
case_images: PMC4782661_01_abd-91-01-0111-g01.jpg
case_images: f1
case_images: Ten years ago it progressed with extension of the area with anhidrosis to the left hemibody and onset of hyperchromatic macule, intense hyperhidrosis involving the lower abdomen, lumbar region, flanks and right lower limb (Figure 1).
case_images: Minor's test: bluish staining show locations where there is sudoresis
case_images: abd-91-01-0111-g02.jpg
case_images: PMC4782661_01_abd-91-01-0111-g02.jpg
case_images: f2
case_images: The Minor's test was carried out to show profuse sudoresis contrasting with the anhidrotic areas (presence of blue color on places where there is sudoresis - Figure 2).