case_images: PMC8428879_01
case_images: Annular erythematous plaques with spared centers on the chest and
  upper limb.
case_images: 1678-9946-rimtsp-63-S1678-9946202163068-gf01.jpg
case_images: PMC8428879_01_1678-9946-rimtsp-63-S1678-9946202163068-gf01.jpg
case_images: f01
case_images: During the physical examination, we found diffuse annular erythematous plaques on the chest, back, upper and lower limbs (Figure 1).
case_images: A histopathological exam showing a perivascular lymphoplasmacytic
  infiltrate (HE, 40X).
case_images: 1678-9946-rimtsp-63-S1678-9946202163068-gf02.jpg
case_images: PMC8428879_01_1678-9946-rimtsp-63-S1678-9946202163068-gf02.jpg
case_images: f02
case_images: The histopathological examination showed a dense mononuclear infiltrate in the epidermis and hypodermis, with perivascular and perianexial involvement (day 14) (Figure 2).
case_images: Anti-treponemal antibodies and spirochetes in an immunohistochemistry
  test (40X, indicated by the arrows).
case_images: 1678-9946-rimtsp-63-S1678-9946202163068-gf03.jpg
case_images: PMC8428879_01_1678-9946-rimtsp-63-S1678-9946202163068-gf03.jpg
case_images: f03
case_images: The immunohistochemistry showed the presence of anti-treponemal antibodies and numerous spirochetes (Figure 3).