posted on 2021-08-20, 17:41authored byClaudia Maria Lincoln Silva, Fred Bernardes Filho, Glauber Voltan, Jaci Maria Santana, Marcel Nani Leite, Filipe Rocha Lima, Luisiane de Avila Santana, Natália Aparecida de Paula, Patricia Toscano Barreto Nogueira Onofre, Wilson Marques-Junior, Vanessa Aparecida Tomaz, Carmem Sílvia Vilela Pinese, Marco Andrey Cipriani Frade
(a) Hyperpigmentation of the lip region; (b) internal mucosa of the mouth (cheek); (c) and (d) tongue; (e) plantar, and (f) hypothenar regions.