case_images: PMC10411268_01
case_images: Facial and oral views of the patient: (A) physiological pigmentation was present on her face and (B-D) oral mucosal pigmentation was found on her lips, buccal mucosa and gingiva.
case_images: 10.1177_23337214231191295-fig1.jpg
case_images: PMC10411268_01_10.1177_23337214231191295-fig1.jpg
case_images: fig1-23337214231191295
case_images: Pigmentation, which seemed to be a physiological change, was also observed on her facial skin (Figure 1).
case_images: Longitudinal streaks were seen on the patient's left big toe nail.
case_images: 10.1177_23337214231191295-fig2.jpg
case_images: PMC10411268_01_10.1177_23337214231191295-fig2.jpg
case_images: fig2-23337214231191295
case_images: At the next dental examination, the patient's fingers and toes were observed as not being pigmented, although longitudinal streaks were observed on her left first toenail (Figure 2).