case_images: PMC2631493_01
case_images: Brownish-black macular lesion on left buccal mucosa adjacent to molar teeth with Class V glass ionomer cement restorations (arrows).
case_images: 1752-1947-3-11-1.jpg
case_images: PMC2631493_01_1752-1947-3-11-1.jpg
case_images: F1
case_images: The patient had initially noted a small round area of pigmentation of about 5 mm in size which, to his concern, had rapidly increased to the present size (Figure 1).
case_images: Hematoxylin and eosin stained sections (A, B and C) revealed stratified squamous non-keratinized epithelium exhibiting acanthosis and numerous dendritic melanocytes throughout the entire thickness of the epithelium; Masson-Fontana (M-F) special stain reveals numerous melanocytes.
case_images: 1752-1947-3-11-2.jpg
case_images: PMC2631493_01_1752-1947-3-11-2.jpg
case_images: F2
case_images: The dendritic melanocytes were also demonstrated by Masson-Fontana silver impregnation stain (Figure 2).
case_images: Follow-up of lesion after 1 week (A), after 2 weeks (B) and complete resolution after 2 months (C).
case_images: 1752-1947-3-11-3.jpg
case_images: PMC2631493_01_1752-1947-3-11-3.jpg
case_images: F3
case_images: A regular follow-up of the patient was carried out to observe the progress of the lesion (Figure 3).