case_images: PMC11735160_01
case_images: A 0.3 x 0.3 cm round, raised, black lesion was observed on the attached gingiva, lingual to teeth #34 and #35.
case_images: cureus-0017-00000077405-i01.jpg
case_images: PMC11735160_01_cureus-0017-00000077405-i01.jpg
case_images: FIG1
case_images: Upon intraoral examination, a 0.3 x 0.3 cm round, raised, homogeneous black lesion was noted on the attached gingiva lingual to teeth #34 and #35 (Figure 1).
case_images: Panoramic radiograph.
case_images: cureus-0017-00000077405-i02.jpg
case_images: PMC11735160_01_cureus-0017-00000077405-i02.jpg
case_images: FIG2
case_images: Radiographic examination, including a panoramic radiograph, showed no abnormalities, and no osteolytic lesions were observed (Figure 2).
case_images: (A) Low power view illustrating a fragment of oral mucosa surfaced by keratinized stratified squamous epithelium, with pigmented cells within densely collagenized fibrous connective tissue aligned parallel to the surface epithelium. (B, C) Higher power views illustrate pigmented spindle-shaped melanocytes, some of which are dendritic (red arrow), along with epithelioid melanocytes (black arrow).
case_images: cureus-0017-00000077405-i03.jpg
case_images: PMC11735160_01_cureus-0017-00000077405-i03.jpg
case_images: FIG3
case_images: These melanocytes were embedded within densely collagenized fibrous connective tissue (Figures 3A-3C).