PMC4034627_01
Clinical photograph showing the melanotic gingival enlargement in the maxillary left quadrant
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F1
Intraorally, there was a soft tissue growth in maxillary left quadrant (Fig. 1), involving the attached and the marginal gingiva on the buccal aspect.
The lesion covering the entire buccal surfaces of the teeth and also partially covering the occlusal surface of the first molar
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F2
The lesion was brownish black in color and had a smooth, slightly raised surface (Fig. 2).
Photomicrograph showing acanthosis and parakeratosis of the surface epithelium as well as linear melanocytic hyperplasia in the basal layer. Benign melanocytes are seen in parabasal layers, and there is evidence of melanophagic activity
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F3
There was a prominence of melanocytes in the basal layer, in a linear fashion (Fig. 3).
Photomicrograph highlighting the dendritic morphology of the melanocytes, which are seen extending above the basal layers (Masson-Fontana, 400x)
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F4
Masson-Fontana silver stain supplemented the presence of dendritic melanocytes filling up almost the entire epithelium (Fig. 4).
Postoperative clinical appearance of the site after 4 weeks
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F5