PMC6016166_01
Odontogenic cutaneous fistula with hyperpigmented retracted skin.
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Physical examination revealed a nontender 1 x 1 cm hyperpigmented retracted lesion with a 3 mm center of granulation tissue (Figure 1).
Intraoperative fistula tract dissection.
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Using the Modified Blair incision, a left superficial parotidectomy was performed with identification and preservation of the lower branches of the facial nerve (Figure 2).
Resected fistula tract.
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A circumferential skin incision around the fistulous opening was deepened, and then the tract was dissected from the surrounding tissue (Figure 3).
Panoramic radiograph. Radiolucent lesion of the periapical area of the mandibular molar (#37).
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The OPG demonstrated a fully dentate patient with a moderately defined radiolucency extending mesiodistally from the mesial root of #37 to the mesial aspect of #38 and also inferiorly to the lower border of the mandible (Figure 4).