Featured Patient Case: February 2021 by Erin Wirth | Feb 3, 2021 79-year-old male presents with a painful lesion on the gingiva #9 of one month. History of the lesion: Lesion has grown over a few years. Oral examination: 2 x 0.8 cm well defined ulceroproliferative nodule with rolled out margin and partly covered by yellow pseudomembrane on the facial gingival margin of #9. Take the Quiz: What is your next course of action and what is the diagnosis? The differential diagnosis includes (choose 2): Chronic traumatic ulcer Pemphigus vulgaris Pyogenic granuloma Squamous cell carcinoma Lichenoid mucositis What is the next course of action?Treat with acyclovirTreat with antifungalIncisional biopsyExcisional biopsyNo treatment is required Histology of the lesion is as shown. What is your diagnosis?Pyogenic granulomaLichenoid mucositisSquamous cell carcinomaTUGSEPemphigus vulgaris Time is Up!