A 52-year-old male patient, who was working as a clerk, presented with complaints of white lesions on both the buccal mucosae of his mouth. He also had crusty lips for the past two years (Image A, B). The symptoms had initially begun with dryness and a feeling of general discomfort in his mouth. His symptoms used to worsen on sunny days when it was hot. Later, his lips started getting crusted and fissured. However, his condition worsened gradually and his lip tenderness aggravated.
He had been on antidiabetic drugs for quite some time and also had a history of gastric ulcers. He had a history of smoking, though he insisted that he was a social drinker. He had no significant family history. His extra-oral examination was insignificant, though intra-orally, his entire oral mucosa appeared altered. His vermillion border had a rough texture with multiple coalesced papules. The patient wore…