A 50-year-old female with history of diabetes mellitus and hypertension presented with ulcers on her lower lip. Lower lip appears to be swollen. A necrotic area on the lower lip extending from the right lateral incisor to the left commissure. Whitish pseudomembrane along with neighboring erosive areas close to the midline along with bloody encrustations on the left side closer to the commissure [].\nDifferential diagnosis: Traumatic ulcer with bloody encrustations (history of intubation).
A 58-year-old male with uncontrolled diabetes mellitus presented with ulcers on the left buccal mucosa corresponding to 35, 36, and 37 regions. Roughly 4 cm × 3 cm which were irregular in shape. The ulcer appears to have punched-out borders with tissue tags and is surrounded by inflammation. A similar ulcer was also present in the right buccal mucosa with 45, 46, and 47 [].\nDifferential diagnosis: Traumatic ulcer secondary to cheek bite.