A man in his 30s presented with a slow-growing mass in the upper lip that had developed over several years. He had no history of underlying medical diseases, such as hypertension, diabetes, hepatitis, and tuberculosis. On physical examination, a whitish, firm, painless, nodular mass on the superficial layer of the left upper lip was observed (Figure, A). Given the possibility of a tumorous lesion, complete excision was planned under local anesthesia. In surgery, the 1.5 × 1.2 cm, whitish, firm, nodular, and well-encapsulated mass was excised completely without rupture of the capsule from the surrounding mucosa. On histopathologic examination, an encapsulated salivary gland tumor with epithelial and myoepithelial cells, ductlike structures, and mixed stroma was observed (Figure, B). One month after surgery, the surgical wound on the left upper lip was clean and well healed. One year later, there had been no recurrence, and the patient had no symptoms at the left upper lip.
Nam J, Jung EA, Jeong J. Nodular Mass in the Upper Lip. JAMA Otolaryngol Head Neck Surg. 2018;144(9):842–843. doi:10.1001/jamaoto.2018.1453
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