A man in his 50s presented for an emergency examination with a hard swelling of the left inner cheek. He stated that he had recently bitten his cheek and had since experienced increasing spontaneous pain and swelling. There was no obvious swelling extraorally. Oral examination revealed an erythematous, 15 × 10-mm lesion of the buccal mucosa, adjacent to the maxillary first molar. The lesion was hard and produced a small amount of bleeding with palpation (Figure 1).
Ko EM, Sinacola RS. Hard Swelling on Inner Cheek. JAMA Otolaryngol Head Neck Surg. 2018;144(4):373–374. doi:10.1001/jamaoto.2017.3131
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