Pleomorphic adenoma with lipomatous metaplasia is a rare type of pleomorphic adenoma. This paper reports a case of pleomorphic adenoma with lipogenesis. A 28-year-old female patient presented with a mass in front of the left ear for more than 2 years, accompanied by pain. Computed tomography and B-ultrasound examinations suggest the possibility of pleomorphic adenoma. Postoperative pathological results revealed a pleomorphic adenoma with lipomatous metaplasia, and fat accounted for 60% of the tumor. Basing on the literature, we discussed the naming of this tumor and systematically summarized its imaging manifestations, clinicopathological features, differential diagnosis, and treatment.
伴有脂肪化生的多形性腺瘤是一种罕见的多形性腺瘤。本文报道1例伴有脂肪化生的多形性腺瘤，该患者为28岁女性，发现左耳前肿物2年余，伴有疼痛。CT及B超检查提示为多形性腺瘤可能。手术治疗后病理结果为伴有脂肪化生的多形性腺瘤，脂肪成分占肿瘤的60%。结合文献，本文讨论了该类疾病的命名，总结了其影像学表现、临床病理特征、鉴别诊断及治疗。.
Keywords: lipomatous pleomorphic adenoma; pleomorphic adenoma; pleomorphic adenoma with lipomatous metaplasia.