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目的：总结１９６４—１９９８年华西医科大学口腔医院收治的经病理证实的４２例牙源性粘液瘤，分析误诊原因，提高对本病的认识。方法：复习４２例病人的临床、Ｘ线资料。结果：Ｘ线表现复杂多样，可分为Ⅴ型。Ⅰ型：牙槽突破坏型；Ⅱ型：单囊型；Ⅲ型：多囊型；Ⅳ：蜂窝型；Ⅴ型；恶性征型。术前诊断７例符合，３５例误诊，误诊率达８３．３３％。结论：Ｘ线表现的复杂多样化是牙源性液液瘤误诊的主要原因，应与造釉细胞瘤、骨纤维异常增殖症、骨化纤维瘤、恶性肿瘤鉴别。
OBJECTIVE: To summarize the 42 cases of odontogenic myxomas confirmed by pathology admitted to the Stomatological Hospital of Huaxi Medical University from 1964 to 1998, to analyze the causes of misdiagnosis and to improve the understanding of this disease. Methods: Review 42 cases of patients with clinical, X-ray data. Results: X-ray showed complex and diverse, can be divided into Ⅴ type. Type I: alveolar break bad type; Type II: single capsule type; Type III: multi-capsule type; Ⅳ: honeycomb type; V type; Preoperative diagnosis of seven cases, 35 cases were misdiagnosed, the misdiagnosis rate was 83.33%. Conclusion: The complicated and diversified X-ray manifestation is the main reason of misdiagnosis of odontogenic liquid-liquid tumors. It should be distinguished from ameloblastoma, fibro-dysplasia, ossifying fibroma and malignant tumor.