IgG4相关唾液腺炎的临床病理特点及诊断  

Clinicopathological characteristics and diagnosis of IgG4-related sialadenitis

作　　者：俞光岩[1,2] 洪霞 李巍 张严妍[1] 高岩 陈艳[3] 张祖燕[4] 谢晓艳[4] 栗占国[5] 刘燕鹰[5] 苏家增[1] 朱文瑄[1] 孙志鹏 YU Guang-yan;HONG Xia;LI Wei;ZHANG Yan-yan;GAO Yan;CHEN Yan;ZHANG Zu-yan;XIE Xiao-yan;LI Zhan-guo;LIU Yan-ying;SU Jii-zeng;ZHU Wen-xuan;SUN Zhi-Peng(Department of Oral & Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China;Center of Stomatology, Peking University Shenzhen Hospital, Shenzhen 518036, Guangdong, China;Department of Oral Pathology, Peking University School and Hospital of Stomatology, Beijing 100081, China;Department of Oral Radiology, Peking University School and Hospital of Stomatology, Beijing 100081, China;Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing, 100044, China)

机构地区：[1]北京大学口腔医学院.口腔医院口腔颌面外科口腔数字化医疗技术和材料国家工程实验室口腔数字医学北京市重点实验室,北京100081 [2]北京大学深圳医院口腔医学中心,广东深圳518036 [3]北京大学口腔医学院.口腔医院口腔病理科,北京100081 [4]北京大学口腔医学院.口腔医院口腔放射科,北京100081 [5]北京大学人民医院风湿免疫科,北京100044

出　　处：《北京大学学报（医学版）》2019年第1期1-3,共3页Journal of Peking University:Health Sciences

基　　金：国家自然科学基金(81470756;81671005;81611540351)~~

摘　　要：IgG4相关唾液腺炎(IgG4-related sialadenitis,IgG4-RS)是最近一些年才被认识的一类自身免疫性疾病,属于IgG4相关系统性疾病的一种,临床上表现为单个或多个唾液腺和(或)泪腺肿大,以往常误诊为肿瘤或慢性炎症行下颌下腺切除,导致唾液腺功能器官的丧失[1-3]。近10年来,本课题组对IgG4相关唾液腺炎的临床病理特点、诊断及鉴别诊断进行了较为系统的研究。SUMMARY Immunoglobulin G4-related sialadenitis (IgG4-RS) is a newly recognized immune-mediated disease and one of immunoglobulin G4-related diseases (IgG4-RD). Our multidisciplinary research group investigated the clinicopathological characteristics and diagnosis of IgG4-RS during the past 10 years. Clinically, it showed multiple bilateral enlargement of major salivary glands (including sublingual and accessory parotid glands) and lacrimal glands. The comorbid diseases of head and neck region including rhinosinusitis, allergic rhinitis, and lymphadenopathy were commonly seen, which could occur more early than enlargement of major salivary glands. Internal organ involvements, such as autoimmune pancreatitis, sclerosing cholangitis, and interstitial pneumonia could also be seen. Thirty-five (38.5%)patients had the symptom of xerostomia. Saliva flow at rest was lower than normal. Secretory function was reduced more severely in the submandibular glands than in the parotid glands. Serum levels of IgG4 were elevated in almost all the cases and the majority of the patients had increased IgE levels. CT, ultrasonography, and sialography showed their imaging characteristics. Histologically it showed marked lymphoplasmacytic inflammation, large irregular lymphoid follicles with expanded germinal centers, prominent cellular interlobular fibrosis, eosinophil infiltration, and obliterative phlebitis. Their immunohistological examination showed marked IgG-positive and IgG4-positive plasma cell infiltration and high IgG4/IgG ratio. The disease could be divided into three stages according to severity of glandular fibrosis. The serum IgG4 level was higher and the saliva secretion lower as glandular fibrosis increased. IgG4-RS should be differentiated from other diseases with enlargement of major salivary gland and lacrimal gland, such as primary Sj?gren syndrome, chronic obstructive submandibular sialadenitis, and eosinophilic hyperplastic lymphogranuloma.

关 键 词：IgG4相关唾液腺炎 IgG4相关病 唾液腺 下颌下腺 腮腺 泪腺 

分 类 号：R780.2[医药卫生—口腔医学]