IgG4-related disease:Ultrasonography and MRI of the salivary gland fordiagnosis and monitoring the efficacy of treatment

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Ultrasonograpy was able to catch more sensitively the parencymal change and recovery process of salivary gland by corticosteroid treatment compared with MRI. Therefore, it was thought that the ultrasonograpy was useful to diagnosis and monitoring the efficacy of treatment as an easy to use and inexpensive and noninvasive imaging method. Moreover, it was considered that the ultrasonograpy was most suitable imaging method at present about the follow-up in the treatment period of the disease,it has been reported that often being revived.