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Difference in sensitivity among diagnostic methods for sialadenitis n (%)
| Examined cases | Positive examination | |
| SG swelling on physical examination | 33 | 15 (46) |
| Ga accumulation in SGs by scintigraphy | 25 | 7 (28) |
| Increased thickness in SGs by US (≥ 15 mm) | 37 | 18 (49) |
| Multiple hypoechoic lesions in SGs by US | 37 | 31 (84) |
| Multiple hypoechoic lesions in parotid glands by US | 36 | 5 (14) |
Ga: Gallium-67; SG: Submandibular glands; US: Ultrasonography.
