Fig. 6

A 70-year-old subject with osteomyelitis of right mandibular gingiva in whom dynamic movement of the tonsillolith was seen toward the internal side on CT. a Axial CT image at the palatine tonsillar level at the initial examination. The depth of the tonsillolith (arrow) is 6.1 mm. b Follow-up CT image at the same level 48 months later. The depth of the tonsillolith (arrow) is now 3.3 mm, following movement in the medial direction (toward the respiratory tract)