Article Figures & Data
Figures
- fig 1.
Case 1: 47-year-old woman with left TMJ swelling and pain.
A, Panoramic radiograph shows an ovoid calcified body (arrow) anterior to the left mandibular neck.
B, Axial CT scan with soft tissue display shows semilunar soft tissue masses (arrowheads), suggesting bilateral anterior disk displacement.
C, Axial CT scan with bone display at same level as B shows irregularly bordered calcified body in zonal area (arrowheads), thought to be partial calcification of the disk.
D and E, Axial (D) and coronal (E) CT scans show ovoid calcified body (arrow), about 2 mm in diameter, which was visible on the panoramic radiograph (A).
F, Histologic section of loose body shows cartilaginous tissue (A), transitional zone (B), bone tissue (C), and thin connective tissue (D) (hematoxylin-eosin, original magnification ×300).
G, Histologic section of the synovial membrane shows a partial transformation from the fibrous connective tissue to the cartilaginous tissue, or chondrometaplasia (hematoxylin-eosin, original magnification × 300).
- fig 2.
47-year-old woman with left TMJ pain.
A, Panoramic radiograph shows one small calcification (arrow) posterosuperior to the mandibular condyle.
B, Axial CT scan with soft tissue display shows many small calcifications (arrows) scattered throughout the left joint capsule.
C, Axial CT scan with bone display shows many small calcifications (arrows) anterior to the mandibular condyle.
D and E, Axial (D) and coronal (E) MR images show a zonal region (arrow) anterior to the mandibular head with many calcified bodies scattered inside.
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