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Case 217617

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Disease / syndrome / tumor / condition

Region of interest

Mandible

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Canaray 217617

Slight reduction in size of marsupialized lesion in posterior 4th quadrant

The prior scan (Canaray Case 171466, dated 26 September 2017, shown in redscale) was superimposed over the current scan (shown in greyscale). The areas of grey bone formation at the periphery of the marsupialized lesion in the posterior fourth quadrant demonstrate that the lesion is decreasing in size. No sites of increase in the size of the lesion are noted. This overall appearance suggests that the lesion is healing and that no recurrences are present.

Sagittal views of overlaid scans

These sagittal cross-sectional images of the posterior fourth quadrant demonstrate the bone formation that has occurred at the periphery of the lesion in the interval between the prior scan in the current scan. The bone formation at the periphery of the lesion is shown in greyscale. The prior scan is overlaid in redscale.

1. Possible perio-endo lesion on tooth 16MB

Tooth 16 is partially captured in this imaging volume, and exhibits rarefying osteitis on the disto-palatal surface of its mesiobuccal root. This pattern of bone loss is suggestive of a perio-endo lesion. There is a dehiscence of the alveolar crest adjacent to the buccal furcation of tooth 16, which is likely providing a drainage path for the rarefying osteitis.

2. Dysplastic bone apical to tooth 36

There are two foci of amorphous bone located adjacent to the lingual cortex of the mandible apical to the roots of tooth 36. This region of abnormal bone pattern appears to be surrounded by a radiolucent lining of variable width, and the contiguous lingual cortical plate appears thinned, but remains intact. These findings are suggestive of a focus of dysplastic bone, which does not require treatment.

4. Calcification within the paraspinal soft tissues

A calcification is present within the paraspinal soft tissues anterior to the body of C2. This likely represents localized calcification of the anterior longitudinal ligament.

3. Moderate cervical degenerative joint disease

Subchondral sclerosis and erosions are present in the articulating regions of the atlas and dens of the cervical vertebrae. This is an incidental finding that is suggestive of moderate cervical degenerative joint disease.

5. Extracranial calcification of left carotid artery

A calcification is visible lining the wall of the left carotid artery at the level of C3/C4. This finding may be a sign of atherosclerosis and cardiovascular disease.

6. Calcified stylohyoid ligaments

The stylohyoid ligaments are partially calcified bilaterally. This is an incidental finding with no clinical significance.

7. Palatal torus

A partially-captured palatal torus is present in the midline of the hard palate. This is an incidental finding with no clinical significance.

8. Bilateral mandibular tori

Bilateral mandibular tori are present on the lingual surfaces of the mandibular alveolar process. This is a common incidental finding with no clinical significance.

9. Mild cervical abrasion on tooth 34Bu

Mild cervical abrasion is present on the buccal aspect of tooth 34 at the level of the cemento-enamel junction. There is no evidence or periapical pathology involving tooth 34.

10. Retained primary root fragments or dense bone island interproximal to teeth 34/35 and 44/45

Two retained primary root fragments or dense bone islands are noted interproximal to the apical thirds of the roots of teeth 34/35 and 44/45. No pathology is present in surrounding bone, which suggests this represents an incidental finding with no clinical significance.

Periodontal bone loss

There is localized severe horizontal periodontal bone loss involving the root of tooth 41. There is generalized moderate horizontal periodontal bone loss involving the remainder of the imaged dentition. Vertical bone loss is evident along the mesial aspects of the roots of teeth 17, 37, and 47.