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Case 191690

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Referral category

Disease / syndrome / tumor / condition

Region of interest

Anterior Maxilla

Referral reason

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Canaray 191690

1. Reduction in size of lesion in interval between scans

The prior scan (Canaray case 168859, dated 5 October 2017, shown in redscale) was overlaid on the current scan (shown in greyscale). The size of the lesion has slightly diminished in the interval between scans. This is most evident at the surface of the hard palate, and at the periphery of the lesion, which demonstates a grey zone of peripheral bone formation.

2. Recurrence of lesion palatal to tooth 13

A loculation (shown in red in this volumetric overlay) has formed at the palatal surface of tooth 13 at the midroot level in the interval between scans. This represents a site of recurrence of the lesion.

Additional views of tooth 13

These zoomed in detailed views demonstrate the position of the recurrent lesion at the palatal surface of the root of tooth 13 at the midroot level.

3. Rarefying osteitis at tooth 22 or recurrence of lesion

The periapical lesion associated with tooth 22 has increase in size in the interval between scans. This may represent an enlarging periapical lesion associated with a devitalized tooth. If tooth 22 is non-vital, this bone change can be attributed to the loss of the vitality of the tooth. However, if tooth 22 tests vital, this bone change represents a recurrence of the lesion.

4. Small pseudocysts on right maxillary sinus floor

Small pseudocysts are present on the floor of the right maxillary sinus. These pseudocysts were not present in the prior scan. This is a non-significant incidental finding.