Pathology · single question
A description of a radiolucent lesion between teeth #13 and #14 — which of the following can be included in the differential diagnosis EXCEPT?
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Correct answer: A. Traumatic bone cyst
- A. TRAUMATIC BONE CYST is the EXCEPTION because it is almost exclusively found in the MANDIBLE (not the maxilla where teeth #13-14 are located), and it is characteristically found between the roots of VITAL TEETH where it creates scalloping around the roots. While it CAN occur in the maxilla, it would be EXCLUDED from the differential for a lesion between upper premolars.
- B. OKC CAN occur in this area (between teeth in the premolar/molar region) — it should be INCLUDED in the differential for interradicular/periapical radiolucency.
- C. Ameloblastoma CAN occur in this region (though more common in the posterior mandible) — it should be considered in the differential of a large multilocular lesion.
- D. Lateral periodontal cyst typically occurs between vital teeth in the interproximal bone, commonly in the premolar area — it SHOULD be included in the differential.