History of Present Illness
The patient is asymptomatic and in good general health, has no known drug allergies, and does not take any medications daily. The lesion was an incidental finding on the radiographic survey at the initial orthodontic consultation.
Clinical and Radiographic Findings
The patient was evaluated for a radiolucent lesion at the right mandibular second molar area associated with impacted tooth #31. No bony expansion was noted clinically. The rest of her intraoral and head and neck examination was unremarkable.
A panoramic radiograph revealed a unilocular radiolucency adjacent to but not associated with the impacted #31 (Figure 1).
An incisional biopsy was performed revealing an odontogenic neoplasm composed of a myxomatous connective tissue stroma containing nests and cords of cuboidal to columnar epithelium arranged in a pattern suggestive of early enamel organ development (Figures 3 and 4).
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