Abstract
Botryoid odontogenic cyst (BOC) is a rare developmental odontogenic cyst typically found in the mandibular canine-premolar region that exhibit a high rate of recurrence. Woman, 34, came to the college of dentistry for evaluation of a radiolucent lesion in the periapical region on tooth #11; it had developed over the preceding 2 years. Clinical examination revealed swelling in the anterior maxillary region and displacement of tooth #11, which had been treated endodontically. The patient was asymptomatic and had an unremarkable medical history. Radiographs revealed a well-defined, 8-mm unilocular radiolucency between the roots of teeth #13 and #11. Excisional biopsy was performed. Histological features included multiple cystic cavities lined by stratified squamous epithelium consisting of 3 layers that exhibited localized areas of focal thickening and clear cells. The fibrous connective tissue showed intense mononuclear inflammatory infiltrate. The final diagnosis was BOC. No signs of recurrence developed over 41 months of follow-up.
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