case_images: PMC5268100_01
case_images: A) Intraoral view of the lesion B) CBCT: axial section and C) CBCT: sagittal section: lesion location, intraosseous and extraosseous involvement.
case_images: jced-9-e167-g001.jpg
case_images: PMC5268100_01_jced-9-e167-g001.jpg
case_images: F1
case_images: On palpation, the lump was fluctuant and not painful (Fig. 1).
case_images: A) Cystic lesion, inner epithelial lining partially detached and cystic lumen contains keratin (H&E 4x). B) Simple squamous epithelium 4-8 layers with basal cells arranged in palisaded pattern and superficial parakeratosis, focally corrugated. Capsule formed by connective tissue (H&E 20x). C) Simple squamous cystic epithelium with palisaded basal cells and superficial corrugated parakeratosis (H&E 10x).
case_images: jced-9-e167-g002.jpg
case_images: PMC5268100_01_jced-9-e167-g002.jpg
case_images: F2
case_images: The collected data established a peripheral keratocyst odontogenic tumor as the diagnosis (Fig. 2).
case_images: CBCT: Sagittal sections after a year: the surgical area shows signs of bone healing.
case_images: jced-9-e167-g003.jpg
case_images: PMC5268100_01_jced-9-e167-g003.jpg
case_images: F3
case_images: Periodic check-ups were carried out after one month, three months, six months and one year post-surgery, as well as a CBCT, which confirmed no signs of recurrence (Fig. 3).