Abstract
A 2-year-old male patient presented to a dental clinic with painless swelling on the right side of the face in the zygomatic-orbital region with approximately 2 months of evolution. Computed tomography scan revealed an extensive, solid, expansive lesion inside the right maxillary sinus invading the right maxillary alveolar ridge and ipsilateral nasal cavity, causing elevation of the orbital floor. Incisional biopsy, complementary blood tests, and clinical aspects suggested a diagnosis of central giant cell lesion. The patient underwent surgery for enucleation and curettage of the lesion under general anesthesia. The orbital floor, infraorbital margin, and part of the maxillary alveolar ridge were reconstructed with an autogenous iliac crest graft, and gaps were filled with xenograft. The maxillary sinus antrum was preserved by placing a fibrin sponge inside it. The histopathologic material was sent for analysis and then reviewed, establishing a final diagnosis of trabecular juvenile ossifying fibroma. Postoperative recovery was without complications, with no signs of recurrence.
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