“…Although most periapical lesions are a consequence of dental pulp necrosis, about 0.6%-4% are not of endodontic origin (1,7,9,10). Several different nonendodontic periapical lesions have been reported, such as odontogenic cysts and tumors, nonodontogenic cysts, pseudocysts, nonodontogenic infections, granulomatous inflammation, central giant cell lesion, benign fibro-osseous lesions, nonodontogenic benign neoplasms, and primary and metastatic nonodontogenic malignant neoplasms (1-3, 7, 9, 11-17).…”