Objective. The aim of this paper is to present an uncommon clinical and radiographic aspect of odontogenic keratocyst (OKC)\nmimicking paradental cyst. Methods. A 32-year-old female patient showed a well-delimited radiolucent lesion connected with the\nroot of the left thirdmolar with close anatomical relationship with the mandibular canal.The clinical, radiographic, and anamnestic\nfeatures lead us to diagnose a paradental cyst that was treated by enucleation after extraction of the partially impacted tooth. Results.\nHistological analysis showed typical histological features of PKC such as the presence of a lining of stratified squamous epithelium\nwith a well-defined basal layer of palisading columnar of cuboidal cells. Conclusion. Initial X-ray analysis and the position of the\nlesion related to the third mandibular tooth caused us to mistakenly diagnose a paradental cyst.We were only able to identify the\ncyst as an PKC rather than a paradental cyst after histological analysis.
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