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. 2022 May 19;38(2):168–184. doi: 10.5146/tjpath.2022.01573

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Copyright © 2022 The Author(s).

This is an open-access article published by Federation of Turkish Pathology Societies under the terms of the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium or format, provided the original work is properly cited. No use, distribution or reproduction is permitted which does not comply with these terms.

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Radicular cyst. A) Cropped panoramic radiograph showing a well-defined, corticated unilocular radiolucency at the apices of endodontically treated teeth (arrow). B) Lining by non-keratinized stratified squamous epithelium with epithelial hyperplasia in a characteristic arcading pattern. Cyst wall is inflamed (H&E; x100). C) Cropped panoramic radiograph of residual cyst showing a well-circumscribed, corticated unilocular radiolucency in an edentulous area of the left mandible (arrow). D) Residual (or long-standing) cyst showing less inflamed wall and a more regular thin epithelium (H&E; x100).