Journal of endodontics · 2010
Lateral periodontal cysts arising in periapical sites: a report of two cases.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Nikitakis Nikolaos G, Brooks John K, Melakopoulos Ioannis, Younis Rania H, Scheper Mark A, Pitts Mark A, Al-Mubarak Hussain, Sklavounou Alexandra
Аннотация
INTRODUCTION: The lateral periodontal cyst is an uncommon odontogenic developmental lesion and chiefly arises in the alveolar bone between the roots of a pair of erupted teeth or lateral to a tooth root. Two atypical cases of the lateral periodontal cyst occurring in periapical sites are reported.
METHODS: Both lesions presented as an incidental radiographic finding, appearing as an apical radiolucency with well-circumscribed sclerotic borders. One lesion, initially suspected to be of pulpal origin, persisted after endodontic therapy; the other case was first considered to be an odontogenic keratocyst. A biopsy was performed on each patient for lesional identity.
RESULTS: Histopathologic assessment of each lesion was consistent with a lateral periodontal cyst and revealed thin, nonkeratinized epithelial linings containing nodular plaques and clear cells. The cyst walls were thickened and had minimal inflammation.
CONCLUSIONS: The featured cases show that the lateral periodontal cyst is not always confined to the interradicular region and can masquerade as a lesion of endodontic origin. Aberrant cases warrant long-term surveillance.
METHODS: Both lesions presented as an incidental radiographic finding, appearing as an apical radiolucency with well-circumscribed sclerotic borders. One lesion, initially suspected to be of pulpal origin, persisted after endodontic therapy; the other case was first considered to be an odontogenic keratocyst. A biopsy was performed on each patient for lesional identity.
RESULTS: Histopathologic assessment of each lesion was consistent with a lateral periodontal cyst and revealed thin, nonkeratinized epithelial linings containing nodular plaques and clear cells. The cyst walls were thickened and had minimal inflammation.
CONCLUSIONS: The featured cases show that the lateral periodontal cyst is not always confined to the interradicular region and can masquerade as a lesion of endodontic origin. Aberrant cases warrant long-term surveillance.