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Acta Odontológica Latinoamericana

versão On-line ISSN 1852-4834


STOLBIZER, Federico; CABRINI, Romulo L  e  KESZLER, Alicia. Efficacy of core needle biopsy technique for jawbone diseases. Acta odontol. latinoam. [online]. 2015, vol.28, n.3, pp.245-250. ISSN 1852-4834.

Core needle biopsy (CNB) has been proven useful for diagnosing bone lesions, although it is not often used for jawbone lesions. The aim of this study was to evaluate the efficacy of the CNB method in a series of cases of intramaxillary lesions. CNB was performed on 85 patients with intraosseous lesions which were grouped according to radiographic appearance as: radiopaque lesions (RO, n=13), radiolucent lesions (RL, n=39) and mixed lesions with both radiolucent and radiopaque areas (RL-RO, n=33). The technique enabled us to obtain several tissue cylinders from each lesion (average 2.5 cylinders), which were processed following routine histopathological technique and H&E stain, plus special techniques when necessary. The histopathological analysis together with clinical data enabled accurate diagnosis (AD) in 81% of the cases and descriptive diagnosis (DD) in 14%. The material obtained in 5% of the cases was not appropriate for study (ND). The difference between successful (AD) and unsuccessful (DD+ND) CNB cases is statistically significant. The highest percentage of successful CBNs was for RO and RLRO lesions (85% and 100% respectively). RL lesions were more difficult because most of them were cystic lesions with fluid content.

Palavras-chave : Core needle biopsy; Jaw diseases.

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