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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists


 
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Year : 2020  |  Volume : 24  |  Issue : 3  |  Page : 581
Histological assessment of budding and depth of invasion (BD) model in biopsies of oral squamous cell carcinoma


1 Department of Oral Pathology and Microbiology, S.D.M College of Dental Sciences and Hospital, Unit of Shri Dharmasthala Manjunatheswara University, Dharwad, Karnataka, India
2 Department of Oral and Maxillofacial Surgery, S.D.M College of Dental Sciences and Hospital, Unit of Shri Dharmasthala Manjunatheswara University, Dharwad, Karnataka, India

Correspondence Address:
Swetha Acharya
Department of Oral Pathology and Microbiology, S.D.M College of Dental Sciences and Hospital, Dharwad, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jomfp.JOMFP_236_19

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Objectives: Recognizing precise prognosticators from preoperative biopsies that aids in treatment is of immense clinical importance. Thus, the aim of this study was to assess and compare the tumor budding (B), depth of invasion (D) and combined scores (BD) model in the preoperative biopsies and subsequent postoperative specimens of oral squamous cell carcinoma (OSCC). Material and Methods: B and D were assessed in the pre- and postoperative specimens of 65 OSCC cases treated in the institution. Relationship between pre- and postoperative assessments was subjected to McNemar's, Chi-square, Fisher's exact, sensitivity and specificity statistics. Results: There was an agreement between the pre- and postoperative B scores in 54 cases with accuracy of 83% (95% confidence interval 71.73%–91.24%). The preoperative scores showed a good sensitivity of 67.86% and a high specificity of 94.59% in predicting the postoperative score of the same. The difference in assessing intensity B as low and high between preoperative and postoperative biopsies was not statistically different. There was an agreement between the pre- and postoperative scores of the BD model in 72%. The difference in BD scoring as low intermediate and high between preoperative and postoperative biopsies were significantly different statistically. Postoperative BD scoring showed a significant association with stage and lymph node metastasis. Conclusions: The findings validate the prognostic value of BD model in the postoperative specimens. Its value in preoperative biopsies is questionable. A judicious representative biopsy may increase the accuracy and reliability in the assessment of preoperative B and precision in BD model evaluation.


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Journal of Oral and Maxillofacial Pathology | Published by Wolters Kluwer - Medknow
Online since 15th Aug, 2007