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Objective <p>This retrospective study compared the thickness and degree of resorption of the mandibular cortex in patients with head and neck cancer (AG), patients with cancer at sites other than the head and neck (BG), and patients with no cancer (CG) to describe and compare the changes in the mandible after antineoplastic therapy and their possible clinical implications.</p> Materials and methods <p>A total of 287 panoramic radiographs were examined. The following radiomorphometric indices were analyzed: mental index (MI), panoramic mandibular index (PMI), and mandibular cortical index (MCI). Analysis of variance (ANOVA) and the Kruskal‒Wallis test, with <i>p</i> &lt; 0.05 considered significant, were performed.</p> Results <p>Males predominated in the AG (83%), while females predominated in the BG and CG (78.6 and 62%, respectively). In the AG, tongue carcinoma (22.1%) was prevalent, while in the BG, breast carcinoma was predominant (53.8%). All parameters measured in the AG and BG patients were significantly lower than those in the CG patients: MI (<i>p</i> &lt; 0.001), right PMIc/a (<i>p</i> &lt; 0.001), left PMIc/a (<i>p</i> &lt; 0.001), right PMIc/b (<i>p</i> = 0.004), left PMIc/b (<i>p</i> &lt; 0.001), and MCI (<i>p</i> &lt; 0.001).</p> Conclusions <p>Radiomorphometric indices MI, PMI, and MCI were significantly lower in panoramic radiographs of patients with head and neck cancer and patients with cancer in other regions of the body than in those of nononcological patients.</p>

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Radiomorphometric indices for measuring mandibular bone quality in oncologic patients

  • 期刊论文

  • 发表日期：

    2025年1月20日

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  • Mailon Cury Carneiro,
  • Lukas Mendes de Abreu,
  • Laura Vidoto Paludetto,
  • Paulo Sérgio da Silva Santos,
  • Izabel Regina Fischer Rubira-Bullen,
  • Cássia Maria Fischer Rubira

摘要

Objective

This retrospective study compared the thickness and degree of resorption of the mandibular cortex in patients with head and neck cancer (AG), patients with cancer at sites other than the head and neck (BG), and patients with no cancer (CG) to describe and compare the changes in the mandible after antineoplastic therapy and their possible clinical implications.

Materials and methods

A total of 287 panoramic radiographs were examined. The following radiomorphometric indices were analyzed: mental index (MI), panoramic mandibular index (PMI), and mandibular cortical index (MCI). Analysis of variance (ANOVA) and the Kruskal‒Wallis test, with p < 0.05 considered significant, were performed.

Results

Males predominated in the AG (83%), while females predominated in the BG and CG (78.6 and 62%, respectively). In the AG, tongue carcinoma (22.1%) was prevalent, while in the BG, breast carcinoma was predominant (53.8%). All parameters measured in the AG and BG patients were significantly lower than those in the CG patients: MI (p < 0.001), right PMIc/a (p < 0.001), left PMIc/a (p < 0.001), right PMIc/b (p = 0.004), left PMIc/b (p < 0.001), and MCI (p < 0.001).

Conclusions

Radiomorphometric indices MI, PMI, and MCI were significantly lower in panoramic radiographs of patients with head and neck cancer and patients with cancer in other regions of the body than in those of nononcological patients.