Analysis of muscle mass by computed tomography in patients with head and neck cancer: a prospective study

Q3 Medicine

Radiologia Brasileira Pub Date : 2023-12-01 DOI:10.1590/0100-3984.2023.0037

Thais Manfrinato Miola, A. Bitencourt, J. Souza, L. P. Kowalski, João Gonçalves Filho

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Abstract

Abstract Objective: To evaluate the preoperative muscle mass of patients with head and neck cancer (HNC) with computed tomography (CT), comparing the results obtained through analysis of cross-sectional areas at the level of the third lumbar vertebra (L3) with those obtained through analysis of cross-sectional areas at the levels of the third cervical and fourth thoracic vertebrae (C3 and T4, respectively). Materials and Methods: A total of 63 patients with HNC were evaluated preoperatively. Using CT, we assessed muscle mass at L3, as well as at C3 and T4. Results: Most (73.0%) of the patients had low muscle mass at L3, whereas 50.8% had a normal body mass index. The cross-sectional area at L3 correlated strongly with those at C3 and T4 (r = 0.831 and r = 0.763, respectively; p < 0.001 for both). In addition, the muscle mass index at L3 correlated strongly with those at C3 and T4 (r = 0.781 and r = 0.715, respectively; p < 0.001 for both). Conclusion: Low muscle mass appears to be highly prevalent in patients with HNC. Measurements at C3 and T4 could represent alternative means of assessing muscle mass in such patients.

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通过计算机断层扫描分析头颈部癌症患者的肌肉质量：一项前瞻性研究

【摘要】目的:通过CT评估头颈癌(HNC)患者术前肌肉质量，比较第三腰椎(L3)水平截面积与第三颈椎(C3)和第四胸椎(T4)水平截面积的分析结果。材料与方法:对63例HNC患者进行术前评估。通过CT，我们评估了L3、C3和T4的肌肉量。结果:大多数(73.0%)患者L3肌质量低，而50.8%的患者体重指数正常。L3截面积与C3、T4截面积相关性强(r = 0.831、r = 0.763);P < 0.001)。L3肌质量指数与C3、T4肌质量指数呈显著相关(r = 0.781、r = 0.715);P < 0.001)。结论:低肌肉量似乎在HNC患者中非常普遍。C3和T4的测量可以作为评估此类患者肌肉质量的替代方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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