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Purpose <p>Stage is the most important factor determining the prognosis of lung cancer and rib invasion is one of the components directly affecting the stage. It is known that computerized tomography (CT) is inadequate in detecting rib invasions. In this study, we aimed to investigate whether thoracic ultrasonography (US) is an effective method for predicting tumor invasion to the ribs.</p> Materials and methods <p>48 eligible patients who were operated on in our hospital between March 2022 and November 2023 and were suspected of having rib invasion were examined with CT and thoracic US. Decisions about the presence of rib invasion were noted by the operator based on the CT image and by the researcher based on the US result, without being aware of each other. The results were checked with the pathological report of the specimen.</p> Results <p>Of the 48 patients included in the study, 41 were men and 7 were women. 8 patients were operated after neoadjuvant oncological treatment. Rib invasion was observed in 19 patients. The sensitivity of US was calculated as 89.4% and its specificity as 93.1%, while the sensitivity of CT was calculated as 57.8% and specificity as 72.4%.</p> Conclusion <p>Thoracic US provides more accurate results than CT imaging in examining rib invasion. Due to reliable preoperative data, patients’ staging can be done accurately, thus appropriate patients can be identified to receive neoadjuvant treatment. We think that utilization of US in patients with suspected rib invasion provides cheap, fast and reliable information that will benefit the patient’s treatment plan.</p>

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Is Thoracic Ultrasound a Better Way to Predict Rib Invasion of Lung Cancer?

  • 期刊论文

  • 发表日期：

    2026年6月22日

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  • Umut Kilimci,
  • Celal Buğra Sezen,
  • Mustafa Vedat Doğru,
  • Didem Zirek,
  • Özkan Saydam,
  • Ezgi Nilay Yağcı Kazanasmaz,
  • Aysun Ölçmen

摘要

Purpose

Stage is the most important factor determining the prognosis of lung cancer and rib invasion is one of the components directly affecting the stage. It is known that computerized tomography (CT) is inadequate in detecting rib invasions. In this study, we aimed to investigate whether thoracic ultrasonography (US) is an effective method for predicting tumor invasion to the ribs.

Materials and methods

48 eligible patients who were operated on in our hospital between March 2022 and November 2023 and were suspected of having rib invasion were examined with CT and thoracic US. Decisions about the presence of rib invasion were noted by the operator based on the CT image and by the researcher based on the US result, without being aware of each other. The results were checked with the pathological report of the specimen.

Results

Of the 48 patients included in the study, 41 were men and 7 were women. 8 patients were operated after neoadjuvant oncological treatment. Rib invasion was observed in 19 patients. The sensitivity of US was calculated as 89.4% and its specificity as 93.1%, while the sensitivity of CT was calculated as 57.8% and specificity as 72.4%.

Conclusion

Thoracic US provides more accurate results than CT imaging in examining rib invasion. Due to reliable preoperative data, patients’ staging can be done accurately, thus appropriate patients can be identified to receive neoadjuvant treatment. We think that utilization of US in patients with suspected rib invasion provides cheap, fast and reliable information that will benefit the patient’s treatment plan.