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06.03.2019 | Case Report | Ausgabe 12/2019

General Thoracic and Cardiovascular Surgery 12/2019

The preoperative assessment of subpleural lung cancer movement to distinguish thoracic wall adhesion or invasion using four-dimensional computed-tomography

General Thoracic and Cardiovascular Surgery > Ausgabe 12/2019
Jun Suzuki, Hiroyuki Oizumi, Hikaru Watarai, Akira Hamada, Kenta Nakahashi, Satoshi Takamori, Mitsuaki Sadahiro
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The online version of this article (https://​doi.​org/​10.​1007/​s11748-019-01090-x) contains supplementary material, which is available to authorized users.

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Four-dimensional computed tomography (4DCT) is a relatively new technology. A review of the relevant medical literature reveals only very limited previous investigations of the utility of this technique. We report two cases of lung cancer located adjacent to the pleura in which 4DCT was used to assess parietal pleural invasion or adhesion based on the differential movements of tumors. We performed 4DCT to determine the surgical approach after obtaining appropriate informed consent from the patient. Based on 4DCT, Patient 1 showed there was no adhesion and we could perform thoracoscopic right lower lobectomy and the final pathological diagnosis was pT1bN0M0. Patient 2 Based on 4DCT, showed suspicious of invasion or adhesion. we performed chest wall resection because of tumor invasion in the eighth and ninth costal bones; a final pathological diagnosis of pT3N0M0 was made.

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Video 1 Differential motion between the tumor and pleura (MP4 1998 KB)
Video 2 Close contact between the tumor and pleura with a lack of differential motion, suggesting tight tethering (MP4 9693 KB)
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