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首页> 外文期刊>Academic radiology >Digital tomosynthesis as a problem-solving imaging technique to confirm or exclude potential thoracic lesions based on chest x-ray radiography
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Digital tomosynthesis as a problem-solving imaging technique to confirm or exclude potential thoracic lesions based on chest x-ray radiography

机译：数字断层合成技术是一种解决问题的成像技术，可基于胸部X射线照相术来确认或排除潜在的胸腔病变

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Rationale and Objectives: To assess the capability of digital tomosynthesis (DTS) as a problem-solving imaging technique to confirm or exclude potential thoracic lesions based on chest x-ray radiography (CXR). Materials and Methods: Four hundred and-sixty five patients (263 male, 202 female; age, 72.47 ?? 11.33 years) with suspected thoracic lesion(s) after the initial onsite analysis of CXR underwent DTS. Two independent readers prospectively analyzed in consensus CXR and DTS images on a picture archiving and communications system-integrated workstation and proposed a diagnosis according to a confidence score for each lesion: 1 or 2 = definite or probable pulmonary or pleural benign lesion or pseudolesion deserving no further diagnostic work-up; 3 = indeterminate; 4 or 5 = probable or definite pulmonary lesion deserving further diagnostic work-up by computed tomography (CT). In patients who did not undergo chest CT, the DTS findings had to be confirmed by 6 to 12 months' imaging follow-up. Results: Finally, 229 pulmonary lesions (193 thoracic and 36 pleural lesions) and 236 pseudolesions were identified. Based on DTS images, readers correctly classified all pseudolesions except for 10/236 (reader 1) or 11/236 (reader 2) pseudolesions and 7 (reader 1) or 6 (reader 2) pulmonary subpleural lesions located in the anterior or posterior lung region close to the thoracic wall. Chest CT was performed in 127/465 (27%) patients, whereas in 338/465 patients (73%) CXR doubtful findings were resolved by DTS. Conclusions: DTS allowed to exclude most pseudolesions initially considered as potential thoracic lesions on the preliminary onsite assessment of CXR and allowed to exclude pulmonary lesions deserving CT assessment in about three fourths of the patients. ? 2013 AUR.
机译：原理和目的：评估数字断层合成（DTS）作为解决问题的成像技术，以基于胸部X射线照相（CXR）确认或排除潜在胸腔病变的能力。材料和方法：最初对CXR进行现场分析后，有465名患者（男263例，女202例;年龄72.47 11. 11.33岁）被怀疑患有胸部病变，接受了DTS。两名独立的读者在集成了图像存档和通信系统的工作站上对CXR和DTS的共识图像进行了前瞻性分析，并根据每个病变的置信度评分提出了诊断：1或2 =明确或可能的肺部或胸膜良性病变或假性病变，无进一步的诊断检查; 3 =不确定; 4或5 =可能或确定的肺部病变，需要通过计算机断层扫描（CT）进行进一步的诊断检查。对于未接受胸部CT检查的患者，必须通过6到12个月的影像学检查来证实DTS的发现。结果：最后，鉴定出229例肺部病变（193例胸腔和36例胸膜病变）和236例假性病变。根据DTS图像，除了10/236（阅读器1）或11/236（阅读器2）假性病变以及位于肺前或后肺的7（阅读器1）或6（阅读器2）肺胸膜下病变以外，阅读器可以对所有假病变进行正确分类。靠近胸壁的区域。 127/465（27％）患者进行了胸部CT检查，而338/465（73％）患者通过DTS解决了可疑的X线表现。结论：在初步现场评估CXR时，DTS可以排除最初被认为是潜在胸腔病变的大多数假性病变，并应在约四分之三的患者中排除值得CT评估的肺部病变。 ？ 2013 AUR。

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