Stenosis of the central airways: evaluation by using helical CT with multiplanar reconstructions.

Quint, Leslie E.; Whyte, Richard I.; Kazerooni, Ella A.; Martínez, Fernando J.; Cascade, Philip N.; Lynch, Joseph P.; Orringer, Mark B.; Brunsting, Louis A.; Deeb, G. Michael

doi:10.1148/radiology.194.3.7862994

Cited by 136 publications

(56 citation statements)

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“…Spiral CT post-processing techniques have developed rapidly in recent years. MPR is simple and fast and can reconstruct images in any plane and direction (9). Reconstruction of images in the coronal, sagittal, and crosssectional planes can clearly show the length and range of tumour invasion into the blood vessels, trachea, and bronchi (10,11), providing the basis for doctors to develop suitable surgical plans.…”

Section: Discussionmentioning

confidence: 99%

Preoperative evaluation of stage T3, central-type non-small cell lung cancer with double sleeve lobectomy under complete video-assisted thoracoscopic surgery using spiral computed tomography post-processing techniques

et al. 2016

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Background: To investigate the estimated value of spiral computed tomography (CT) post-processing techniques in preoperative stage T3, central-type non-small cell lung cancer (NSCLC) with double sleeve lobectomy under complete video-assisted thoracoscopic surgery (c-VATS).Methods: Preoperative clinical date and CT reconstructed data of 10 patients who underwent double sleeve lobectomy with upper lobe stage T3, central-type NSCLC were retrospectively analysed and compared to surgical pathological results and cross-sectional CT data. The diagnostic criterions of tumour invasion of pulmonary artery and bronchus were divided into five grades, which included estimation of upper lobe pulmonary arteries and bronchi (40 branches, respectively). Results: The sensitivity, specificity, positive predictive value, negative predictive value, and diagnostic accuracy of cross-sectional CT images of pulmonary artery tumour invasion were 78.57%, 58.33%, 81.48%, 53.85%, and 72.50%, respectively, while the respective values for CT reconstructed images were 93.55%, 87.50%, 96.67%, 70.00%, and 90.00%, showing statistical significance (χ 2 =4.021, P=0.045). Similarly, the evaluate, the sensitivity, specificity, positive predictive value, negative predictive value, and diagnostic accuracy of cross-sectional CT images of bronchial tumour invasion were 82.76%, 45.45%, 80.00%, 50.00%, and 72.50%, respectively, while the respective values for CT reconstructed images were 97.06%, 66.67%, 94.29%, 80.00%, 92.50%; these results were also statistically significant (χ 2 =5.541, P=0.019). Conclusions:The sensitivity, specificity, and diagnostic accuracy of the spiral CT post-processing techniques were better than cross-sectional CT images in estimating the extent of tumour invasion in the pulmonary arteries and bronchi of central-type NSCLC. CT post-processing techniques are essential tools in preoperative examination and operative method selection of central-type lung cancer with double sleeve lobectomy under c-VATS.

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Section: Discussionmentioning

confidence: 99%

Preoperative evaluation of stage T3, central-type non-small cell lung cancer with double sleeve lobectomy under complete video-assisted thoracoscopic surgery using spiral computed tomography post-processing techniques

et al. 2016

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“…7 Quint showed that a CT scan with multiplanar reconstruction is 90% accurate for the diagnosis of the anomaly and also shows the morphology and extent of tracheal stenosis. 8 A three dimensional CT scan was also used for diagnosis in a case of tracheal web reported by Yang. 9 Thus CT scans should …”

Section: Discussionmentioning

confidence: 99%

Shortness of breath caused by a tracheal web

Jafar

Islam²,

Alalawi³

2015

SW Resp Crit Care Chron

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Tracheal webs are rare anomalies that can be either congenital or acquired due to prolonged or traumatic endotracheal intubation. Patients with tracheal webs present with shortness of breath especially during exertion, stridor, and recurrent chest infections. They are often misdiagnosed and treated as bronchial asthma with only minimal relief of symptoms with bronchodilators. This condition can also present as a cause of difficult endotracheal intubations. CT scans of the chest can be used to screen for airway anomalies; bronchoscopy is both diagnostic and therapeutic. Here we present a 34-year-old woman with a tracheal web who had been on treatment for refractory asthma for many years with only partial relief of her symptoms.

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“…Five patients had tracheobronchial compression to some degree, caused by tortuous and dilated large and medium-sized thoracic arteries ( Figure 3). The severity of the tracheobronchial compression was categorized as mild (<25%), moderate (25-75%), or severe (>75%) by comparing the area of stenosis with that of the adjacent normal trachea or bronchus using a lung window (window width, 1500 HU; window level, -500 HU) [12] on the axial section. Among these six patients, five (5/6) had mild compression located at the upper one third of trachea, one (1/6) had severe compression located at the upper two thirds of trachea, three (3/6) had mild compression located at the lower one third of trachea and three (3/6) had mild left main bronchial compression.…”

Section: Imaging Findingsmentioning

confidence: 99%

Noninvasive Imaging Study of Tracheobronchial Compression Caused By Tortuosity and Dilation of the Thoracic Artery

Sheng¹,

Sun²,

Gao³

2015

J Pulm Respir Med

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Stenosis of the central airways: evaluation by using helical CT with multiplanar reconstructions.

Abstract: CT with MPRs may be more accurate than thin-section axial CT in the demonstration of mild stenosis, the length of a stenosis, and horizontal webs.

Cited by 136 publications

References 0 publications

Preoperative evaluation of stage T3, central-type non-small cell lung cancer with double sleeve lobectomy under complete video-assisted thoracoscopic surgery using spiral computed tomography post-processing techniques

Preoperative evaluation of stage T3, central-type non-small cell lung cancer with double sleeve lobectomy under complete video-assisted thoracoscopic surgery using spiral computed tomography post-processing techniques

Shortness of breath caused by a tracheal web

Noninvasive Imaging Study of Tracheobronchial Compression Caused By Tortuosity and Dilation of the Thoracic Artery

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