scholarly journals Texture-based tissue characterization for high-resolution CT scans of coronary arteries

2009 ◽  
Vol 25 (6) ◽  
pp. 597-613 ◽  
Author(s):  
Manos Papadakis ◽  
Bernhard G. Bodmann ◽  
Simon K. Alexander ◽  
Deborah Vela ◽  
Shikha Baid ◽  
...  
Keyword(s):  
High Resolution ◽  
Coronary Arteries ◽  
Tissue Characterization ◽  
Ct Scans ◽  
High Resolution Ct

Morphometric Analysis of the Petroclival Angle in Adults Using High Resolution CT Scans

2020 ◽  
Author(s):  
Ahmad Alhourani ◽  
Zaid Aljuboori ◽  
Candice Nguyen ◽  
Heegok Yeo ◽  
Brian Williams ◽  
...  
Keyword(s):  
High Resolution ◽  
Morphometric Analysis ◽  
Ct Scans ◽  
High Resolution Ct

scholarly journals Qualitative Analysis of High-Resolution CT Scans in Severe Asthma

CHEST Journal ◽  
2009 ◽  
Vol 136 (6) ◽  
pp. 1521-1528 ◽  
Author(s):  
Sumit Gupta ◽  
Salman Siddiqui ◽  
Pranab Haldar ◽  
J. Vimal Raj ◽  
James J. Entwisle ◽  
...  
Keyword(s):  
High Resolution ◽  
Qualitative Analysis ◽  
Severe Asthma ◽  
Ct Scans ◽  
High Resolution Ct

scholarly journals Hypersensitivity Pneumonitis with Normal High Resolution Computed Tomography Scans

2001 ◽  
Vol 8 (2) ◽  
pp. 98-101 ◽  
Author(s):  
Farah J Nasser-Sharif ◽  
Meyer S Balter
Keyword(s):  
Computed Tomography ◽  
High Resolution ◽  
Lupus Erythematosus ◽  
Hypersensitivity Pneumonitis ◽  
Pulmonary Function Tests ◽  
Open Lung Biopsy ◽  
Ct Scans ◽  
High Resolution Computed Tomography ◽  
High Resolution Ct ◽  
History Of

A case of symptomatic hypersensitivity pneumonitis with normal high resolution computed tomography (CT) scans is presented. The patient, a 32-year-old man with systemic lupus erythematosus, had a chronic, progressive history of respiratory symptoms, abnormal findings on examination and abnormal pulmonary function tests but normal high resolution CT scans of the chest. Diagnosis was made through open lung biopsy. Clinical improvement was seen on removal of the offending antigen. The literature on the utility of high resolution CT scans in hypersensitivity pneumonitis is reviewed.

scholarly journals Pulmonary fibrosis: tissue characterization using late-enhanced MRI compared with unenhanced anatomic high-resolution CT

2017 ◽  
Vol 23 (2) ◽  
pp. 106-111 ◽  
Author(s):  
Lisa P. Lavelle ◽  
Darragh Brady ◽  
Sinead McEvoy ◽  
David Murphy ◽  
Brian Gibney ◽  
...  
Keyword(s):  
High Resolution ◽  
Pulmonary Fibrosis ◽  
Tissue Characterization ◽  
High Resolution Ct ◽  
Enhanced Mri

scholarly journals Tracheal Tube Obstruction in Mechanically Ventilated Patients Assessed by High-resolution Computed Tomography

2014 ◽  
Vol 121 (6) ◽  
pp. 1226-1235 ◽  
Author(s):  
Cristina Mietto ◽  
Riccardo Pinciroli ◽  
Annop Piriyapatsom ◽  
John G. Thomas ◽  
Lynn Bry ◽  
...  
Keyword(s):  
Computed Tomography ◽  
High Resolution ◽  
Tracheal Tube ◽  
Chest Ct ◽  
Ct Scans ◽  
Common Finding ◽  
High Resolution Computed Tomography ◽  
Airflow Resistance ◽  
High Resolution Ct ◽  
Ventilated Patients

Abstract Background: Tracheal intubation compromises mucus clearance and secretions accumulate inside the tracheal tube (TT). The aim of this study was to evaluate with a novel methodology TT luminal obstruction in critically ill patients. Methods: This was a three-phase study: (1) the authors collected 20 TTs at extubation. High-resolution computed tomography (CT) was performed to determine cross-sectional area (CSA) and mucus distribution within the TT; (2) five TTs partially filled with silicone were used to correlate high-resolution CT results and increased airflow resistance; and (3) 20 chest CT scans of intubated patients were reviewed for detection of secretions in ventilated patients’ TT. Results: Postextubation TTs showed a maximum CSA reduction of (mean ± SD) 24.9 ± 3.9% (range 3.3 to 71.2%) after a median intubation of 4.5 (interquartile range 2.5 to 6.5) days. CSA progressively decreased from oral to lung end of used TTs. The luminal volume of air was different between used and new TTs for all internal diameters (P < 0.01 for new vs. used TTs for all studied internal diameters). The relationship between pressure drop and increasing airflow rates was nonlinear and depended on minimum CSA available to ventilation. Weak correlation was found between TT occlusion and days of intubation (R2 = 0.352, P = 0.006). With standard clinical chest CT scans, 6 of 20 TTs showed measurable secretions with a CSA reduction of 24.0 ± 3.9%. Conclusions: TT luminal narrowing is a common finding and correlates with increased airflow resistance. The authors propose high-resolution CT as a novel technique to visualize and quantify secretions collected within the TT lumen.

Intrapulmonary lymph node: findings on high-resolution CT scans.

1993 ◽  
Vol 161 (1) ◽  
pp. 208-209 ◽  
Author(s):  
K Awai ◽  
Y Nishioka ◽  
Y Tachiyama
Keyword(s):  
Lymph Node ◽  
High Resolution ◽  
Ct Scans ◽  
High Resolution Ct
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