Thoracic ct
Contrast opacification on thoracic CT angiography: challenges and solutions
... Abstract Contrast flow and enhancement patterns seen on thoracic CT angiography (CTA) can often be challenging and may often reveal more than is immediately apparent. A non-diagnostic CTA following the ...
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Significant incidental cardiac disease on thoracic CT: what the general radiologist needs to know
... on thoracic CT performed for other ...on thoracic CT, as some will require spe- cific further referral or diagnostic ...chest CT examinations and be confident to direct the next man- ...
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Shape-Based Computer-Aided Detection of Lung Nodules in Thoracic CT Images
... We have presented a new method for nodule segmentation by integrating five dimensional spatial-intensity-shape features into the mean shift framework. Additionally, we present MEM-based segmentation that uses both shape ...
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Limits of normality of quantitative thoracic CT analysis
... helical CT scan data from normal populations - such as total lung weight, distribution of lung tissue or superimposed pressure - are scarce, and usually refer to few subjects ...The CT data from a normal ...
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Associations between respiratory signs and abnormalities reported in thoracic CT scans of cats
... (1999) Decision making in radiology.. Examples of CT images reported as showing signs of pulmonary atelectasis. All are transverse images displayed with window 1500HU and centre -500HU.[r] ...
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Retrocrural Space Obliteration as CT Diagnostic Sign of Massive Chylothorax in Thoracic Injuries
... Detector CT) scan for thoracic or thoracic-abdominal trauma, or after a thoracic surgery procedure observed in Emergency Radiology department until May ...of thoracic CT scan ...
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... chest CT regardless of radiologists’ varying experiences and skills, and in turn, help clinicians to make an empirical judgment in treating ...non-enhanced thoracic CT is as an innovative tool in ...
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Role of Transbronchial Needle Aspiration in Patients with Thoracic Lymphadenopathy on CT Scan
... TBNA of selected mediastinal adenopathies stations was performed before exploration of the bronchial tree while avoiding bronchoscopic aspiration or contamination with secretions, as far as possible. The insertion point ...
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Challenges in the prenatal and post natal diagnosis of mediastinal cystic hygroma: a case report
... a CT scan [10]. CT is helpful in confirming the cystic nature of the mass and the anatomical ...on CT is a well-capsulated, smoothly mar- ginated and cystic mass, with no evidence of calcification ...
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Texture Analysis and Machine Learning to Predict Pulmonary Ventilation from Thoracic Computed Tomography
... NC). Thoracic CT was acquired on a 64-slice Lightspeed VCT scanner (GEHC, Milwaukee, WI) (64 × ...1.0). CT images were reconstructed using a slice thickness of ...of CT patient dosimetry ...
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Hyperpolarized 3He Magnetic Resonance Imaging Phenotypes of Chronic Obstructive Pulmonary Disease
... using CT to evaluate and monitor COPD is the radiation dose associated with each ...chest CT is estimated to be ~7 mSv which is equivalent to ...if CT is the only option available for pulmonary ...
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Surgical Management of Pyothorax: A Series of 172 Cases
... of Thoracic Surgery ...cases. Thoracic CT, performed in all patients, revealed pachypleuritis in all cases, a pyothorax compartmentalized in ...with thoracic drainage, bi-antibiotic therapy ...
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A comparison of pediatric and adult CT organ dose estimation methods
... pelvis; CT: Computed tomography; CTDI: Computed tomography dose index; DIR: Dose Index Registry; DLP: Dose length product; ED103: Effective Dose calculated with tissue weighting factors from ICRP Publication 103; ...
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Evaluation of the factors affecting the maximum standardized uptake value of metastatic lymph nodes in different histological types of non-small cell lung cancer on PET-CT
... Although it is indicated that the SUVmax of SCC is higher than that of AC, it still remains unclear whether the SUVmax of metastatic lymph nodes in SCC patients is also higher than that in AC patients. Our study showed ...
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Determination of radiotherapeutic target zones for thoracic esophageal squamous cell cancer with lower cervical lymph node metastasis according to CT-images
... 386 thoracic esophageal cancer patients to explore the pattern of supraclavicular lymph node metastasis and find out the high-risk zones of supraclavicular lymph node ...
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Application of trans-thoracic echocardiography and coronary CT angiography to diagnose mitral valve prolapse
... tween CT angiography and trans-thoracic echocardiog- ...that CT angiography possessed a higher specificity for diagnosing mitral valve prolapse and an acceptable sensitivity, which was basically the ...
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Impact of CT slice thickness on volume and dose evaluation during thoracic cancer radiotherapy
... a CT image with a slice thickness of 2 mm (2–CT) was obtained with the patient breathing freely by a CT simulator (Brilliance-16, Philips Medical Systems ...
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Radiation dose differences between thoracic radiotherapy planning CT and thoracic diagnostic CT scans
... two CT groups in our current study are not fully matched, especially for the height ...individual CT dose ...detailed CT parameters for RP- and DG-CT protocols on image quality are not ...
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Thoracic, abdominal and musculoskeletal involvement in Erdheim-Chester disease: CT, MR and PET imaging findings
... The aorta is the vascular structure more commonly affected by this disease, and its involvement when diffuse looks like a regular circumferential periaortic infiltration, giving the appearance of a “coated aorta” [16]. ...
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Comparative evaluation of 18F-FLT and 18F-FDG for detecting cardiac and extra-cardiac thoracic involvement in patients with newly diagnosed sarcoidosis
... detecting cardiac sarcoidosis indicated relatively high sensitivity (79–100%), which is also comparable to that of the present study (85%), but low specificity (38–100%) [9]. The present study showed a high specificity ...
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