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Ct chest imaging

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https://www.readbyqxmd.com/read/28641703/a-randomised-controlled-trial-to-assess-the-cost-effectiveness-of-intensive-versus-no-scheduled-follow-up-in-patients-who-have-undergone-resection-for-colorectal-cancer-with-curative-intent
#1
David Mant, Alastair Gray, Siân Pugh, Helen Campbell, Stephen George, Alice Fuller, Bethany Shinkins, Andrea Corkhill, Jane Mellor, Elizabeth Dixon, Louisa Little, Rafael Perera-Salazar, John Primrose
BACKGROUND: Intensive follow-up after surgery for colorectal cancer is common practice but lacks a firm evidence base. OBJECTIVE: To assess whether or not augmenting symptomatic follow-up in primary care with two intensive methods of follow-up [monitoring of blood carcinoembryonic antigen (CEA) levels and scheduled imaging] is effective and cost-effective in detecting the recurrence of colorectal cancer treatable surgically with curative intent. DESIGN: Randomised controlled open-label trial...
May 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28639114/imaging-guided-chest-biopsies-techniques-and-clinical-results
#2
REVIEW
Michele Anzidei, Andrea Porfiri, Fabrizio Andrani, Michele Di Martino, Luca Saba, Carlo Catalano, Mario Bezzi
BACKGROUND: This article aims to comprehensively describe indications, contraindications, technical aspects, diagnostic accuracy and complications of percutaneous lung biopsy. METHODS: Imaging-guided biopsy currently represents one of the predominant methods for obtaining tissue specimens in patients with lung nodules; in many cases treatment protocols are based on histological information; thus, biopsy is frequently performed, when technically feasible, or in case other techniques (such as bronchoscopy with lavage) are inconclusive...
June 21, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28637440/acute-airway-compromise-due-to-parathyroid-tumour-apoplexy-an-exceptionally-rare-and-potentially-life-threatening-presentation
#3
Aoife Garrahy, David Hogan, James Paul O'Neill, Amar Agha
BACKGROUND: Spontaneous haemorrhage into a parathyroid adenoma is a rare and potentially life-threatening presentation. CASE PRESENTATION: We report the case of a 45 year old female recently diagnosed with primary hyperparathyroidism who presented with chest discomfort and acute airway compromise due to spontaneous extracapsular haemorrhage into a parathyroid adenoma. Computed tomography (CT) imaging showed a hypopharyngeal haematoma extending 10 cm into the superior mediastinum...
June 21, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28635204/esophago-pulmonary-fistula-manifesting-as-recurrent-pneumonias-and-migrating-mediastinal-calcifications
#4
Jadd Kebbe, Sai Yendamuri, Charles Roche, Kassem Harris, Samjot Singh Dhillon
A 43-year old man presented with recurrent pneumonias, episodes of hemoptysis and an enlarging right lower lobe mass. A clear diagnosis was not previously established in spite of multiple radiological evaluations and biopsies. Meticulous review of his CT imaging showed that he had subcarinal calcification on his prior CT scans, which had decreased in size and now multiple new small areas of calcifications were seen in the right lower lobe lesion. An esophago-pulmonary fistula due to migration of mediastinal calcifications was suspected which was identified on careful review of the CT chest and confirmed by esophagogastroduodenoscopy...
May 18, 2017: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/28634529/duodenal-diverticulum-incidental-finding-with-potentially-dangerous-outcomes
#5
Stephen Melnick, Shoaib Fareedy, David Gish, Salik Nazir
We present the case of an 83-year-old woman with a past medical history significant for schizoaffective disorder, presenting to our emergency department with the complaint of 'pain'. Given the non-specific complaint and the limited history obtained, CT imaging was performed on her chest and abdomen which incidentally found a large duodenal diverticulum. This manuscript discusses the incidence of duodenal diverticula and the potential associated complications.
January 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28629605/ct-findings-in-11-patients-with-tafro-syndrome-a-variant-of-multicentric-castleman-s-disease
#6
T Kiguchi, C Sato, K Takai, Y Nakai, Y Kaneko, M Matsuki
AIM: To assess detailed computed tomography (CT) findings in patients with the recently described thrombocytopenia, anasarca, fever, reticulin fibrosis, and organomegaly (TAFRO) syndrome, in order to contribute to imaging interpretation in the challenging diagnosis of this disease. MATERIALS AND METHODS: The institutional review board approved this retrospective study and waived the need for informed consent. Eleven patients (six men, five women; mean age, 52.5 years) with confirmed TAFRO syndrome were included in this study...
June 16, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28629567/ct-coronary-calcium-scoring-with-tin-filtration-using-iterative-beam-hardening-calcium-correction-reconstruction
#7
Christian Tesche, Carlo N De Cecco, U Joseph Schoepf, Taylor M Duguay, Moritz H Albrecht, Domenico De Santis, Akos Varga-Szemes, Virginia W Lesslie, Ullrich Ebersberger, Richard R Bayer, Christian Canstein, Ellen Hoffmann, Thomas Allmendinger, John W Nance
OBJECTIVES: To investigate the diagnostic accuracy of CT coronary artery calcium scoring (CACS) with tin pre-filtration (Sn100kVp) using iterative beam-hardening correction (IBHC) calcium material reconstruction compared to the standard 120kVp acquisition. BACKGROUND: Third generation dual-source CT (DSCT) CACS with Sn100kVp acquisition allows significant dose reduction. However, the Sn100kVp spectrum is harder with lower contrast compared to 120kVp, resulting in lower calcium score values...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28628646/the-impact-of-glycemic-status-on-radiological-manifestations-of-pulmonary-tuberculosis-in-diabetic-patients
#8
Li-Kuo Huang, Hsueh-Han Wang, Yi-Chun Lai, Shi-Chuan Chang
SETTING: Diabetes mellitus (DM) may increase risk of pulmonary tuberculosis (PTB) and influence its radiological manifestations. OBJECTIVE: To evaluate the impact of glycemic status on radiological findings of PTB in diabetic patients. METHODS: Between January 2010 and December 2015, chest radiographs (CXRs) in consecutive 214 DM patients with culture-proved PTB and 123 available thoracic computed tomography (CT) scans were enrolled. An equal number of non-DM patients with similar demographics was included as the control group...
2017: PloS One
https://www.readbyqxmd.com/read/28626124/two-cases-of-tuberous-sclerosis-complex-suggestive-of-complicating-multifocal-micronodular-pneumocyte-hyperplasia-a-case-report
#9
Chinatsu Nishida, Kazuhiro Yatera, Takashi Kido, Shingo Noguchi, Kentaro Akata, Minako Hanaka, Kei Yamasaki, Teppei Hoshino, Masayuki Shimono, Hiroshi Ishimoto, Noriho Sakamoto, Hiroshi Mukae
Multifocal micronodular pneumocyte hyperplasia (MMPH) is pathologically characterized by multifocal nodular hyperplasia of type Ⅱ pneumocyte-like cells. MMPH is usually complicated with tuberous sclerosis complex (TSC). MMPH patients tend to be asymptomatic or only slightly symptomatic. MMPH tends to progress slowly and needs no treatment. We herein describe two cases of MMPH with its characteristic radiological features and clinical manifestations of TSC. Case 1: a 20-year-old female with definitive TSC in infancy...
2017: Journal of UOEH
https://www.readbyqxmd.com/read/28624057/surveillance-strategies-in-the-follow-up-of-melanoma-patients-too-much-or-not-enough
#10
James Kurtz, Georgia M Beasley, Doreen Agnese, Kari Kendra, Thomas E Olencki, Alicia Terando, J Harrison Howard
BACKGROUND: After appropriate initial therapy for patients with stage II-III melanoma, there is no consensus regarding surveillance. Thus, follow-up is highly variable among institutions and individual providers. The National Comprehensive Cancer Network recommends routine clinical examination and consideration of imaging for stage IIB-IIIC every 3-12 mo with no distinction between stages. Detection of recurrence is important as novel systemic therapies and surgical resection of recurrence may provide survival benefits...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28622164/measuring-left-ventricular-size-in-non-electrocardiographic-gated-chest-computed-tomography-what-radiologists-should-know
#11
Felipe S Torres, Luciano Folador, Diego A Eifer, Murilo Foppa, Kate Hanneman
Non-electrocardiographic (ECG)-gated computed tomography (CT) of the chest is one of the most commonly performed imaging studies. Although the heart is included in every CT study, cardiac findings are commonly underreported in radiology reports. Left ventricular size is one of the most important prognostic markers in multiple cardiac diseases and can be measured on almost all non-ECG-gated multidetector chest CT studies. This review will discuss the available evidence on different measurements of left ventricular size obtained on non-ECG-gated CT of the chest...
June 15, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28621248/-imaging-of-pleural-diseases-evaluation-of-imaging-methods-based-on-chest-radiography
#12
Necdet Poyraz, Havva Kalkan, Kemal Ödev, Sami Ceran
The most commonly employed radiologic method in diagnosis of pleural diseases is conventional chest radiograph. The commonest chest- X-Ray findings are the presence of pleural effusion and thickening. Small pleural effusions are not readily identified on posteroanterior chest radiograph. However, lateral decubitus chest radiograph and chest ultrasonography may show small pleural effusions. These are more efficient methods than posteroanterior chest radiograph in the erect position for demonstrating small amounts of free pleural effusions...
March 2017: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/28616378/primary-ciliary-dyskinesia-presenting-with-spontaneous-pneumothorax-case-report-and-review-of-the-literature
#13
Jia Hou, Yanan Zhang, Ri Gong, Xiwei Zheng, Xia Yang
BACKGROUND: Primary ciliary dyskinesia (PCD) is an autosomal recessive heterogeneous group of conditions with variable clinical findings. CASE PRESENTATION: A 36-year-old nonsmoking Chinese man present to the emergency department of our hospital with acute-onset breathlessness and sudden-onset left-sided chest pain. The patient had 6 years primary infertility and suffered from recurrent episodes of respiratory tract infections since childhood. Chest X-ray was performed, which showed a left-sided pneumothorax with lung collapse...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28615652/development-of-a-computer-aided-design-and-finite-element-analysis-combined-method-for-customized-nuss-bar-in-pectus-excavatum-surgery
#14
Longhan Xie, Siqi Cai, Liang Xie, Gang Chen, Haiyu Zhou
Pectus excavatum (PEX) is the most common chest deformity in children, which is usually corrected by using the minimally invasive Nuss method. The orthopedic effect of the Nuss operation is mainly evaluated by both the Haller index and the appearance of the chest wall configuration, which is dependent on the operator's clinical experience to a great extent. To improve the orthopedic effect, we proposed a novel method to individually design and optimize the shape of the Nuss bar and to advise its location as well as the incisions...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28613921/high-attenuation-areas-on-chest-ct-and-clinical-respiratory-outcomes-in-community-dwelling-adults
#15
Anna J Podolanczuk, Elizabeth C Oelsner, R Graham Barr, Elana J Bernstein, Eric A Hoffman, Imaani J Easthausen, Karen Hinckley Stukovsky, Arindam RoyChoudhury, Erin D Michos, Ganesh Raghu, Steven M Kawut, David J Lederer
RATIONALE: Areas of increased lung attenuation on computed tomography are associated with all-cause mortality in the general population. It is uncertain whether this association is attributable to interstitial lung disease (ILD). OBJECTIVES: To determine whether high attenuation areas are associated with the risk of ILD hospitalization and mortality in the general population. METHODS: We performed a cohort study of 6,808 adults aged 45-84 sampled from six communities in the United States...
June 14, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28612037/large-scale-image-region-documentation-for-fully-automated-image-biomarker-algorithm-development-and-evaluation
#16
Anthony P Reeves, Yiting Xie, Shuang Liu
With the advent of fully automated image analysis and modern machine learning methods, there is a need for very large image datasets having documented segmentations for both computer algorithm training and evaluation. This paper presents a method and implementation for facilitating such datasets that addresses the critical issue of size scaling for algorithm validation and evaluation; current evaluation methods that are usually used in academic studies do not scale to large datasets. This method includes protocols for the documentation of many regions in very large image datasets; the documentation may be incrementally updated by new image data and by improved algorithm outcomes...
April 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28606593/sub-solid-nodule-detection-performance-on-reduced-dose-computed-tomography-with-iterative-reduction-comparison-between-20%C3%A2-ma-7%C3%A2-mas-and-120%C3%A2-ma-42%C3%A2-mas-regarding-nodular-size-and-characteristics-and-association-with-size-specific-dose-estimate
#17
Yukihiro Nagatani, Masashi Takahashi, Mitsuru Ikeda, Tsuneo Yamashiro, Hisanobu Koyama, Mitsuhiro Koyama, Hiroshi Moriya, Satoshi Noma, Noriyuki Tomiyama, Yoshiharu Ohno, Kiyoshi Murata, Sadayuki Murayama
RATIONALE AND OBJECTIVES: This study aimed to compare sub-solid nodule detection performances (SSNDP) on chest computed tomography (CT) with Adaptive Iterative Dose Reduction using Three Dimensional Processing (AIDR 3D) between 7 mAs (0.21 mSv) and 42 mAs (1.28 mSv) in total and in subgroups classified by nodular size, characteristics, and location, and analyze the association of SSNDP with size-specific dose estimate (SSDE). MATERIALS AND METHODS: As part of the Area-detector Computed Tomography for the Investigation of Thoracic Diseases Study, a Japanese multicenter research project, 68 subjects underwent chest CT with 120 kV, 0...
June 9, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28604833/chest-mri-under-pulsatile-flow-ventilation-a-new-promising-technique
#18
Catherine Beigelman-Aubry, Nicolas Peguret, Matthias Stuber, Jean Delacoste, Bastien Belmondo, Alban Lovis, Julien Simons, Olivier Long, Kathleen Grant, Gregoire Berchier, Chantal Rohner, Gabriele Bonanno, Simone Coppo, Juerg Schwitter, Mahmut Ozsahin, Salah Qanadli, Reto Meuli, Jean Bourhis
OBJECTIVES: Magnetic resonance imaging (MRI) of the chest has long suffered from its sensitivity to respiratory and cardiac motion with an intrinsically low signal to noise ratio and a limited spatial resolution. The purpose of this study was to perform chest MRI under an adapted non invasive pulsatile flow ventilation system (high frequency percussive ventilation, HFPV®) allowing breath hold durations 10 to 15 times longer than other existing systems. METHODS: One volunteer and one patient known for a thymic lesion underwent a chest MRI under ventilation percussion technique (VP-MR)...
2017: PloS One
https://www.readbyqxmd.com/read/28603622/a-bronchial-fibroepithelial-polyp-with-abnormal-findings-on-auto-fluorescence-imaging
#19
Naomi Saito, Masahiro Yamasaki, Wakako Daido, Sayaka Ishiyama, Naoko Deguchi, Masaya Taniwaki
Bronchial fibroepithelial polyps represent a rare type of tumour that displays endobronchial growth. The findings of these lesions on auto-fluorescence imaging (AFI) bronchoscopy have not been reported, despite the usefulness of AFI in detecting early lung cancer. We report the case of a patient with a bronchial fibroepithelial polyp that displayed positivity (magenta colour) on AFI. The patient was a 65-year-old man, in whom an endobronchial polypoid lesion of 10 mm diameter had been detected in the right basal bronchus by chest computed tomography (CT)...
September 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28601333/variability-in-ct-imaging-of-blunt-trauma-among-ed-physicians-surgical-residents-and-trauma-surgeons
#20
Melissa K James, Shi-Wen Lee, Jennifer A Minneman, Maureen D Moore, Taylor R Klein, R Jonathan Robitsek, Phillip S Barie, Sebastian D Schubl
BACKGROUND: Trauma triage decisions can be influenced by both knowledge and experience. Consequently, there may be substantial variability in computed tomography (CT) scans desired by emergency medicine physicians, surgical chief residents, and attending trauma surgeons. We quantified this difference and studied the effects of each group's decisions on missed injuries, cost, and radiation exposure. METHODS: All blunt trauma activations at an urban level 1 trauma center were studied over a 6-mo period...
June 1, 2017: Journal of Surgical Research
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