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Thoracic CT

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https://www.readbyqxmd.com/read/29452856/generalized-cardiovascular-disease-on-a-preoperative-ct-scan-is-predictive-for-anastomotic-leakage-after-esophagectomy
#1
Alicia S Borggreve, Lucas Goense, Peter S N van Rossum, Richard van Hillegersberg, Pim A de Jong, Jelle P Ruurda
BACKGROUND: Recent studies demonstrated that calcification of arteries supplying the gastric tube is associated with anastomotic leakage after esophagectomy. However, it remains unclear whether this association only derives from local flow limitations, or generalized vascular disease as well. The purpose of this study was to determine whether calcification throughout the entire cardiovascular system is associated with anastomotic leakage. METHODS: Consecutive patients who underwent an esophagectomy with gastric tube reconstruction and cervical anastomosis for esophageal cancer were analyzed...
February 2, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29451037/esophageal-hiatal-hernia-risk-diagnosis-and-management
#2
Hai-Xiang Yu, Chun-Shan Han, Jin-Ru Xue, Zhi-Feng Han, Hua Xin
Esophageal hiatal hernia involves abnormal abdominal entry into thoracic cavity. It is classified based on orientation between esophageal junction and diaphragm. Sliding hiatal hernia (Type-I) comprises the most frequent category, emanating from right crus of diaphragm. Type-II esophageal hernia engages both left and right muscular crura. Type-III and IV additionally include the left crus. Age and increased body mass index are key risk factors, and congenital skeletal aberrations trigger pathogenesis through intestinal malrotations...
February 16, 2018: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29450965/risk-of-early-onset-breast-cancer-among-women-exposed-to-thoracic-computed-tomography-in-pregnancy-or-early-postpartum
#3
Kirsteen R Burton, Alison L Park, Michael Fralick, Joel G Ray
BACKGROUND: The risk of breast cancer may be higher with direct exposure to ionizing radiation from thoracic computed tomography (CT) during pregnancy or postpartum. We evaluated the short-term risk of maternal breast cancer after exposure to thoracic CT during these periods. METHODS: We completed a retrospective population-based cohort study of all deliveries between 1995-2014 using universal health care databases in the province of Ontario, Canada. The main exposure was thoracic CT in pregnancy or ≤ 42 days postpartum...
February 16, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29447895/total-congenital-sternal-cleft-isolated-in-a-newborn-of-20-days-rare-case
#4
Dounia Basraoui, Badia Bannar, Mohamed Ouladsaiad, Hicham Jalal
Sternal clefts are rare malformations, especially in their complete form, which results from a lack of fusion of the sternal bars, which is normally done at the 9th week of intra uterine life. The incomplete form is often associated with other malformations of the chest wall, or falling within the framework of a polymalformative syndrome, the diagnosis is easy, being done with the inspection and the palpation, the paraclinical examinations are useful for confirming the diagnosis. We report the case of a total congenital sternal cleft isolated in an asymptomatic 20-day-old newborn...
March 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29446832/an-assessment-of-18-f-fdg-pet-ct-for-thoracic-screening-and-risk-stratification-of-pulmonary-nodules-in-multiple-endocrine-neoplasia-type-1
#5
Alvin So, Owen Pointon, Richard Hodgson, John Burgess
CONTEXT: Bronchopulmonary neuroendocrine tumours (bpNETs) and thymic carcinoid (ThC) are features of Multiple Endocrine Neoplasia Type 1 (MEN 1) and surveillance guidelines recommend periodic thoracic imaging. The optimal thoracic imaging modality and screening frequency remains uncertain as does the prognosis of small lung nodules when identified. OBJECTIVES: To evaluate fluorodeoxyglucose positron emission tomography/computed tomography ( 18 F-FDG PET/CT) for identification and prognostic assessment of thoracic lesions in MEN 1...
February 15, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29443771/endoscopic-bronchial-occlusion-for-postoperative-persistent-bronchopleural-fistula-with-computed-tomography-fluoroscopy-guidance-and-virtual-bronchoscopic-navigation-a-case-report
#6
Masahiro Yanagiya, Jun Matsumoto, Masaaki Nagano, Masashi Kusakabe, Yoko Matsumoto, Ryutaro Furukawa, Sayaka Ohara, Kazuhiro Usui
RATIONALE: The development of postoperative bronchopleural fistula (BPF) remains a challenge in thoracic surgery. We herein report a case of BPF successfully treated with endoscopic bronchial occlusion under computed tomography (CT) fluoroscopy and virtual bronchoscopic navigation (VBN). PATIENT CONCERNS: A 63-year-old man underwent right upper lobectomy with concomitant S6a subsegmentectomy for lung adenocarcinoma. On postoperative day 24, he complained of shaking chills with high fever...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29443765/clinical-significance-of-superior-articular-process-as-a-reference-point-for-free-hand-pedicle-screw-insertion-in-thoracic-spine
#7
Tae Hoon Kim, Suk Ha Lee, Jae Hyuk Yang, Jae Young Hong, Seung Woo Suh
The trajectory of the pedicle screw perpendicular to the SAP (superior articular process) is consistent with the universal trajectory presented in the previous study of the entry point using computed tomography. The ideal entry point and trajectory of pedicle screw insertion have been a matter of considerable debate. We attempted to find the relationship between SAP and entry point and trajectory of the pedicle screw.Thoracic spine CT (computed tomography) scans of 9 volunteers were studied. A safe zone for the trajectory of the screw in the axial (MarginAx) and sagittal (MarginSag) was defined as the zone between lines perpendicular to the SAP along the medial and lateral cortex of the pedicle in the axial section, and the superior and inferior cortex in the sagittal section without violation of the pedicle walls...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29437755/a-diagnostic-cohort-study-on-the-accuracy-of-18-fluorodeoxyglucose-18-fdg-positron-emission-tomography-pet-ct-for-evaluation-of-malignancy-in-anterior-mediastinal-lesions-the-decimal-study
#8
Chiara Proli, Paulo De Sousa, Simon Jordan, Vladimir Anikin, Anand Devaraj, Susannah M Love, Michael Shackcloth, Nikolaos Kostoulas, Kostas Papagiannopoulos, Yama Haqzad, Mahmoud Loubani, Francesco Sellitri, Felice Granato, Alexander Bush, Adrian Marchbank, Swetha Iyer, Marco Scarci, Eric Lim
OBJECTIVES: The aim of this study is to collate multi-institutional data to determine the value by defining the diagnostic performance of fluorodeoxyglucose positron emission tomography (FDG PET)/CT for malignancy in patients undergoing surgery with an anterior mediastinal mass in order to ascertain the clinical utility of PET/CT to differentiate malignant from benign aetiologies in patients presenting with an anterior mediastinal mass SETTING: DECiMaL Study is a multicentre, retrospective, collaborative cohort study in seven UK surgical sites...
February 6, 2018: BMJ Open
https://www.readbyqxmd.com/read/29437731/massive-thoracic-ganglioneuroma-with-significant-mass-effect-on-left-hemithorax
#9
Jacob T Lambdin, Kyongjune B Lee, Gregory Trachiotis, Carlose Picone
A 42-year-old, otherwise healthy, woman presented with persistent left-sided chest pain. A chest X-ray revealed a large opacity in the left hemithorax which prompted further investigation with an MRI. MRI revealed a large left apical mass occupying approximately two-thirds of the left hemithorax. The mass was investigated further with a CT with contrast which did not reveal any vascular involvement or invasion into adjacent structures. The patient successfully underwent tumour resection via left thoracotomy...
February 5, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29435620/diagnosis-of-vertebral-deformities-on-chest-ct-and-dxa-compared-to-routine-lateral-thoracic-spine-x-ray
#10
M J van Dort, E A P M Romme, F W J M Smeenk, P P P M Geusens, E F M Wouters, J P van den Bergh
X-ray, CT and DXA enable diagnosis of vertebral deformities. For this study, level of agreement of vertebral deformity diagnosis was analysed. We showed that especially on subject level, these imaging techniques could be used for opportunistic screening of vertebral deformities in COPD patients. INTRODUCTION: X-ray and CT are frequently used for pulmonary evaluation in patients with chronic obstructive pulmonary disease (COPD) and also enable to diagnose vertebral deformities together with dual-energy X-ray absorptiometry (DXA) imaging...
February 12, 2018: Osteoporosis International
https://www.readbyqxmd.com/read/29432343/clinical-impact-of-radioguided-localization-in-the-treatment-of-solitary-pulmonary-nodule-a-20-year-retrospective-analysis
#11
Gianpiero Manca, Federico Davini, Elisa Tardelli, Annalisa De Liperi, Fabio Falaschi, Franca Melfi, Patrick M Colletti, Domenico Rubello, Duccio Volterrani, Giuseppe Boni
PURPOSE: Incidental solitary pulmonary nodules (SPNs) have become an increasingly common CT finding worldwide. Although there are currently many imaging strategies for evaluating SPNs, the differential diagnosis and management of SPNs remains complex because of overlap between benign and malignant processes. Moreover, transbronchial or percutaneous CT-guided biopsies do not always allow definitive diagnoses. In such cases, video-assisted thoracic surgery (VATS) has become the preferred surgical procedure for diagnosis and, in selected cases, for treatment of indeterminate SPNs...
February 9, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29432262/increased-radiation-but-no-benefits-in-pedicle-screw-accuracy-with-navigation-versus-a-freehand-technique-in-scoliosis-surgery
#12
Wiktor Urbanski, Wojciech Jurasz, Michal Wolanczyk, Miroslaw Kulej, Piotr Morasiewicz, Szymon Lukasz Dragan, Rafal Zaluski, Grzegorz Miekisiak, Szymon Feliks Dragan
BACKGROUND: The clinical value of pedicle screws in spinal deformity surgery is well known; however, screw insertion is demanding and sometimes associated with complications. Navigation systems based on intraoperatively obtained three-dimensional (3-D) images were developed to minimize pedicle screw misplacements. However, there is a lack of data confirming superiority of navigation above other techniques. There are also concerns regarding increased radiation used during the procedure...
February 8, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29431856/cerebral-embolization-silent-cerebral-infarction-and-neurocognitive-decline-after-thoracic-endovascular-aortic-repair
#13
A H Perera, N Rudarakanchana, L Monzon, C D Bicknell, B Modarai, O Kirmi, T Athanasiou, M Hamady, R G Gibbs
BACKGROUND: Silent cerebral infarction is brain injury detected incidentally on imaging; it can be associated with cognitive decline and future stroke. This study investigated cerebral embolization, silent cerebral infarction and neurocognitive decline following thoracic endovascular aortic repair (TEVAR). METHODS: Patients undergoing elective or emergency TEVAR at Imperial College Healthcare NHS Trust and Guy's and St Thomas' NHS Foundation Trust between January 2012 and April 2015 were recruited...
February 12, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29430776/computed-tomographic-findings-in-a-bluetick-coonhound-with-a-longitudinal-thoracic-tracheal-tear
#14
Sumari C Dancer, Johannes Van Der Zee, Robert M Kirberger
A 9-year-old intact male Bluetick Coonhound presented for progressive subcutaneous emphysema of 5 days' duration due to a suspected tracheal tear. Cervical computed tomography (CT) and thoracic CT were performed after failure to identify the tracheal tear with tracheoscopy. A longitudinal tracheal tear was identified starting 4.3 cm cranial to the tracheal bifurcation and extending caudally over a distance of 3.6 cm. Severe pneumomediastinum, subcutaneous emphysema, and retroperitoneal gas were also present...
February 11, 2018: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/29430434/spontaneous-disappearance-of-a-pericardial-cyst-case-report-and-literature-review
#15
Angelo Pio Moffa, Luca Pio Stoppino, Domenico Loizzi, Paola Milillo
Pericardial cysts are rare benign anomalies generally discovered as incidental findings on radiographic images. Rarely, pericardial cysts cause symptoms and may lead to complications. A 56-year-old woman presented to the emergency department for mild chest pain. A cardiovascular and respiratory examination revealed no abnormalities, while a chest X-ray and subsequent thoracic computed tomography (CT) showed a pericardial cyst. The patient refused both percutaneous treatment and thoracic surgery. Three years later, a thoracic CT scan showed that the pericardial cyst had disappeared...
February 2018: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29429610/automated-ultrafast-kilovoltage-megavoltage-cone-beam-ct-for-image-guided-radiotherapy-of-lung-cancer-system-description-and-real-time-results
#16
Manuel Blessing, Anna Arns, Hansjoerg Wertz, Dzmitry Stsepankou, Judit Boda-Heggemann, Juergen Hesser, Frederik Wenz, Frank Lohr
PURPOSE: To establish a fully automated kV-MV CBCT imaging method on a clinical linear accelerator that allows image acquisition of thoracic targets for patient positioning within one breath-hold (∼15s) under realistic clinical conditions. METHODS AND MATERIALS: Our previously developed FPGA-based hardware unit which allows synchronized kV-MV CBCT projection acquisition is connected to a clinical linear accelerator system via a multi-pin switch; i.e. either kV-MV imaging or conventional clinical mode can be selected...
February 8, 2018: Zeitschrift Für Medizinische Physik
https://www.readbyqxmd.com/read/29429553/intubation-in-two-patients-with-difficult-airway-management-and-tracheal-stenosis-after-tracheostomy-in-thoracic-surgery
#17
M Granell Gil, P Solís Albamonte, C Córdova Hernández, I Cobo, R Guijarro, J A de Andrés Ibañez
Lung isolation in thoracic surgery is a challenge, this is even more complex in the presence of unknown tracheal stenosis (TS). We report two cases of unknown TS and its airway management. TS appears most frequently after long term intubation close to the endotracheal tube cuff or in the stoma of tracheostomy that appears as a consequence of the granulation tissue after the surgical opening of the trachea. Clinical history, physical examination, difficult intubating predictors and imaging tests (CT scans) are crucial, however most of tracheal stenosis may be unnoticed and symptoms depend on the degree of obstruction...
February 8, 2018: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/29428212/computed-tomography-window-blending-feasibility-in-thoracic-trauma
#18
Jacob C Mandell, Jeremy R Wortman, Tatiana C Rocha, Les R Folio, Katherine P Andriole, Bharti Khurana
RATIONALE AND OBJECTIVES: This study aims to demonstrate the feasibility of processing computed tomography (CT) images with a custom window blending algorithm that combines soft-tissue, bone, and lung window settings into a single image; to compare the time for interpretation of chest CT for thoracic trauma with window blending and conventional window settings; and to assess diagnostic performance of both techniques. MATERIALS AND METHODS: Adobe Photoshop was scripted to process axial DICOM images from retrospective contrast-enhanced chest CTs performed for trauma with a window-blending algorithm...
February 7, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29426964/incidental-pulmonary-embolism-in-suspected-stroke-patients-undergoing-carotid-ct-angiography
#19
Guang-Liang Chen, Dong-Hui Shen, Jin Wei, Hua Wang, Yuan-Fen Liu, Qing Duan
PURPOSE: The purpose of this study was to investigate the prevalence of incidental pulmonary embolism (IPE) in suspected stroke patients receiving carotid computed tomography angiography (CTA) and its characteristics. MATERIALS AND METHODS: A total of 4873 cases receiving carotid CTA between January 2013 and December 2016 were retrospectively reassessed by one radiologist. Patients with previous or suspected PE were excluded. The remaining prior contrast-enhanced carotid CTA studies were regarded as a "potentially incidental" IPE when a filling defect was found in one or more pulmonary arteries and subjected to the other two thoracic radiologists independently for reviewing and assessing for characteristics of the IPE and the image quality of the PE...
February 9, 2018: La Radiologia Medica
https://www.readbyqxmd.com/read/29424675/intradural-spinal-arachnoid-cyst-resection-implications-of-duraplasty-in-a-large-case-series
#20
Ziev B Moses, Gabriel N Friedman, David L Penn, Isaac H Solomon, John H Chi
OBJECTIVE Optimal diagnosis and management strategies for intradural spinal arachnoid cysts (SACs) are still unresolved given the rare nature of this entity, with few large case series and virtually no statistical analyses of patient characteristics in the literature. Here, the authors studied a large patient cohort with these lesions to determine whether pre- or postoperative attributes could be used to aid in either diagnosis or prognosis. METHODS A chart review was completed at a single institution for the period from 2002 to 2016 to determine the preoperative characteristics and postoperative outcomes of 21 patients with exclusively intradural SACs...
February 9, 2018: Journal of Neurosurgery. Spine
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