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Thoracic CT

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https://www.readbyqxmd.com/read/29054943/non-infectious-aortitis-in-an-immunosuppressed-renal-transplant-recipient-with-iga-nephropathy
#1
Charlotte M Snead, Stephen C Crockett, Phillippa K Bailey
A 54-year-old woman presented with atypical chest pain, fever and malaise. She was immunosuppressed with three agents following a living-donor kidney transplant 1 year previously. Her native kidney failure was secondary to biopsy-demonstrated crescentic IgA nephropathy, with systemic involvement. A CT pulmonary angiogram revealed an inflammatory cuff of soft tissue around the descending thoracic aorta suggesting aortitis. Inflammatory markers were elevated. Given her immunosuppression, the patient was screened extensively for infective causes and was empirically commenced on intravenous meropenem...
October 19, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29054716/-the-surgery-of-diaphragmatic-hydatidosis-and-their-complications
#2
I Issoufou, H Harmouchi, S Rabiou, L Belliraj, F Z Ammor, A S Diarra, M Lakranbi, R Sani, Y Ouadnouni, M Smahi
Primary or secondary diaphragmatic echinococcosis is rare, accounting for 1% of the thoracic locations. They may be operative discovery or by their complication, hence a variable symptomatology making this localization a particular entity. The thoracic and abdominal CT allows a complete assessment. Surgery remains the only therapeutic approach. In complicated forms an additional surgery is required for complete care. The prognosis is generally good apart from the risk of recurrence. Through a series of 4 operated patients, we focus on the clinical and therapeutic features of this pathology and its complications...
October 17, 2017: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/29051040/on-the-potential-role-of-mri-biomarkers-of-copd-to-guide-bronchoscopic-lung-volume-reduction
#3
Colin J Adams, Dante P I Capaldi, Robert Di Cesare, David G McCormack, Grace Parraga
RATIONALE AND OBJECTIVES: In patients with severe emphysema and poor quality of life, bronchoscopic lung volume reduction (BLVR) may be considered and guided based on lobar emphysema severity. In particular, x-ray computed tomography (CT) emphysema measurements are used to identify the most diseased and the second-most diseased lobes as BLVR targets. Inhaled gas magnetic resonance imaging (MRI) also provides chronic obstructive pulmonary disease (COPD) biomarkers of lobar emphysema and ventilation abnormalities...
October 16, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29049422/thoracic-trauma-now-and-then-a-10-year-experience-from-16-773-severely-injured-patients
#4
Klemens Horst, Hagen Andruszkow, Christian D Weber, Miguel Pishnamaz, Christian Herren, Qiao Zhi, Matthias Knobe, Rolf Lefering, Frank Hildebrand, Hans-Christoph Pape
BACKGROUND AND PURPOSE: Thoracic trauma remains to be a relevant injury to the polytraumatised patient. However, literature regarding how far changes in clinical guidelines for pre- and in-hospital trauma management and diagnostic procedures affect the outcome of multiple injured patients with severe chest injury during a long-term observation period is sparse. METHODS: Multiple traumatised patients (age≥16y) documented in the TraumaRegister DGU® (TR-DGU) from January 1st 2005 to December 31st 2014 with severe chest trauma (AIS≥3) were included in this study...
2017: PloS One
https://www.readbyqxmd.com/read/29049191/significance-of-monitoring-plasma-concentration-of-voriconazole-in-a-patient-with-liver-failure-a-case-report
#5
Xiaoyan Liu, Haibin Su, Jingjing Tong, Jing Chen, Haozhen Yang, Long Xiao, Jinhua Hu, Lina Zhang
RATIONALE: Invasive pulmonary aspergillosis is associated with significant morbidity and mortality in patients with liver failure. Voriconazole (VRCZ) is recommended as a primary therapeutic agent for the treatment of invasive aspergillosis and metabolized in the liver. Now, data are still lacking on the safety and appropriate dosage of VRCZ in patients with liver failure. Here, we report a representative case of invasive pulmonary fungal infection in a patient with liver failure who was treated with low-dose VRCZ...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29049027/atlas-ranking-and-selection-for-automatic-segmentation-of-the-esophagus-from-ct-scans
#6
Jinzhong Yang, Benjamin Haas, Raymond Fang, Beth B Beadle, Adam S Garden, Zhongxing Liao, Lifei Zhang, Peter A Balter, Laurence E Court
In radiation treatment planning, the esophagus is an important organ-at-risk that should be spared in patients with head and neck cancer or thoracic cancer who undergo intensity-modulated radiation therapy. However, automatic segmentation of the esophagus from CT scans is extremely challenging because of the structure's inconsistent intensity, low contrast against the surrounding tissues, complex and variable shape and location, and random air bubbles. The goal of this study is to develop an online atlas selection approach to choose a subset of optimal atlases for multi-atlas segmentation to delineate esophagus automatically...
October 19, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29046807/pulmonary-schistosomiasis-mimicking-igg4-related-lung-disease
#7
Timothy Baird, Caroline L Cooper, Richard Wong, Naomi Runnegar, Gregory Keir
IgG4-related disease (IgG4-RD) is a systemic fibroinflammatory disease characterized by tumefactive lesions in various organ systems, including the lungs. Clinical and radiological manifestations of IgG4-RD are relatively non-specific, and we report a case highlighting the importance of histopathological confirmation in cases of suspected IgG4-related lung disease. A 44-year-old male with significantly elevated serum IgG4 levels, patchy consolidation on thoracic CT imaging, and cough was referred with suspected IgG4-related lung disease...
January 2018: Respirology Case Reports
https://www.readbyqxmd.com/read/29039137/three-dimensional-image-in-lung-transplantation
#8
Toyofumi F Chen-Yoshikawa, Hiroshi Date
Three-dimensional computed tomography (3D-CT) technologies have been developed and, recently, high-speed and high-quality 3D-CT technologies have been introduced to the field of thoracic surgery. The purpose of this manuscript is to demonstrate the clinical application of 3D-CT technologies in lung transplantation. In Japan, because of the severe donor shortage, living-donor lobar lung transplantation (LDLLT) is essential, in addition to cadaveric lung transplantation. In LDLLT, size matching is a grave issue, since ideal size matching between donor and recipient is usually difficult because of the limited population of potential donor...
October 16, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29038439/analysis-of-nkx3-1-cre-driven-erk5-deletion-reveals-a-profound-spinal-deformity-which-is-linked-to-increased-osteoclast-activity
#9
Carolyn J Loveridge, Rob J van 't Hof, Gemma Charlesworth, Ayala King, Ee Hong Tan, Lorraine Rose, Anna Daroszewska, Amanda Prior, Imran Ahmad, Michelle Welsh, Ernest J Mui, Catriona Ford, Mark Salji, Owen Sansom, Karen Blyth, Hing Y Leung
Extracellular signal-regulated protein kinase 5 (ERK5) has been implicated during development and carcinogenesis. Nkx3.1-mediated Cre expression is a useful strategy to genetically manipulate the mouse prostate. While grossly normal at birth, we observed an unexpected phenotype of spinal protrusion in Nkx3.1:Cre;Erk5 (fl/fl) (Erk5 (fl/fl)) mice by ~6-8 weeks of age. X-ray, histological and micro CT (µCT) analyses showed that 100% of male and female Erk5 (fl/fl) mice had a severely deformed curved thoracic spine, with an associated loss of trabecular bone volume...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29038411/-emergent-thoracic-endovascular-aortic-repair-and-subxiphoid-pericardiotomy-for-retrograde-type-a-acute-aortic-dissection-with-cardiac-tamponade-report-of-a-case
#10
Masatoshi Sunada, Yusuke Suzuki, Takashi Takano, Hirofumi Midorikawa, Megumu Kanno
Type A acute aortic dissection has a high rate of mortality. Emergent surgical repair is the gold standard treatment, but some patients cannot tolerate the open surgery. Here, we report an 82-year-old patient with a history of cerebral infarction and cerebral bleeding who presented with a depressed level of consciousness and who was in a state of shock. A computed tomography (CT) scan showed cardiac tamponade associated with retrograde type A aortic dissection(RAAD), with a primary entry tear at a distal site of the left subclavian artery...
October 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/29034044/bronchial-artery-aneurysm-treated-using-aortic-stent-graft-alone-a-case-report
#11
Takashi Matsumoto, Takayuki Uchida, Tomoyuki Ono, Kazuto Hirayama, Fumio Fukumura, Hiromi Ando, Jiro Tanaka
A 72-year-old woman with a history of malignant lymphoma was referred to our hospital for the treatment of a bronchial artery aneurysm. Computed tomography (CT) scan showed a round, 30 mm-diameter fusiform aneurysm with two tortuous inflow arteries. We deployed thoracic stent grafting to cover the orifice of the two inflow arteries without transcatheter bronchial arterial embolization. Postoperative CT scan revealed complete thrombosis of the aneurysm. Although further follow-up is mandatory, this may be considered a viable treatment option in cases wherein the bronchial artery aneurysm is anatomically difficult to treat...
June 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29034041/successful-endovascular-repair-of-mycotic-aortic-pseudoaneurysm-followed-by-aortoesophageal-fistula
#12
Seiichi Yamaguchi, Hideki Ueda, Hisanori Fujita, Shigeyasu Takeuchi
Mycotic aneurysm of the aorta is a rare, but life-threatening pathology. In recent years, endovascular stent graft placement has been introduced as an effective alternative for treating infected aortic aneurysms. A 64-year-old woman with a history of paraplegia due to spinal cord injury was referred to our institute with fever and blood-tinged sputum. Computed tomography (CT) scan showed an 11-cm pseudoaneurysm arising from the proximal descending aorta, which was normal 1 month ago at the previous CT scan...
June 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29034021/endovascular-repair-for-kommerell-s-diverticulum-and-right-sided-aortic-arch
#13
Kei Kazuno, Seiichiro Murata
A 74-year-old man with hoarseness was diagnosed with a right-sided aortic arch and Kommerell's diverticulum by computed tomography (CT). The diverticulum had a maximum diameter of 33 mm, and surgical intervention was chosen because of the possibility of rupture. A right common carotid to right subclavian artery bypass was constructed, stent-graft was placed after the branching of the right common carotid artery, and coil embolization of the diverticulum was performed via left brachial artery. No leaks were found on postoperative CT...
March 24, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29033381/the-effect-of-once-yearly-zoledronic-acid-on-hip-structural-and-biomechanical-properties-derived-using-computed-tomography-ct-in-japanese-women-with-osteoporosis
#14
Masako Ito, Teruki Sone, Masataka Shiraki, Satoshi Tanaka, Chika Irie, Yuri Ota, Toshitaka Nakamura
The effects of zoledronic acid on hip structural and biomechanical properties were evaluated in Japanese patients with osteoporosis by computed tomography (CT). The subjects included in this study were a subset of female subjects (zoledronic acid group, 49 subjects; placebo group, 53 subjects) in the phase 3 trial (ZONE study) who were available for multi-detector row CT (MDCT) scanning. Eligible subjects were those diagnosed with primary osteoporosis based on the Diagnostic Criteria for Primary Osteoporosis (2000) by the Japanese Society for Bone and Mineral Research and who had between one and four fractured vertebrae located between the fourth thoracic vertebra and the fourth lumbar vertebra...
October 12, 2017: Bone
https://www.readbyqxmd.com/read/29033151/is-it-adequate-to-carry-out-a-chest-ct-in-patients-with-mild-moderate-chest-trauma
#15
V García de Pereda de Blas, M Carreras Aja, S Carbajo Azabal, E Arana-Arri
Mild-moderate blunt chest trauma is defined as a blunt chest trauma that is not caused by a high-energy mechanism, causing thoracic tenderness with or without rib fractures and that has no immediate life-threatening consequences for the patient. It is a frequent clinical situation in the emergency department. The most common radiological techniques that are used in this context are chest X-ray and thoracic computed tomography (CT). The CT scan is set as the gold standard. However, there are no current clinical-radiological guidelines that establish the adequacy of the requests of the CT scan...
October 12, 2017: Radiología
https://www.readbyqxmd.com/read/29031964/-the-thoracic-surgeon-and-the-management-of-the-bronchial-biliary-fistula-of-hydatid-origin
#16
S Rabiou, L Belliraj, F Z Ammor, I Issoufou, B Sylla, M Lakranbi, Y Ouadnouni, D Benajah, M Smahi
INTRODUCTION: The bronchial biliary fistula surgery is a major one, always going with a higher rate of complication especially in case of bile duct obstruction. The aim of this study is to find out the contribution of endoscopic sphincterotomy while reporting the results of surgical treatment of bronchial biliary fistulae by exclusive thoracotomy. METHODS: This was a retrospective study, which took place in the Department of Thoracic Surgery, University Hospital Hassan II, from January 2009 to March 2016...
October 12, 2017: Revue de Pneumologie Clinique
https://www.readbyqxmd.com/read/29031479/the-optimum-chest-compression-site-with-regard-to-heart-failure-demonstrated-by-computed-tomography
#17
Keunha Hwang, Sung-Bin Chon, Jung Gi Im
BACKGROUND: To determine the optimum chest compression site during cardiopulmonary resuscitation (CPR) with regard to heart failure (HF) by applying three-dimensional (3D) coordinates on computed tomography (CT). METHODS: This retrospective, cross-sectional study involved adults who underwent echocardiography and CT on the same day from 2007 to 2017. Incomplete CT images or information on HF, cardiac medication between echocardiography and CT, or thoracic abnormalities were excluded...
July 13, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29029062/multicentric-evaluation-of-the-impact-of-central-tumour-location-when-comparing-rates-of-n1-upstaging-in-patients-undergoing-video-assisted-and-open-surgery-for-clinical-stage-i-non-small-cell-lung-cancer
#18
Herbert Decaluwé, René Horsleben Petersen, Alex Brunelli, Cecilia Pompili, Agathe Seguin-Givelet, Lucile Gust, Clemens Aigner, Pierre-Emmanuel Falcoz, Philippe Rinieri, Florian Augustin, Youri Sokolow, Ad Verhagen, Lieven Depypere, Kostas Papagiannopoulos, Dominique Gossot, Xavier Benoit D'Journo, Francesco Guerrera, Jean-Marc Baste, Thomas Schmid, Alessia Stanzi, Dirk Van Raemdonck, Jeremy Bardet, Pascal-Alexandre Thomas, Gilbert Massard, Steffen Fieuws, Johnny Moons, Christophe Dooms, Paul De Leyn, Henrik Jessen Hansen
OBJECTIVES: Large retrospective series have indicated lower rates of cN0 to pN1 nodal upstaging after video-assisted thoracic surgery (VATS) compared with open resections for Stage I non-small-cell lung cancer (NSCLC). The objective of our multicentre study was to investigate whether the presumed lower rate of N1 upstaging after VATS disappears after correction for central tumour location in a multivariable analysis. METHODS: Consecutive patients operated for PET-CT based clinical Stage I NSCLC were selected from prospectively managed surgical databases in 11 European centres...
September 27, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29028189/non-rigid-event-by-event-continuous-respiratory-motion-compensated-list-mode-reconstruction-for-pet
#19
Chung Chan, John Onofrey, Yiqiang Jian, Mary Germino, Xenophon Papademetris, Richard E Carson, Chi Liu
Respiratory motion during PET/CT imaging can cause significant image blurring and underestimation of tracer concentration for both static and dynamic studies. In this study, with the aim to eliminate both intra-cycle and inter-cycle motions, and apply to dynamic imaging, we developed a non-rigid event-byevent (NR-EBE) respiratory motion compensated list-mode reconstruction algorithm. The proposed method consists of 2 components, the first component estimates a continuous non-rigid motion field of the internal organs using the internal-external motion correlation (NR-INTEX)...
October 10, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/29026365/incidental-finding-of-bronchopulmonary-sequestration-in-a-64-year-old-female
#20
Pichapong Tunsupon, Ayesha Arshad, Sumit Patel, M Jeffery Mador
BACKGROUND: Bronchopulmonary sequestration is a congenital abnormality of the primitive foregut. In adults, the typical age at presentation is 20-25 years. CASE REPORT: A 64-year-old female was referred for evaluation of an 8 × 6-cm right lower lobe cystic lesion. Her medical history was significant for recurrent right lower lobe pneumonia requiring multiple hospitalizations. Her physical examination was significant for crackles at the right lung base. Computed tomography (CT) of the chest with contrast showed cystic changes with thickened septation of the medial segment of the right lower lobe lacking distinct visceral pleura and with arterial supply from the anomalous branch of the thoracic aorta arising near the celiac trunk...
2017: Ochsner Journal
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