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https://www.readbyqxmd.com/read/28636254/pirfenidone-reduces-subchondral-bone-loss-and-fibrosis-after-murine-knee-cartilage-injury
#1
Deva D Chan, Jun Li, Wei Luo, Dan N Predescu, Brian J Cole, Anna Plaas
Pirfenidone is an anti-inflammatory and anti-fibrotic drug that has shown efficacy in lung and kidney fibrosis. Because inflammation and fibrosis have been linked to the progression of osteoarthritis, we investigated the effects of oral Pirfenidone in a mouse model of cartilage injury, which results in chronic inflammation and joint-wide fibrosis in mice that lack hyaluronan synthase 1 (Has1(-/-) ) in comparison to wild-type. Femoral cartilage was surgically injured in wild-type and Has1(-/-) mice, and Pirfenidone was administered in food starting after 3 days...
June 21, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28634669/yttrium-90-y-90-resin-microsphere-therapy-for-patients-with-unresectable-hepatocellular-carcinoma-a-single-center-experience
#2
Semra İnce, Bülent Karaman, Engin Alagoz, Nuri Karadurmuş, Hüseyin Şan, Cemal Nuri Erçin, Nuri Arslan
BACKGROUND/AIM: Selective intraarterial radionuclide therapy (SIRT) with yttrium-90 (Y-90) resin microspheres presently has successful results in primary or metastatic inoperable liver tumors. This procedure, which is also known as radioembolisation, delivers high doses of radiation selectively to hepatic tumors while minimum healthy liver exposure. The aim of this study was to present our clinical experience of radiomicrosphere therapy for the treatment of patients with unresectable hepatocellular carcinoma (HCC)...
June 20, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28634559/malignant-pleural-mesothelioma-with-marked-lymphatic-involvement-a-report-of-two-autopsy-cases
#3
Reiko Ideguchi, Kazuto Ashizawa, Saori Akashi, Michiko Shindo, Kazunori Minami, Toshio Fukuda, Junji Irie, Minoru Fukuda, Masataka Uetani
We herein report two cases of malignant pleural mesothelioma with marked lymphangiosis. The patients included a 68-year-old man and a 67-year-old man who both had a history of exposure to asbestos. Computed tomography (CT) on admission showed pleural effusion with pleural thickening. In both cases, a histopathological examination of the pleura confirmed the diagnosis of epithelioid malignant mesothelioma. They received chemotherapy, but the treatment was only palliative. The chest CT assessments during admission revealed marked pleural effusion and mediastinal lymphadenopathy...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/28634315/-a-case-of-metastatic-brain-tumor-complicated-by-multiple-repeated-hemorrhages
#4
Kentaro Hayashi, Yukishige Hayashi, Yoshitaka Matsuo, Kiyoshi Shirakawa, Makio Kaminogo
Metastatic brain tumor occasionally results in multiple cerebral hemorrhages. Here, we report a case of metastatic brain tumor complicated by multiple repeated cerebral hemorrhages. An 80-year-old man with a history of removal of lung cancer was admitted to our hospital because of disturbed consciousness following headache. A brain CT revealed a mass lesion of 40-mm diameter in the left cerebellum and a mass lesion of 2-mm diameter in the right temporal lobe. The cerebellar mass lesion showed homogeneous iso-density, indicating a subacute phase hemorrhage...
June 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28634220/tidal-changes-on-ct-and-progression-of-ards
#5
Maurizio Cereda, Yi Xin, Hooman Hamedani, Giacomo Bellani, Stephen Kadlecek, Justin Clapp, Luca Guerra, Natalie Meeder, Jennia Rajaei, Nicholas J Tustison, James C Gee, Brian P Kavanagh, Rahim R Rizi
BACKGROUND: Uncertain prediction of outcome in acute respiratory distress syndrome (ARDS) impedes individual patient management and clinical trial design. OBJECTIVES: To develop a radiological metric of injurious inflation derived from matched inspiratory and expiratory CT scans, calibrate it in a model of experimental lung injury, and test it in patients with ARDS. METHODS: 73 anaesthetised rats (acid aspiration model) were ventilated (protective or non-protective) for up to 4 hours to generate a spectrum of lung injury...
June 20, 2017: Thorax
https://www.readbyqxmd.com/read/28634123/clinical-utility-of-chromosomal-aneusomy-in-individuals-at-high-risk-of-lung-cancer
#6
Anna E Barón, Severine Kako, William J Feser, Heather Malinowski, Daniel Merrick, Kavita Garg, Stephen Malkoski, Shannon Pretzel, Jill M Siegfried, Wilbur A Franklin, York Miller, Holly J Wolf, Marileila Varella-Garcia
INTRODUCTION: Low dose CT screening for lung cancer has a high false positive rate with frequent discovery of indeterminate pulmonary nodules. Noninvasive biomarkers are needed to reduce false positives and improve risk stratification. A retrospective longitudinal evaluation was performed to assess chromosomal aneusomy in sputum via fluorescence in situ hybridization (CA-FISH) in four nested case-control studies. METHODS: ROC analysis resulted in two grouped cohorts: High Risk (CO High Risk and CO Nodule; 68 Cases, 69 controls) and Screening (ACRIN/NLST and PLuSS; 97 Cases, 185 controls)...
June 17, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28632922/comparison-of-manual-and-automated-measurements-of-tracheobronchial-airway-geometry-in-three-balb-c-mice
#7
Asef Islam, Michael Oldham, Anthony Wexler
Mammalian lungs are comprised of large numbers of tracheobronchial airways that transition from the trachea to alveoli. Studies as wide ranging as pollutant deposition and lung development rely on accurate characterization of these airways. Advancements in CT imaging and the value of computational approaches in eliminating the burden of manual measurement are providing increased efficiency in obtaining this geometric data. In this study, we compare an automated method to a manual one for the first six generations of three Balb/c mouse lungs...
June 20, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28632694/multiorgan-involvement-of-chemotherapy-induced-sarcoidosis-mimicking-progression-of-lymphoma-on-fdg-pet-ct
#8
Prateek Sanan, Yang Lu
A 35-year-old woman with biopsy-proven recurrent Hodgkin lymphoma in the neck lymph nodes received salvage chemotherapy of brentuximab/insulin growth factor-methotrexate. Although the patient continued doing well clinically with no constitutional symptoms or significant laboratory abnormalities following the second recurrence, subsequent FDG PET CT examinations over the next 2 years revealed multiple new FDG-avid foci including lymph nodes above/below the diaphragm, liver, spleen, lungs, and bone. An alternate diagnosis of chemotherapy-induced sarcoidosis was suggested and confirmed on both bone marrow and right inguinal node biopsy...
June 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28632689/18f-fdg-uptake-in-ischemic-colitis-during-follow-up-of-a-patient-with-lung-cancer
#9
Sofia C Vaz, Carla Oliveira, Joana C Castanheira, Ângelo F Silva, Durval C Costa
A 61-year-old man with previous history of lung adenocarcinoma underwent 2 F-FDG PET/CT investigations. The first for assessment of enlarged mediastinal lymph nodes revealed an area of increased FDG uptake in the sigmoid colon (located at the right pelvis). Colonoscopy showed a segmental area of ischemic sigmoid colitis, confirmed on histology postbiopsy. The asymptomatic man had no risk factors, and no specific treatment was administered, apart from supportive measures. One year later, there was no significantly abnormal uptake on PET/CT...
June 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28631088/etiologies-diagnostic-work-up-and-outcomes-of-acute-respiratory-distress-syndrome-with-no-common-risk-factor-a-prospective-multicenter-study
#10
Nicolas de Prost, Tài Pham, Guillaume Carteaux, Armand Mekontso Dessap, Christian Brun-Buisson, Eddy Fan, Giacomo Bellani, John Laffey, Alain Mercat, Laurent Brochard, Bernard Maître
BACKGROUND: Patients meeting the Berlin definition for the acute respiratory distress syndrome (ARDS) might lack exposure to one or more "common" risk factors and exhibit different clinical phenotype and outcomes. We aimed to compare the clinical presentation and outcome of ARDS patients with or without risk factors, the impact on hospital mortality, and to assess the diagnostic work-up performed. The current study is an ancillary analysis of an international, multicenter, prospective cohort study (the Large Observational Study to Understand the Global Impact of Severe Acute Respiratory Failure, LUNG SAFE)...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28631022/risk-analysis-and-outcomes-of-bronchopulmonary-sequestrations
#11
Chun Hong, Gang Yu, Jing Tang, QianLi Liu, Bo Xia
BACKGROUND: Researched and discussed the risks and outcomes of bronchopulmonary sequestrations, especially the intralobar type. METHODS: A retrospective review of our experiences with bronchopulmonary sequestrations from January 2012 to April 2015 is reported. The present study researched and discusses the risks and outcomes of bronchopulmonary sequestrations, especially the intralobar type, compared with other types of bronchopulmonary sequestrations in symptoms, surgery, pathology, and excretion...
June 19, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28630838/a-case-report-of-an-unusual-case-of-tuberculous-osteomyelitis-causing-spontaneous-pathological-fracture-of-humerus-in-a-middle-aged-female
#12
Umesh Birole, Ashish Ranade, Mahesh Mone
INTRODUCTION: Tuberculosis is a major health problem worldwide. Extrapulmonary tuberculosis is often secondary to some primary foci in lungs. There are reports of tuberculous osteomyelitis involving maxilla, ulna, femur, and shoulder joint but none have reported pathological fracture in humeral diaphysis due to tuberculosis osteomyelitis without shoulder joint involvement. We report a case of pathological fracture of humerus diaphysis due to tuberculous osteomyelitis with normal articular space...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28630806/prevalence-and-barriers-to-lung-cancer-screening-in-karachi-pakistan-a-cross-sectional-survey-of-smokers-and-physicians
#13
Aleeza Abbasi, Rabbia Siddiqi, Aatika Owais, Tooba Laeeq, Sara N Ali, Zonaira Mushahid, Syed M Ahsan, Aliya S Jatoi, Aleena Abbasi, Ifrah Butt, Ruba Ali, Maham Abbasi, Syeda Naintara N Jaffri, Mariam Jabir, Hajra Khanani, Kaneez Fatima
BACKGROUND: Early detection of lung cancer using low-dose computed tomography (LDCT) can potentially reduce morbidity and mortality. However, LDCT for lung cancer screening, especially in low income countries, has been underutilized. The objective of this study was to evaluate the prevalence and the potential personal, social, and economic barriers of lung cancer screening using LDCT. METHODS: A total sample of 156 smokers and 200 general physicians was collected during December 2016-February 2017 from community settings in Karachi, Pakistan...
May 15, 2017: Curēus
https://www.readbyqxmd.com/read/28629919/comparing-pulmonary-nodule-location-during-electromagnetic-bronchoscopy-with-predicted-location-based-on-two-virtual-airway-maps-at-different-phases-of-respiration
#14
Brian S Furukawa, Nicholas J Pastis, Nichole T Tanner, Alexander Chen, Gerard A Silvestri
BACKGROUND: Electromagnetic navigational bronchoscopy (ENB) is guided-bronchoscopy to pulmonary nodules (PN) which relies on a pre-procedural chest CT to create a 3-dimensional (3-D) virtual airway map. The CT is traditionally done at a full inspiratory breath hold (INSP) but the procedure is performed while the patient tidal breaths, where lung volumes are closer to functional residual capacity. Movement of a PN from INSP to expiration (EXP) has been shown to average 17.6 mm. Therefore, the hypothesis of this study is that pre-procedural virtual maps built off a CT closer to physiological lung volumes during bronchoscopy may better represent the actual 3-D location of a PN...
June 16, 2017: Chest
https://www.readbyqxmd.com/read/28629605/ct-findings-in-11-patients-with-tafro-syndrome-a-variant-of-multicentric-castleman-s-disease
#15
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/28629559/prospective-intra-individual-comparison-of-standard-dose-versus-reduced-dose-thoracic-ct-using-hybrid-and-pure-iterative-reconstruction-in-a-follow-up-cohort-of-pulmonary-nodules-effect-of-detectability-of-pulmonary-nodules-with-lowering-dose-based-on-nodule
#16
Varut Vardhanabhuti, Chun-Lap Pang, Sean Tenant, James Taylor, Christopher Hyde, Carl Roobottom
OBJECTIVES: To determine the diagnostic accuracy of lung nodule detection in thoracic CT using 2 reduced dose protocols comparing 3 available CT reconstruction algorithms (filtered back projection-FBP, adaptive statistical reconstruction-ASIR and model-based iterative reconstruction-MBIR) in a western population. MATERIALS AND METHODS: A prospective single-center study recruited 98 patients with written consent. Standard dose (STD) thoracic CT followed by 2 reduced-dose protocols using automatic tube current modulation (RD1) and fixed tube current (RD2) were performed and reconstructed with FBP, ASIR and MBIR with subsequent diagnostic accuracy analysis for nodule detection...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28629554/emphysema-quantification-and-lung-volumetry-in-chest-x-ray-equivalent-ultralow-dose-ct-intra-individual-comparison-with-standard-dose-ct
#17
Michael Messerli, Thorsten Ottilinger, René Warschkow, Sebastian Leschka, Hatem Alkadhi, Simon Wildermuth, Ralf W Bauer
OBJECTIVES: To determine whether ultralow dose chest CT with tin filtration can be used for emphysema quantification and lung volumetry and to assess differences in emphysema measurements and lung volume between standard dose and ultralow dose CT scans using advanced modeled iterative reconstruction (ADMIRE). METHODS: 84 consecutive patients from a prospective, IRB-approved single-center study were included and underwent clinically indicated standard dose chest CT (1...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28627945/-model-concept-of-the-health-economic-evaluation-of-low-dose-ct-lung-cancer-screening-in-hungary
#18
Zoltán Vokó, Magdolna Barra, Anett Molnár, Anna Kerpel-Fronius, Gábor Bajzik, Ildikó Horváth, Mariann Moizs, Balázs Nagy
INTRODUCTION: Lung cancer is a rapidly progressing, often life-threatening disease that constitutes a huge societal burden. Because of the scarce resources of the Hungarian health care system, the cost-effectiveness of introducing low-dose computed tomography screening is a relevant health policy matter. AIM: The aim of this study is to design a model concept for assessing the cost-effectiveness of low-dose computed tomography lung cancer screening in Hungary, and to define the required steps for performing the analysis...
June 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28627462/clinical-and-pathological-staging-validation-in-the-eighth-edition-of-tnm-classification-for-lung-cancer-correlation-between-solid-size-on-thin-section-computed-tomography-and-invasive-size-in-pathological-findings-in-the-new-t-classification
#19
Keiju Aokage, Tomohiro Miyoshi, Genichiro Ishii, Masahiro Kusumoto, Shogo Nomura, Shinya Katsumata, Keigo Sekihara, Tomoyuki Hishida, Masahiro Tsuboi
INTRODUCTION: The aim of this study was to validate the new 8th edition of the tumor-node-metastasis (TNM) classification and to elucidate whether radiological solid size corresponds to pathological invasive size incorporated in this T factor. METHODS: We analyzed the data of 1792 patients who underwent complete resection from 2003 to 2011 at the National Cancer Center Hospital East, Japan. We re-evaluated preoperative thin-sliced computed tomography (TSCT) to determine solid size and pathological invasive size using the 3rd edition of the WHO classification and reclassified them according to the new TNM classification...
June 13, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28626633/mediastinal-hemangioendothelioma-case-report-and-review-of-the-literature
#20
Davide Patrini, Laura Scolamiero, Reena Khiroya, David Lawrence, Elaine Borg, Martin Hayward, Nikolaos Panagiotopoulos
BACKGROUND: Epithelioid haemangioendothelioma (EHE) is a rare low-grade vascular neoplasm that can arise in the lung, liver, soft tissues or, less commonly, bone. Due to its low prevalence of less than one in a million and its non-specific clinical features, EHE is often misdiagnosed and managed inappropriately. Here we discuss the case of a 58 year-old gentleman with mediastinal EHE and review existing literature on pulmonary EHE (PEH). CASE HISTORY: A 58 year-old gentleman presented to our outpatient Clinic with chest discomfort and palpitations...
2017: Respiratory Medicine Case Reports
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