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ground glass nodule

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https://www.readbyqxmd.com/read/28338535/lung-cancers-associated-with-cystic-airspaces-natural-history-pathologic-correlation-and-mutational-analysis
#1
Florian J Fintelmann, Jesaja K Brinkmann, William R Jeck, Fabian M Troschel, Subba R Digumarthy, Mari Mino-Kenudson, Jo-Anne O Shepard
PURPOSE: The aim of the study was to investigate the natural history of non-small cell lung cancers (NSCLCs) associated with cystic airspaces, including histopathology and molecular analysis. MATERIALS AND METHODS: A total of 34,801 computed tomographic (CT) scans of 2954 patients diagnosed with NSCLC between 2010 and 2015 were evaluated for association with a cystic airspace. Characteristics on serial CT, 18F-fludeoxyglucose positron emission tomography, and pathologic analysis were recorded...
March 22, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28331820/correlation-in-histological-subtypes-with-high-resolution-computed-tomography-signatures-of-early-stage-lung-adenocarcinoma
#2
Yingying Miao, Jianya Zhang, Jiawei Zou, Qingqing Zhu, Tangfeng Lv, Yong Song
BACKGROUND: Uncertainty remains on the association between image characteristics of the nodules in computed tomography (CT) scans and lung adenocarcinoma histopathologic subtypes. We aimed to estimate the correlation between preoperative high resolution computed tomography (HRCT) scan and postoperative histopathology of stage IA lung adenocarcinoma in East Asian Chinese population. METHODS: We retrospectively reviewed the clinical records and HRCT images of 190 patients (106 female and 84 male) with resected, preoperatively untreated stage IA adenocarcinomas...
February 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28328859/single-stage-nonintubated-uniportal-thoracoscopic-resection-of-synchronous-bilateral-pulmonary-nodules-after-coil-labeling-a-case-report-and-literature-review
#3
Miao Zhang, Tao Wang, You-Wei Zhang, Wen-Bin Wu, Heng Wang, Rong-Hua Xu
RATIONALE: Preoperative localization of small pulmonary nodules is essential for precise resection, besides, the optimal treatment for pulmonary nodules is controversial and the prognosis without surgery is uncertain. PATIENT CONCERNS: Herein we present a patient with compromised pulmonary function harboring synchronous triple ground-glass nodules located separately in different pulmonary lobes. DIAGNOSES: The pathological diagnosis of the nodules were chronic inflammation, inflammatory pseudotumor and atypical adenomatous hyperplasia, respectively...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28321808/uncommon-features-of-surgically-resected-alk-positive-cavitary-lung-adenocarcinoma-a-case-report
#4
Shinkichi Takamori, Masafumi Yamaguchi, Kenichi Taguchi, Makoto Edagawa, Shinichiro Shimamatsu, Ryo Toyozawa, Kaname Nosaki, Fumihiko Hirai, Takashi Seto, Mitsuhiro Takenoyama, Yukito Ichinose
Some features found on chest computed tomography (CT), such as central tumor location, large pleural effusion, and the absence of a pleural tail, and a patient age of less than 60 years, have been suggested to be useful in predicting anaplastic lymphoma kinase (ALK) rearrangement in patients with non-small cell lung cancer (NSCLC).A 68-year-old female patient with a history of gynecological treatment was found to have a cavitary mass in the right lower lobe on an annual chest roentgenogram. The tumor was located in the peripheral area with a pleural tail showing no pleural effusion...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28321331/ct-patterns-of-organizing-pneumonia-in-patients-treated-with-vegf-mtor-inhibitors-for-metastatic-renal-cell-cancer-an-observational-study
#5
Sabine Dettmer, Viktor Grünwald, Thomas Fuehner, Arnold Ganser, Frank Wacker, Philipp Ivanyi, Thomas Rodt
BACKGROUND: Targeted therapies are the standard treatment in patients with metastatic renal cell carcinoma (mRCC) and are known to cause adverse pulmonary events. Organizing pneumonia (OP) with its various manifestations in computed tomography (CT) has therefore lately received more attention. PURPOSE: To describe the spectrum of CT patterns of OP in patients with mRCC receiving targeted therapies. MATERIAL AND METHODS: Seventeen patients with known therapy-related OP were analyzed retrospectively by two blinded radiologists in consensus...
February 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/28314525/intraoperative-electromagnetic-navigational-bronchoscopic-localization-of-small-deep-or-subsolid-pulmonary-nodules
#6
Abbas Abbas, Sagar Kadakia, Vishnu Ambur, Kimberly Muro, Larry Kaiser
BACKGROUND: Localizing small or deep pulmonary nodules or subsolid ground-glass opacities often is difficult during video-assisted thoracoscopic surgery (VATS) or robotic-assisted thoracoscopic surgery (RATS). This can result in larger resections or conversion to thoracotomy. The goal of this study is to evaluate the role of electromagnetic navigational bronchoscopic localization (ENBL) as a safe and accurate intraoperative method to localize small, deep, or subsolid nodules. METHODS: This is a single-institution, single-surgeon retrospective study of all patients (51) who underwent combined ENBL and resection of 54 nodules between May 2013 and August 2015...
February 7, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28297814/-igg4-related-lung-disease-analysis-of-8-cases-and-literature-review
#7
G J Han, H Hu, D Mao, X Bai, D Y She, S F Zhao, Z L Wen, J Gao
Objective: To improve the understanding and treatment of IgG4-related lung disease (IgG4-RLD). Methods: The clinical characteristics, serum IgG4 levels, pathological features, chest CT, therapy and prognosis of 8 patients with IgG4-RLD were retrospectively analyzed. These patients were admitted to the People's Liberation Army General Hospital and the pathological diagnosis was made between December 2005 and March 2016. Relevant literatures were reviewed. Results: The 8 patients with IgG4-RLD included 4 men and 4 women, with an average age of (59±4) years (range, 37-74)...
March 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28296757/radiological-prediction-of-tumor-invasiveness-of-lung-adenocarcinoma-on-thin-section-ct
#8
Masahiro Yanagawa, Takeshi Johkoh, Masayuki Noguchi, Eiichi Morii, Yasushi Shintani, Meinoshin Okumura, Akinori Hata, Maki Fujiwara, Osamu Honda, Noriyuki Tomiyama
To evaluate thin-section computed tomography (CT) (TSCT) features that differentiate adenocarcinoma in situ (AIS), minimally invasive adenocarcinoma (MIA), and invasive adenocarcinoma (IVA), and to determine the size of solid portion on CT that correlates to pathological invasive components. Forty-eight patients were included. Nodules were classified into ground-glass nodule (GGN), part-solid, solid, and heterogeneous. Visual density of GGNs was subjectively evaluated using reference standard images: faint GGN (Ga), <-700 Hounsfield unit (HU); intermediate GGN (Gb), from -700 to -400 HU; dense GGN (Gc), >-400 HU; and mixed (Ga + Gb, Ga + Gc, and Gb + Gc)...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28285338/a-study-of-computer-aided-diagnosis-for-pulmonary-nodule-comparison-between-classification-accuracies-using-calculated-image-features-and-imaging-findings-annotated-by-radiologists
#9
Masami Kawagishi, Bin Chen, Daisuke Furukawa, Hiroyuki Sekiguchi, Koji Sakai, Takeshi Kubo, Masahiro Yakami, Koji Fujimoto, Ryo Sakamoto, Yutaka Emoto, Gakuto Aoyama, Yoshio Iizuka, Keita Nakagomi, Hiroyuki Yamamoto, Kaori Togashi
PURPOSE: In our previous study, we developed a computer-aided diagnosis (CADx) system using imaging findings annotated by radiologists. The system, however, requires radiologists to input many imaging findings. In order to reduce such an interaction of radiologists, we further developed a CADx system using derived imaging findings based on calculated image features, in which the system only requires few user operations. The purpose of this study is to check whether calculated image features (CFT) or derived imaging findings (DFD) can represent information in imaging findings annotated by radiologists (AFD)...
March 11, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28267551/quantitative-ct-analysis-of-pulmonary-pure-ground-glass-nodule-predicts-histological-invasiveness
#10
Qiong Li, Li Fan, En-Tao Cao, Qing-Chu Li, Ya-Feng Gu, Shi Yuan Liu
OBJECTIVE: To assess whether quantitative computed tomography (CT) can help predict histological invasiveness of pulmonary adenocarcinoma appearing as pure ground glass nodules (pGGNs). METHODS: A total of 110 pulmonary pGGNs were retrospectively evaluated, and pathologically classified as pre-invasive lesions, minimally invasive adenocarcinoma (MIA) and invasive pulmonary adenocarcinoma (IPA). Maximum nodule diameters, largest cross-sectional areas, volumes, mean CT values, weights, and CT attenuation values at the 0th,2th,5th, 25th, 50th,75th, 95th, 98th and100th percentiles on histogram, as well as 2th to 98th, 5th to 95th, 25th to 75th,and 0th to 100thslopes, respectively, were compared among the three groups...
April 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28263700/standard-reduced-and-no-dose-thin-section-radiologic-examinations-comparison-of-capability-for-nodule-detection-and-nodule-type-assessment-in-patients-suspected-of-having-pulmonary-nodules
#11
Yoshiharu Ohno, Hisanobu Koyama, Takeshi Yoshikawa, Yuji Kishida, Shinichiro Seki, Daisuke Takenaka, Masao Yui, Mitsue Miyazaki, Kazuro Sugimura
Purpose To compare the capability of pulmonary thin-section magnetic resonance (MR) imaging with ultrashort echo time (UTE) with that of standard- and reduced-dose thin-section computed tomography (CT) in nodule detection and evaluation of nodule type. Materials and Methods The institutional review board approved this study, and written informed consent was obtained from each patient. Standard- and reduced-dose chest CT (60 and 250 mA) and MR imaging with UTE were used to examine 52 patients; 29 were men (mean age, 66...
March 6, 2017: Radiology
https://www.readbyqxmd.com/read/28261498/tomographic-aspects-of-advanced-active-pulmonary-tuberculosis-and-evaluation-of-sequelae-following-treatment
#12
Rafael Barcelos Capone, Domenico Capone, Thiago Mafort, Roberto Mogami, Rosana de Souza Rodrigues, Miriam Menna Barreto, Rogerio Rufino
Objectives. To evaluate tomographic changes in pulmonary tuberculosis (TB), degree of agreement among three radiologists regarding tomographic diagnoses, and sequelae following treatment. Methods. Cross-sectional and descriptive study of 74 TB patients confirmed by sputum culture and chest computed tomography before (CT1) and 6 months after (CT2) drug therapy. Results were performed by three radiologists blinded to clinical and laboratory results. Results. Main findings in CT1 included nodules indicating the presence of a tree-in-bud pattern in 93% of cases, ill-defined nodules in 84% of cases, consolidation in 77% of cases, architectural distortion in 71% of cases, cavitary lesions in 62% of cases, and ground glass opacities in 37% of cases...
2017: Pulmonary Medicine
https://www.readbyqxmd.com/read/28255781/a-non-randomized-confirmatory-trial-of-segmentectomy-for-clinical-t1n0-lung-cancer-with-dominant-ground-glass-opacity-based-on-thin-section-computed-tomography-jcog1211
#13
Keiju Aokage, Hisashi Saji, Kenji Suzuki, Tomonori Mizutani, Hiroshi Katayama, Taro Shibata, Syunichi Watanabe, Hisao Asamura
INTRODUCTION: Lobectomy has been the standard surgery for even stage I lung cancer since the validity of limited resection for stage I lung cancer was denied by the randomized study reported in 1995. The aim of this non-randomized confirmatory going on since September 2013 is to confirm the efficacy of a segmentectomy for clinical T1N0 lung cancer with dominant ground glass opacity based on thin-slice computed tomography. METHOD: A total of 390 patients from 42 Japanese institutions are recruited within 4 years...
March 2, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28245151/lung-cancers-manifesting-as-part-solid-nodules-in-the-national-lung-screening-trial
#14
Rowena Yip, Claudia I Henschke, Dong Ming Xu, Kunwei Li, Artit Jirapatnakul, David F Yankelevitz
OBJECTIVE: The objective of our study was to determine how often death occurred from lung cancers that manifested as part-solid nodules in the National Lung Screening Trial (NLST). MATERIALS AND METHODS: NLST radiologists classified nodules as solid, ground-glass, or mixed. All lung cancers classified as mixed nodules by NLST radiologists were reviewed by four experienced radiologists and reclassified as solid, nonsolid, or part-solid nodules. When possible, volume doubling times (VDTs) were calculated separately for the entire nodule and for the solid component of the nodule...
February 28, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28243892/micropapillary-histological-subtype-in-lung-adenocarcinoma-of-2%C3%A2-cm-or-less-impact-on-recurrence-and-clinical-predictors
#15
Yukihiro Yoshida, Jun-Ichi Nitadori, Aya Shinozaki-Ushiku, Jiro Sato, Tempei Miyaji, Takuhiro Yamaguchi, Masashi Fukayama, Jun Nakajima
OBJECTIVE: This study examined the clinical and radiological characteristics of adenocarcinoma having the micropapillary histological subtype. METHODS: We included 233 patients who were operated from 2001 to 2012 for lung adenocarcinoma of 2 cm or less. The pathology was reviewed according to the 2015 WHO classification. We defined adenocarcinoma with a micropapillary component as adenocarcinoma in which the area of the micropapillary histological subtype exceeded 5% of the tumor...
February 27, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28229501/comparison-between-sedation-and-general-anesthesia-for-high-resolution-computed-tomographic-characterization-of-canine-idiopathic-pulmonary-fibrosis-in-west-highland-white-terriers
#16
Elodie Roels, Thierry Couvreur, Frédéric Farnir, Cécile Clercx, Johny Verschakelen, Géraldine Bolen
Canine idiopathic pulmonary fibrosis is a progressive interstitial lung disease mainly affecting West Highland white terriers. Thoracic high-resolution computed tomographic (T-HRCT) findings for Canine idiopathic pulmonary fibrosis acquired under general anesthesia have been described previously. However, the use of general anesthesia may be contraindicated for some affected dogs. Sedation may allow improved speed and safety, but it is unknown whether sedation would yield similar results in identification and grading of Canine idiopathic pulmonary fibrosis lesions...
February 23, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28216527/usefulness-of-intraoperative-cone-beam-ct-images-on-video-assisted-thoracic-surgery
#17
Harutaka Hisano, Tohru Sakuragi, Yoshinobu Kakiuchi, Satoshi Takita, Yuuji Takeda, Shigeki Morita, Hiroyuki Irie
For the resection of pulmonary ground glass opacity (GGO) or non-palpable nodule on video-assisted thoracic surgery (VATS), preoperative computed tomography (CT)-guided VATS marker pricking is usually performed. Recently, air embolisms after VATS marker pricking have been reported to be serious problems. The purpose of this study was to evaluate the usefulness of intraoperative cone beam CT images on VATS to avoid preoperative VATS marker pricking. The CT number of the both GGO and nodule indicate the range from -200 to -800 HU in general...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28197820/lung-cancer-screening-with-ultra-low-dose-ct-using-full-iterative-reconstruction
#18
Masayo Fujita, Toru Higaki, Yoshikazu Awaya, Toshio Nakanishi, Yuko Nakamura, Fuminari Tatsugami, Yasutaka Baba, Makoto Iida, Kazuo Awai
PURPOSE: To investigate the diagnostic capability of ultra-low-dose CT (ULDCT) with full iterative reconstruction (f-IR) for lung cancer screening. MATERIALS AND METHODS: All underwent ULDCT and/or low-dose CT (LD-CT) on a 320-detector scanner. ULDCT images were reconstructed with f-IR. We qualitatively and quantitatively studied 95 nodules in 69 subjects. Two radiologists classified the nodules on ULDCT images as solid-, part-solid-, and pure ground-glass (PGG) and recorded their mean size...
February 14, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28191607/retrospective-study-of-the-clinical-characteristics-and-risk-factors-of-rheumatoid-arthritis-associated-interstitial-lung-disease
#19
Yongfeng Zhang, Hongbin Li, Nawei Wu, Xin Dong, Yi Zheng
This study aims to explore the clinical characteristics and risk factors of rheumatoid arthritis (RA)-associated interstitial lung disease (ILD). This is a retrospective study of 550 patients with RA. All patients underwent chest high-resolution computed tomography (HRCT) scanning. (1) Two hundred thirty-seven out of five hundred fifty (43.1%) patients with RA were diagnose with ILD. 13.5% ILD occurred before RA onset, 69.6% ILD occurred within 10 years of RA onset, and 16.9% ILD occurred more than 10 years after RA onset...
February 12, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28186249/correlation-between-radiological-and-pathological-features-of-operated-ground-glass-nodules
#20
Ludovic Fournel, Harry Etienne, Audrey Mansuet Lupo, Diane Damotte, Alexandra Rouquette, Marie-Pierre Revel, Claude Guinet, Marco Alifano, Jean-François Regnard
No abstract text is available yet for this article.
February 1, 2017: European Journal of Cardio-thoracic Surgery
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