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Solitary pulmonary nodule

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https://www.readbyqxmd.com/read/29437031/underexpression-of-mir-486-5p-but-not-overexpression-of-mir-155-is-associated-with-lung-cancer-stages
#1
Marwa A Mohamed, Ehab I Mohamed, Samir A Abd El-Kaream, Mohamed I Badawi, Samy H Darwish
BACKGROUND: Evidence is increasing that microRNAs (miR) are particularly important in lung homeostasis and development and have been shown to be involved in many pulmonary diseases such as asthma, chronic obstructive pulmonary disease, sarcoidosis, lung cancer (LC) and other smoking-related diseases. OBJECTIVE: The objective of this study was to investigate the expression of miR-155 and miR-486-5p in tissues from LC patients and healthy endobronchial mucosa as prognostic biomarkers for diagnosing LC...
February 12, 2018: MicroRNA
https://www.readbyqxmd.com/read/29432343/clinical-impact-of-radioguided-localization-in-the-treatment-of-solitary-pulmonary-nodule-a-20-year-retrospective-analysis
#2
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/29423146/a-record-breaking-lung-metastasis-from-renal-cell-carcinoma-37-years-after-nephrectomy
#3
Alessandro Tamburrini, Aurelio Majorino, Simon Duggan, Sanjay Jogai, Aiman Alzetani
Development of distant metastases from renal cell carcinoma (RCC) is a frequent occurrence and, in nearly 95% of the cases, secondary lesions present within 5 years following nephrectomy. We performed a left pneumonectomy for a peri-hilar lung mass in an 81-year-old man with history of kidney cancer, resected 37 years earlier. Histopathological examination revealed a solitary lung metastasis from RCC, relapsed after an extraordinary 37-year time interval. To the best of our knowledge, this remarkable case represents the longest time interval between radical nephrectomy for RCC and the occurrence of a pulmonary metastasis...
October 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29356742/18f-fdg-pet-ct-detected-delayed-endoleak-in-an-aortoiliac-endovascular-aneurysm-repair
#4
Byung Jin Kim, Kevin M Bradley, Manil Subesinghe
We present a case of a type Ia endoleak detected using F-FDG PET/CT 10 years after an abdominal aortoiliac endovascular aneurysm repair in an 83-year-old man. The F-FDG PET/CT scan was performed to evaluate a solitary pulmonary nodule but, in addition, demonstrated unexpected blood pool activity outside the stent graft and within the abdominal aortic aneurysm sac, indicating an endoleak; no FDG activity should be present within the aneurysm sac after stent graft placement. A subsequent CT angiogram confirmed the endoleak...
January 19, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29343293/identification-of-preoperative-prediction-factors-of-tumor-subtypes-for-patients-with-solitary-ground-glass-opacity-pulmonary-nodules
#5
Meishuang Li, Yanan Wang, Yulong Chen, Zhenfa Zhang
BACKGROUND: Recent wide spread use of low-dose helical computed tomography for the screening of lung cancer have led to an increase in the detection rate of very faint and smaller lesions known as ground-glass opacity nodules. The purpose of this study was to investigate the clinical factors of lung cancer patients with solitary ground-glass opacity pulmonary nodules on computed tomography. METHODS: A total of 423 resected solitary ground-glass opacity nodules were retrospectively evaluated...
January 17, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29338860/learning-curve-of-image-guided-video-assisted-thoracoscopic-surgery-for-small-pulmonary-nodules-a-prospective-analysis-of-30-initial-patients
#6
Ming-Ju Hsieh, Chih-Tsung Wen, Hsin-Yueh Fang, Yu-Wen Wen, Chien-Cheng Lin, Yin-Kai Chao
OBJECTIVES: The use of image-guided video-assisted thoracoscopic surgery for simultaneous localization and removal of small solitary pulmonary nodules in a hybrid operation room using C-arm cone-beam computed tomography is gaining momentum. We sought to assess the effect of the learning curve on procedural parameters and clinical outcomes of image-guided video-assisted thoracoscopic surgery for treating patients with small solitary pulmonary nodules. METHODS: Clinical variables and treatment outcomes of the 30 initial patients with solitary pulmonary nodules who were treated with image-guided video-assisted thoracoscopic surgery at Chang Gung Memorial Hospital (Taiwan) were prospectively analyzed...
December 13, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29338327/respiratory-gated-pet-ct-for-pulmonary-lesion-characterisation-promises-and-problems
#7
Russell Frood, Garry McDermott, Andrew Scarsbrook
2-Deoxy-2-(18Fluorine)-fluoro-D-glucose (FDG) positron emission tomography/computed tomography (PET/CT) is an integral part of lung carcinoma staging and frequently used in the assessment of solitary pulmonary nodules. However, a limitation of conventional 3D PET/CT when imaging the thorax is its susceptibility to motion artefact which blurs the signal from the lesion resulting in inaccurate representation of size and metabolic activity. Respiratory gated (4D) PET/CT aims to negate the effects of motion artefact and provide a more accurate interpretation of pulmonary nodules and lymphadenopathy...
January 17, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29320833/-analysis-of-9-cases-of-nodular-type-of-pulmonary-cryptococcosis-with-coexisting-lung-cancer-confirmed-by-pathological-examinations
#8
H Y Li, C Q Lan, H Weng, S X Chen, Q H Lin, J B Huang
Objective: To describe the characteristics of the nodular type of pulmonary cryptococcosis (PC) with coexisting lung cancer. Methods: A total of 9 cases of PC with coexisting lung cancer, admitted to Fuzhou Pulmonary Hospital of Fujian from 1st January 2009 to 31th December 2016, and confirmed by pathological examinations, were studied and the related literature were reviewed. Results: The patients consisted of 1 male and 8 females, with a mean age of (53±10) years (range, 38 to 68 years). Four patients (44...
November 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29313653/lung-cancer-screening-and-evaluation-of-patients-with-solitary-pulmonary-nodules
#9
Timothy F Mott
Low-dose computed tomography (CT) scan is the only modality currently considered acceptable for lung cancer screening in high-risk populations. Screening recommendations vary. The US Preventive Services Task Force recommends annual low-dose CT scan to screen high-risk patients (ie, asymptomatic patients ages 55 to 80 years with a 30 pack-year smoking history and who currently smoke or have quit within the previous 15 years). The American Academy of Family Physicians recommends a shared decision-making discussion between the clinician and patient regarding the benefits and potential harms of screening...
January 2018: FP Essentials
https://www.readbyqxmd.com/read/29296228/ct-guided-hookwire-localization-before-video-assisted-thoracoscopic-surgery-for-solitary-ground-glass-opacity-dominant-pulmonary-nodules-radiologic-pathologic-analysis
#10
Hao-Zhe Huang, Guang-Zhi Wang, Li-Chao Xu, Guo-Dong Li, Ying Wang, Yao-Hui Wang, Xin-Hong He, Wen-Tao Li
The optimal screening or treatment strategies of solitary pulmonary nodules especially ground-glass opacities (GGOs) remain controversial. With CT-guided Hookwire localization, it is accurate to find the small lesions during video-assisted thoracoscopic surgery (VATS). In this study, we evaluate the efficiency and safety of CT-guided Hookwire localization of GGO-dominant (GGO component > 50%) pulmonary nodules before VATS and investigate the correlation between the radiologic features and pathology. From April 2008 to April 2014, a total of 273 patients with solitary GGO-dominant pulmonary nodules were included...
December 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/29282351/marked-18-fuorine-fluorodeoxyglucose-fdg-avidity-of-an-intrapulmonary-typical-carcinoid-tumor-manifesting-as-a-bronchocele-in-an-asymptomatic-middle-aged-woman
#11
Camila Saadé-Yordán, Edward McBurney-Henriquez, Ricardo González-Santoni, Carmen Gurrea-Rosas, José Montalvo-Fitzpatrick, José A Maldonado-Vargas
BACKGROUND Intrapulmonary carcinoid tumors (ICTs) are malignant, slow-growing tumors classified as either: i) typical, less aggressive, well-differentiated tumors or ii) atypical, more aggressive, poorly-differentiated tumors. Most typical carcinoid tumors originate in the central airway and present with symptoms related to bronchial obstruction. In contrast, atypical carcinoids tend to occur more peripherally and are generally detected incidentally as a solitary pulmonary nodule (SPN). Typical carcinoid tumors usually do not exhibit increased metabolic activity on positron emission tomography with 18-fuorine-fluorodeoxyglucose (FDG PET) as would be expected for malignant tumors...
December 28, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29236566/genome-profile-in-a-extremely-rare-case-of-pulmonary-sclerosing-pneumocytoma-presenting-with-diffusely-scattered-nodules-in-the-right-lung
#12
Xiangshan Fan, Ling Lin, Jianjun Wang, Yu Wang, Anning Feng, Ling Nie, Hongyan Wu, Fanqing Meng, Haodong Xu
BACKGROUND: Pulmonary sclerosing pneumocytoma (PSP) typically presents solitary and peripheral mass, while only rarely cases display unusual multiple lesions. We reported a extremely rare case of PSP with diffusely-scattered nodules in the right lung. CASE PRESENTATION: Diffusely round-shaped nodular shadows in the right lung were found by CT scan in a 31-year-old Chinese woman. The patient undergone the right pneumnectomy. Grossly, numerous small nodules, up to 2...
December 13, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29221316/recent-advances-in-the-management-of-pulmonary-tuberculoma-with-focus-on-the-use-of-tubeless-video-assisted-thoracoscopic-surgery
#13
REVIEW
Zhaohua Xia, Kun Qiao, Jianxing He
Pulmonary tuberculoma are benign solitary pulmonary nodules representing up to 25% of all resected solitary pulmonary nodules. However, the differentiation between pulmonary tuberculoma and lung cancer, as well as between active tuberculoma and inactive tuberculoma remains a clinical challenge. The present review summarizes the recent advances in the management of pulmonary tuberculoma, including radiological findings, the response to anti-tuberculosis treatment and surgical treatments. Application of the novel tubeless video-assisted thoracoscopic surgery (VATS) technique in both the diagnosis and treatment of pulmonary tuberculoma has been found to be safe and feasible and leads to less surgical trauma, which results in reduced length of hospitalization and better post-operative quality of life...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29201223/application-of-positron-emission-tomography-computed-tomography-in-the-diagnosis-of-pulmonary-ground-glass-nodules
#14
Lili Hu, Yuanwei Pan, Zhigang Zhou, Jianbo Gao
The aim of the present study was to investigate the value of positron emission tomography-computed tomography (PET-CT) using 18F-fluorodeoxyglucose in the clinical diagnosis of pulmonary ground-glass nodule. In total, 54 patients with pulmonary GGN that were identified by PET-CT examination were selected and confirmed by pathology and clinical diagnosis in hospital between April 2014 and April 2015. The association between PET-CT findings and pathology, and the value of PET-CT were then evaluated. In the 54 patients, solitary pulmonary GGN with a nodule diameter of between 0...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29199704/solitary-pulmonary-nodule-evaluation-in-regions-endemic-for-infectious-diseases-do-regional-variations-impact-the-effectiveness-of-fluorodeoxyglucose-positron-emission-tomography-computed-tomography
#15
N C Purandare, C S Pramesh, J P Agarwal, A Agrawal, S Shah, K Prabhash, G Karimundackal, S Jiwnani, S Tandon, V Rangarajan
BACKGROUND: Fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) has become a preferred imaging modality for the evaluation of solitary pulmonary nodule (SPN), particularly in the developed world. Since FDG can concentrate in infective/inflammatory lesions, the diagnostic utility of FDG-PET can be questioned, particularly in regions endemic for infectious decisions. AIM: To evaluate the accuracy of FDG-PET/CT in evaluation of SPNs in a population endemic for infectious disease and to assess if regional variations have an impact on its effectiveness...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29195577/perspectives-on-managing-solitary-pulmonary-nodules-a-survey-of-primary-care-physicians
#16
Geena Wu, Martin Consunji, Rebecca A Nelson, Kenny Yeung, Canlan Sun, Jae Y Kim, Dan J Raz
Primary care physicians (PCPs) may be involved in the evaluation of solitary pulmonary nodules (SPNs) detected through lung cancer screening. Little is known about their perspectives on the management or the referral of SPN. Using the American Medical Association's Physician Masterfile, we randomly surveyed 1384 PCPs between January and October 2015 with an 18% response rate. A subset analysis was performed on SPN management and referral practices of PCP. These results and those relating to practice characteristics were compared between family practice and internal medicine physicians...
2017: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29191211/unexpected-pulmonary-tumor-metastasis-from-a-benign-uterine-leiomyoma-in-a-post-menopausal-woman-a-case-report
#17
Boubacar Efared, Gabrielle Atsame-Ebang, Rabiou Sani, Layla Tahiri, Ibrahim Sory Sidibe, Fatimazahra Erregad, Nawal Hammas, Mohamed Smahi, Mounia Serraj, Laila Chbani, Hinde El Fatemi
BACKGROUND: The occurrence of lung metastasis from benign uterine leiomyomas is rarely reported especially in post menopausal women. The pathogenesis of these metastatic benign tumors still remains a subject of various speculations. CASE PRESENTATION: A 57-year-old woman presented with a chronic cough and dyspnea. She had undergone 8 years previously, hysterectomy for benign leiomyomas. A chest computed tomography scan showed a 4 cm solitary nodular parenchymal tumor that increased in size after 12 months...
December 1, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29173759/early-detection-of-lung-cancer-using-ultra-low-dose-computed-tomography-in-coronary-ct-angiography-scans-among-patients-with-suspected-coronary-heart-disease
#18
Matheus Zanon, Gabriel Sartori Pacini, Vinicius Valério Silveiro de Souza, Edson Marchiori, Gustavo Souza Portes Meirelles, Gilberto Szarf, Felipe Soares Torres, Bruno Hochhegger
OBJECTIVES: To assess whether an additional chest ultra-low-dose CT scan to the coronary CT angiography protocol can be used for lung cancer screening among patients with suspected coronary artery disease. METHODS: 175 patients underwent coronary CT angiography for assessment of coronary artery disease, additionally undergoing ultra-low-dose CT screening to early diagnosis of lung cancer in the same scanner (80kVp and 15mAs). Patients presenting pulmonary nodules were followed-up for two years, repeating low-dose CTs in intervals of 3, 6, or 12 months based on nodule size and growth rate in accordance with National Comprehensive Cancer Network guidelines...
December 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29167690/synchronous-gists-associated-with-multiple-sporadic-tumors-a-case-report
#19
Danila Comandini, Azzurra Damiani, Alessandro Pastorino
Gastrointestinal stromal tumors (GISTs) are rare neoplasms, but they also represent the most common mesenchymal tumors of the gastrointestinal tract originating from the cell of Cajal. GIST incidence ranges around 1% of all gastrointestinal malignancies. Approximately 5% of all GISTs have a hereditary etiology. The remaining 95% of GISTs are considered sporadic events, with up to 75% of cases driven by a constitutional activation of the c-KIT proto-oncogene. GISTs are generally solitary lesions. Nonetheless, multiple sporadic GISTs can occur and present as synchronous or metachronous tumors, usually associated with familial GIST...
2017: Drugs in Context
https://www.readbyqxmd.com/read/29154123/3d-skeletonization-feature-based-computer-aided-detection-system-for-pulmonary-nodules-in-ct-datasets
#20
Weihang Zhang, Xue Wang, Xuanping Li, Junfeng Chen
Pulmonary nodule detection has a significant impact on early diagnosis of lung cancer. To effectively detect pulmonary nodules from interferential vessels in chest CT datasets, this paper proposes a novel 3D skeletonization feature, named as voxels remove rate. Based on this feature, a computer-aided detection system is constructed to validate its performance. The system mainly consists of five stages. Firstly, the lung tissues are segmented by a global optimal active contour model, which can extract all structures (including juxta-pleural nodules) in the lung region...
November 11, 2017: Computers in Biology and Medicine
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