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Solitary pulmonary nodule

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
https://www.readbyqxmd.com/read/29143191/evaluation-of-the-solitary-pulmonary-nodule-size-matters-but-do-not-ignore-the-power-of-morphology
#9
REVIEW
Annemie Snoeckx, Pieter Reyntiens, Damien Desbuquoit, Maarten J Spinhoven, Paul E Van Schil, Jan P van Meerbeeck, Paul M Parizel
Subsequent to the widespread use of multidetector computed tomography and growing interest in lung cancer screening, small pulmonary nodules are more frequently detected. The differential diagnosis for a solitary pulmonary nodule is extremely broad and includes both benign and malignant causes. Recognition of early lung cancers is vital, since stage at diagnosis is crucial for prognosis. Estimation of the probability of malignancy is a challenging task, but crucial for follow-up and further work-up. In addition to the clinical setting and metabolic assessment, morphological assessment on thin-section computed tomography is essential...
November 15, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/29136152/concomitant-thoracoscopic-surgery-for-solitary-pulmonary-nodule-and-atrial-fibrillation
#10
Rongxin Lu, Ju Mei, Dongfang Zhao, Zhaolei Jiang, Haibo Xiao, Mingsong Wang, Nan Ma
OBJECTIVES: The incidence of both solitary pulmonary nodules (SPN) and non-valvular atrial fibrillation (NVAF) has increased over the past decade. We performed concomitant video-assisted thoracoscopic surgery with modified epicardial radiofrequency ablation procedure for NVAF and SPN resection. METHODS: Sixteen patients (7 men, mean age 62.6 ± 11.2 years) with SPN and NVAF underwent this procedure. Of these patients, 10 had paroxysmal atrial fibrillation and 6 persistent atrial fibrillation...
November 10, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29135109/18f-fdg-pet-ct-versus-99tcm-mibi-spect-which-is-better-for-detection-of-solitary-pulmonary-nodules
#11
Guoliang Xia, Chuanguo An, Zonghua Ming, Hong Guo, Lihong Liu, Yufeng Li
PURPOSE: To compare the diagnostic value of 99Tcm-MIBI- SPECT and 18F-FDG-PET/CT in differentiating benign from malignant solitary pulmonary nodules (SPNs). METHODS: 170 SPNs were involved in this study (78 with 99Tcm-MIBI-SPECT and 92 with 18F-FDG-PET/CT). Definite diagnosis of SPNs was determined by biopsy. The diagnostic efficiency of 99Tcm-MIBI-SPECT and 18F-FDGPET/ CT in differentiating benign from malignant SPNs was analyzed and compared. RESULTS: Seventy-eight patients with SPNs were examined with 99Tcm-MIBI-SPECT (26 with malignant SPNs and 52 with benign SPNs)...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29104652/plain-and-contrast-enhanced-chest-computed-tomography-scan-findings-of-pulmonary-cryptococcosis-in-immunocompetent-patients
#12
Rongshui Yang, Yan Yan, Yuhuan Wang, Xiaohuan Liu, Xinhui Su
Pulmonary cryptococcosis is most commonly reported in immunocompromised patients, whereas immunocompetent hosts are rarely affected and may be asymptomatic, resulting in reduced diagnostic performance of computed tomography (CT) imaging. Thus, the aim of the present study was to review the plain and contrast-enhanced chest CT scan findings of primary pulmonary cryptococcosis in immunocompetent patients, with the aim of improving the diagnosis of this type of pulmonary disease. In the present study, a total of 27 immunocompetent patients of clinically confirmed pulmonary cryptococcosis were analyzed retrospectively...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29053106/issues-in-quantification-of-registered-respiratory-gated-pet-ct-in-the-lung
#13
Vesna Cuplov, Beverley Fiona Holman, Jamie R McClelland, Marc Modat, Brian F Hutton, Kris Thielemans
PET/CT quantification of lung tissue is limited by several difficulties: the lung density and local volume changes during respiration, the anatomical mismatch between PET and CT and the relative contributions of tissue, air and blood to the PET signal (the tissue fraction effect). Air Fraction Correction (AFC) has been shown to improve PET image quantification in the lungs. Methods to correct for the movement and anatomical mismatch involve respiratory gating and image registration techniques. While conventional registration methods only account for spatial mismatch, the Jacobian determinant of the deformable registration transformation field can be used to estimate local volume changes and could therefore potentially be used to correct (i...
October 20, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29049239/clinical-features-and-diagnosis-of-chronic-pulmonary-aspergillosis-in-chinese-patients
#14
Xiaomeng Hou, Hong Zhang, Lei Kou, Wei Lv, Jingjing Lu, Ji Li
Chronic pulmonary aspergillosis (CPA) has recently been recognized as a significant global health burden. In China, the diagnosis of CPA is still unfamiliar to most doctors. The aim of this study was to demonstrate the clinical manifestations and diagnoses of CPA in China.A multidisciplinary team of doctors retrospectively screened 690 records of patients diagnosed with pulmonary aspergillosis from January 2000 to December 2016 at Peking Union Medical College Hospital, Beijing, China. Of these, 69 patients were diagnosed with CPA...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29035996/radioguided-occult-lesion-localization-technical-procedures-and-clinical-applications
#15
Gianpiero Manca, Sara Mazzarri, Domenico Rubello, Elisa Tardelli, Roberto C Delgado-Bolton, Francesco Giammarile, Manuela Roncella, Duccio Volterrani, Patrick M Colletti
PURPOSE: Regarding radioguided surgery, the concept of "radioguided occult lesion localization" (ROLL) is based on both preoperative interventional imaging and intraoperative radioguided detection of a clinically occult neoplastic lesion. METHODS: This methodology consists in the direct administration into the lesion of Tc-macroaggregated human albumin formed by relatively large particles retained at the injection site, which direct radioguided excisional biopsy...
December 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29028090/a-comparative-study-on-inflammatory-factors-and-immune-functions-of-lung-cancer-and-pulmonary-ground-glass-attenuation
#16
C-Y Liu, W-G Xie, S Wu, J-W Tian, J Li
OBJECTIVE: To compare the inflammatory factors and immune functions of patients with lung cancer and pulmonary ground-glass attenuation. PATIENTS AND METHODS: A total of 108 patients with pulmonary sarcoidosis treated in our hospital were selected and randomly divided into lung cancer group (Group A, n=32), diffuse ground-glass nodule group (Group B, n=35) and solitary ground-glass nodule group (Group C, n=41) according to the diagnosis results. Levels of inflammatory factors, tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6) and interleukin-10 (IL-10), in serum were detected via enzyme-linked immunosorbent assay (ELISA); the T-lymphocyte subset levels (CD3+, CD4+, CD8+ and CD4+/CD8+) in the immune system of patients in the three groups were detected using the flow cytometer; the levels of immunoglobulins, immunoglobulin G (IgG), immunoglobulin A (IgA) and immunoglobulin M (IgM), were detected via immunoturbidimetric assay...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28981871/should-we-be-concerned-about-the-doses-of-ionizing-radiation-related-to-diagnostic-and-follow-up-imaging-in-patients-with-solitary-pulmonary-nodules
#17
Marta Dabrowska, Zuzanna Przybylo, Malgorzata Zukowska, Malgorzata Kobylecka, Marta Maskey-Warzechowska, Rafal Krenke
Diagnosing solitary pulmonary nodules (SPNs) frequently requires radiological follow up associated with exposure to ionizing radiation. The aim of this study was to estimate the effective dose of ionizing radiation in patients diagnosed and followed up due to SPNs, which were found beyond lung cancer screening programs. We estimated the exposure to ionizing radiation as effective doses (ED) of all imaging techniques using ionizing radiation: chest computed tomography (CT), contrast enhanced CT (CECT) and positron emission tomography combined with CT (PET/CT) in each patient...
August 5, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28977811/-interdisciplinary-treatment-of-patients-with-pulmonary-tuberculosis
#18
Joachim Pfannschmidt, Nicolas Schönfeld
Today surgical procedures for pulmonary tuberculosis are highly selective but owing to the increasing incidence of multidrug resistant tuberculosis has been becoming more and more relevant. Besides the treatment of tuberculosis foci in multidrug resistance tuberculosis to eliminate the source of relapse, complications as sequelae of tuberculosis are among the most frequent indications for surgery. In patients with cavernous lesions, destroyed lobe or lung, bronchiectasis, pleural empyema or hemoptysis thoracic surgical procedures may be warranted...
September 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28975027/second-lung-malignancy-and-richter-syndrome-in-chronic-lymphocytic-leukemia-case-report-and-literature-review
#19
Ghassen Soussi, Selsabil Daboussi, Samira Mhamdi, Zied Moatemri, Hela Ghedira, Chiraz Aichaouia, Mohsen Khadhraoui, Faouzi El Mezni, Rezaik Cheikh
BACKGROUND: Chronic lymphocytic leukemia (CLL) is the most frequent lymphoproliferative disease. Transformation into Richter disease and occurrence of second malignancies involving the lungs are rare complications. The hallmarks of any thoracic involvement are still unknown. CASE PRESENTATION: We report a case of a 56-year-old male patient, with history of tobacco smoking, who presented with recurrent hemoptysis, fatigue and weight loss. Physical examination was normal except a slightly enlarged supraclavicular lymph node...
2017: Multidisciplinary Respiratory Medicine
https://www.readbyqxmd.com/read/28971002/pulmonary-myelolipoma-containing-osseous-tissue-an-unexpected-finding-at-autopsy
#20
Silvija Mašić, Majda Vučić, Sven Seiwerth
Pulmonary myelolipoma is a very rare benign tumor composed of mature adipose tissue and hematopoietic elements such as erythroid, myeloid and megakaryocytic. It usually represents accidental finding during autopsy or chest imaging, since most cases are asymptomatic. Larger masses can lead to hemorrhage, chest pain and chest organ compression. We present a case of incidental finding of pulmonary myelolipoma during the autopsy of an 83- year old woman who died of abdominal aortic rupture. In the right lower lung lobe, solitary, well-circumscribed yellow-brown nodule which was 3 cm in its longest diameter was found...
2017: Respiratory Medicine Case Reports
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