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Thoracic CT

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https://www.readbyqxmd.com/read/28230245/ct-guided-percutaneous-hookwire-localization-increases-the-efficacy-and-safety-of-vats-for-pulmonary-nodules
#1
Theo J Klinkenberg, Lars Dinjens, Rienhart F E Wolf, Anthonie J van der Wekken, Caroline van de Wauwer, Geertruida H de Bock, Wim Timens, Massimo A Mariani, Harry J M Groen
BACKGROUND AND OBJECTIVES: The diagnosis of pulmonary nodules of unknown origin is challenging, and such nodules are not always suitable for transthoracic needle biopsy. With the advent of video assisted thoracic surgery (VATS) and CT-guided percutaneous hookwire localization (CT-PHL) we hypothesized that the combination of these two procedures will improve early diagnosis. METHODS: Selection criteria were a nodule not well approachable with fine needle biopsy and the therapeutic consequences of a diagnosis as assessed by the multidisciplinary oncology board...
February 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28226737/4d-lung-tumor-segmentation-via-shape-prior-and-motion-cues
#2
Jung Won Cha, Mohammad M Farhangi, Neal Dunlap, Amir Amini, Jung Won Cha, Mohammad M Farhangi, Neal Dunlap, Amir Amini, Jung Won Cha, Amir Amini, Neal Dunlap, Mohammad M Farhangi
Lung tumor segmentation is important for therapy in the radiation treatment of patients with thoracic malignancies. In this paper, we describe a 4D image segmentation method based on graph-cuts optimization, shape prior and optical flow. Due to small size, the location, and low contrast between the tumor and the surrounding tissue, tumor segmentation in 3D+t is challenging. We performed 4D lung tumor segmentation in 5 patients, and in each case compared the results with the expert-delineated lung nodules. In each case, 4D image segmentation took approximately ten minutes on a PC with AMD Phenom II and 32GB of memory for segmenting tumor in five phases of lung CT data...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28223817/emergency-thoracic-ultrasound-and-clinical-risk-management
#3
Maria Concetta Interrigi, Francesca M Trovato, Daniela Catalano, Guglielmo M Trovato
PURPOSE: Thoracic ultrasound (TUS) has been proposed as an easy-option replacement for chest X-ray (CXR) in emergency diagnosis of pneumonia, pleural effusion, and pneumothorax. We investigated CXR unforeseen diagnosis, subsequently investigated by TUS, considering its usefulness in clinical risk assessment and management and also assessing the sustainability of telementoring. PATIENTS AND METHODS: This observational report includes a period of 6 months with proactive concurrent adjunctive TUS diagnosis telementoring, which was done using freely available smartphone applications for transfer of images and movies...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28223674/-a-case-of-recurrent-breast-cancer-with-bone-metastasis-successfully-treated-with-everolimus-and-exemestane-therapy
#4
Hidefumi Kubo, Yuta Kimura, Toru Kawaoka, Makoto Miyahara, Ryouichi Shimizu, Yukiko Nagashima, Shigeru Yamamoto, Hiroaki Nagano
We report a case of a patient treated with everolimus and exemestane combination therapy for bone metastasis after breast surgery.The patient, a 58-year-old woman, consulted our department for back pain in October 2014.S he was diagnosed with left breast cancer when she was 41 years old.She had received Bt+Ax for left breast cancer and administered tamoxifen for 5 years.We decided on everolimus and exemestane combination therapy after observing an abnormal uptake in the 7th to 8th thoracic vertebrae on a PET-CT scan...
February 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28222142/evaluation-of-18-f-fluoro-2-deoxyglucose-fdg-positron-emission-tomography-computed-tomography-pet-ct-as-a-staging-and-monitoring-tool-for-dogs-with-stage-2-splenic-hemangiosarcoma-a-pilot-study
#5
Antonella Borgatti, Amber L Winter, Kathleen Stuebner, Ruth Scott, Christopher P Ober, Kari L Anderson, Daniel A Feeney, Daniel A Vallera, Joseph S Koopmeiners, Jaime F Modiano, Jerry Froelich
Positron Emission Tomography-Computed Tomography (PET-CT) is routinely used for staging and monitoring of human cancer patients and is becoming increasingly available in veterinary medicine. In this study, 18-fluorodeoxyglucose (18FDG)-PET-CT was used in dogs with naturally occurring splenic hemangiosarcoma (HSA) to assess its utility as a staging and monitoring modality as compared to standard radiography and ultrasonography. Nine dogs with stage-2 HSA underwent 18FDG-PET-CT following splenectomy and prior to commencement of chemotherapy...
2017: PloS One
https://www.readbyqxmd.com/read/28217605/a-rare-cause-of-misdiagnosis-in-chest-x-ray
#6
Carlos Manuel Ortiz-Mendoza
Chest X-ray is a usual tool for family physicians; however, unexpected findings in chest X-ray are a frequent challenge. We present a rare case of pulmonary hilar nodule misdiagnosis in a chest X-ray. An 84-year-old woman was sent with a diagnosis of a right pulmonary hilum nodule. She had a history of chronic obstructive pulmonary disease; so in a chest X-ray, her family physician discovered a "nodule" in her right lung hilum. Her physical exam was not relevant. In our hospital, a thoracic computed tomography (CT) scan verified the mass in the right pulmonary hilum; nevertheless, in a coronal CT scan, the "hilum lump" was the tortuous descending aorta that created an angle...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28216610/pulmonary-kaposi-sarcoma-with-osseous-metastases-in-an-human-immunodeficiency-virus-hiv-patient-a-remarkable-response-to-highly-active-antiretroviral-therapy
#7
Ahmed Dirweesh, Muhammad Yasir Khan, Shaikh Fawad Hamiz, Nigahus Karabulut
BACKGROUND Kaposi sarcoma (KS) is known to involve the mucocutaneous tissues and the aero-digestive tracts. In acquired immune deficiency syndrome (AIDS) patients, KS has an aggressive course and carries poor prognosis. We present a case of pulmonary KS with osseous metastases as the first presentation of human immunodeficiency virus (HIV) infection in a young male. The lesions impressively decreased in size and numbers following initiation of highly active antiretroviral therapy (HAART). CASE REPORT A 34-year-old heterosexual male presented with a one month history of cough and 15-20 pound weight loss within six months...
February 20, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28216527/usefulness-of-intraoperative-cone-beam-ct-images-on-video-assisted-thoracic-surgery
#8
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/28215632/ventricular-geometry-from-non-contrast-non-ecg-gated-ct-scans-an-imaging-marker-of-cardiopulmonary-disease-in-smokers
#9
Farbod N Rahaghi, Gonzalo Vegas-Sanchez-Ferrero, Jasleen K Minhas, Carolyn E Come, Isaac De La Bruere, James M Wells, Germán González, Surya P Bhatt, Brett E Fenster, Alejandro A Diaz, Puja Kohli, James C Ross, David A Lynch, Mark T Dransfield, Russel P Bowler, Maria J Ledesma-Carbayo, Raúl San José Estépar, George R Washko
RATIONALE AND OBJECTIVES: Imaging-based assessment of cardiovascular structure and function provides clinically relevant information in smokers. Non-cardiac-gated thoracic computed tomographic (CT) scanning is increasingly leveraged for clinical care and lung cancer screening. We sought to determine if more comprehensive measures of ventricular geometry could be obtained from CT using an atlas-based surface model of the heart. MATERIALS AND METHODS: Subcohorts of 24 subjects with cardiac magnetic resonance imaging (MRI) and 262 subjects with echocardiography were identified from COPDGene, a longitudinal observational study of smokers...
February 15, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28215550/evaluation-of-unenhanced-post-mortem-computed-tomography-to-detect-chest-injuries-in-violent-death
#10
I Sifaoui, C Nedelcu, G Beltran, V Dupont, J Lebigot, A Gaudin, C Ridereau Zins, C Rouge Maillard, C Aubé
PURPOSE: The aim of this study was to assess the performances of unenhanced post-mortem computed tomography (CT) to detect thoracic injuries in violent death. MATERIALS AND METHODS: Retrospectively, we conducted a review of unenhanced CT scans of 67 victims of violent deaths with thoracic injuries and compared CT findings with the results of clinical autopsy. Our gold standard was a comparison of CT scans with autopsy discussed in a monthly forensic radiology multidisciplinary team meeting (MDTM)...
February 16, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28212053/transthoracic-echocardiography-pitfalls-and-limitations-as-delineated-at-cardiac-ct-and-mr-imaging
#11
Sachin B Malik, Natalie Chen, Rex A Parker, Joe Y Hsu
Transthoracic echocardiography ( TTE transthoracic echocardiography ) is a critical tool in the field of clinical cardiology. It often serves as one of the first-line imaging modalities in the evaluation of cardiac disease owing to its low cost, portability, widespread availability, lack of ionizing radiation, and ability to evaluate both anatomy and function of the heart. Consequently, a large majority of patients undergoing a cardiac computed tomography (CT) or magnetic resonance (MR) imaging examination will have a TTE transthoracic echocardiography available for review...
February 17, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28210997/3d-skeletal-uptake-of-18-f-sodium-fluoride-in-pet-ct-images-is-associated-with-overall-survival-in-patients-with-prostate-cancer
#12
Sarah Lindgren Belal, May Sadik, Reza Kaboteh, Nezar Hasani, Olof Enqvist, Linus Svärm, Fredrik Kahl, Jane Simonsen, Mads H Poulsen, Mattias Ohlsson, Poul F Høilund-Carlsen, Lars Edenbrandt, Elin Trägårdh
BACKGROUND: Sodium fluoride (NaF) positron emission tomography combined with computer tomography (PET/CT) has shown to be more sensitive than the whole-body bone scan in the detection of skeletal uptake due to metastases in prostate cancer. We aimed to calculate a 3D index for NaF PET/CT and investigate its correlation to the bone scan index (BSI) and overall survival (OS) in a group of patients with prostate cancer. METHODS: NaF PET/CT and bone scans were studied in 48 patients with prostate cancer...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28207622/curve-characteristics-and-foraminal-dimensions-in-patients-with-adult-scoliosis-and-radiculopathy
#13
Andrew J Pugely, Zachary Ries, Gnanapradeep Gnanapragasam, Yubo Gao, Rachel Nash, Sergio A Mendoza-Lattes
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: To demonstrate a correlation between radiculopathy symptoms, foraminal morphology, and curve types. SUMMARY OF BACKGROUND DATA: Patients with degenerative scoliosis frequently present with foraminal stenosis and radiculopathy, the origin of which is not well understood. METHODS: A total of 48 patients (384 foraminas) were included: 14 with low back pain (B); 16 with femoral nerve pain (F); and 18 with sciatic nerve pain (S)...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28207510/endovascular-repair-of-bilateral-common-iliac-artery-aneurysms-using-gore-excluder-iliac-branch-endoprosthesis-without-aortobi-iliac-stent-graft-conjunction-a-case-report
#14
Vincenzo Ardita, Alessia Giaquinta, Massimiliano Veroux, Angelo Sanfiorenzo, Carla Virgilio, Giuseppe D'Arrigo, Pierfrancesco Veroux
INTRODUCTION: Bilateral common iliac artery (CIA) aneurysm (CIAA) is a rare entity. In the past decade, different endovascular approaches have been adopted for patients with several comorbidities or unfit for open repair (OR). Recently, the use of iliac branch stent graft has been proposed, resulting in satisfactory patency rates and decrease in morbidity. Currently, according to instruction for use, the iliac branch stent graft is to be used with aortobi-iliac stent graft conjunction...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28206676/thoracic-ct-mri-co-registration-for-regional-pulmonary-structure-function-measurements-of-obstructive-lung-disease
#15
Fumin Guo, Sarah Svenningsen, Miranda Kirby, Dante P I Capaldi, Khadija Sheikh, Aaron Fenster, Grace Parraga
PURPOSE: Recent pulmonary imaging research has revealed that in patients with chronic obstructive pulmonary disease (COPD) and asthma, structural and functional abnormalities are spatially heterogeneous. This novel information may help optimize treatment in individual patients, monitor interventional efficacy and develop new treatments. Moreover, by automating the measurement of regional biomarkers for the 19 different anatomical lung segments, there is an opportunity to embed imaging biomarkers into clinically-acceptable clinical workflows and improve lung disease clinical care...
February 16, 2017: Medical Physics
https://www.readbyqxmd.com/read/28205183/large-primary-pleural-synovial-sarcoma-with-severe-dyspnea-a-case-report
#16
Minoru Yamaki, Shuji Yonehara, Toshio Noriyuki
BACKGROUND: Synovial sarcoma is a malignant neoplasm of soft tissues. It occurs mainly in the extremities and is closely related to tendons, tendon sheaths, and bursal structures. Primary synovial sarcoma of the pleura and lungs is extremely rare. CASE PRESENTATION: We present the case of a 62-year-old man with a large synovial sarcoma of the left pleura. He presented with general fatigue and severe dyspnea. Chest computed tomography (CT) revealed a 20-cm tumor in the left thoracic cavity...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28203438/current-concepts-in-severe-adult-tracheobronchomalacia-evaluation-and-treatment
#17
REVIEW
Daniel H Buitrago, Jennifer L Wilson, Mihir Parikh, Adnan Majid, Sidhu P Gangadharan
There is increasing recognition of tracheobronchomalacia (TBM) in patients with respiratory complaints, though its true incidence in the adult population remains unknown. Most of these patients have an acquired form of severe diffuse TBM of unclear etiology. The mainstays of diagnosis are dynamic (inspiratory and expiratory) airway computed tomography (CT) scan and dynamic flexible bronchoscopy with forced expiratory maneuvers. While the prevailing definition of TBM is 50% reduction in cross-sectional area, a high proportion of healthy volunteers meet this threshold, thus this threshold fails to identify patients that might benefit from intervention...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28202890/a-case-of-upside-down-stomach-that-was-effectively-treated-by-postprandial-repositioning
#18
Kazumasa Ono, Hiroshi Hasegawa, Toshimasa Obara, Kei Miyagishima, Shinichiro Inoue, Koichi Kozaki
An 88-year-old woman with a history of stomach perforation and lumbar compression fracture was admitted to our hospital with a chief complaint of continuous vomiting, which she had experienced since the previous day. She showed vomiting, spontaneous pain and tenderness from the epigastric fossa through the left flank. In addition, she had marked kyphosis. On a CT scan, although the fornix was located in the abdominal cavity, the antrum and body had escaped into the thoracic cavity. A large volume of gastric content was observed...
2017: Nihon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics
https://www.readbyqxmd.com/read/28197883/central-airway-pathology-clinic-features-ct-findings-with-pathologic-and-virtual-endoscopy-correlation
#19
REVIEW
Daniel Barnes, José Gutiérrez Chacoff, Mariana Benegas, Rosario J Perea, Teresa M de Caralt, José Ramirez, Ivan Vollmer, Marcelo Sanchez
OBJECTIVES: To describe the imaging features of the central airway pathology, correlating the findings with those in pathology and virtual endoscopy. To propose a schematic and practical approach to reach diagnoses, placing strong emphasis on multidetector computed tomography (MDCT) findings. METHODS: We reviewed our thoracic pathology database and the central airway pathology-related literature. Best cases were selected to illustrate the main features of each disease...
February 15, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28197816/analysis-of-variation-in-bronchovascular-pattern-of-the-right-middle-and-lower-lobes-of-the-lung-using-three-dimensional-ct-angiography-and-bronchography
#20
Toshiteru Nagashima, Kimihiro Shimizu, Yoichi Ohtaki, Kai Obayashi, Seshiru Nakazawa, Akira Mogi, Hiroyuki Kuwano
OBJECTIVES: General thoracic surgeons must be familiar with anatomical variation in the pulmonary vessels and bronchi. Here, we analyzed the bronchovascular pattern of the right middle lobe (RML) and right lower lobe (RLL) of the lung using three-dimensional CT angiography and bronchography (3DCTAB). METHODS: We reviewed the anatomical patterns of the pulmonary vessels and bronchi in 270 patients using 3DCTAB images. RESULTS: The branching patterns of vessels and bronchi of RML and S(6) were classified according to the number of stems...
February 14, 2017: General Thoracic and Cardiovascular Surgery
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