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Chest ultrasonography

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https://www.readbyqxmd.com/read/28426843/understanding-the-risks-and-harms-of-management-of-incidental-thyroid-nodules-a-review
#1
Jenny K Hoang, Xuan V Nguyen
Importance: Incidental thyroid nodules are defined as nodules originally detected in a patient with no thyroid-related clinical symptoms, examination findings, or suspected thyroid disease. Medical imaging for diseases in the neck, chest, and spine is a common source of incidental thyroid nodules. They are easily detected but poorly characterized. The next step is to decide whether the incidental thyroid nodule should be further evaluated with ultrasonography. Observations: Indiscriminate workup of incidental thyroid nodules with ultrasonography is not cost-effective and is potentially harmful...
April 20, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28420337/right-aortic-arch-analysis-anatomical-variant-or-serious-vascular-defect
#2
Agata Arazińska, Michał Polguj, Konrad Szymczyk, Magdalena Kaczmarska, Łukasz Trębiński, Ludomir Stefańczyk
BACKGROUND: The right-sided aortic arch (RAA) is a rare congenital defect of the aorta. The aim of the study was to assess the occurrence of RAA in diagnoses performed by the University Radiology Department and analyze the frequency of concomitant vascular abnormalities. METHODS: The database of the Radiology Department was retrospectively analyzed between January 2008 and May 2016 with the keyword "right aortic arch". Twenty patients with this diagnosis were identified from a total of 11,690 CT examinations of the chest area, 19,623 CT examinations of brain-supplying vessels, and 1863 MRI examinations of the heart and aortic arch or brain-supplying arteries...
April 19, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28419904/leydig-cell-tumor-in-grey-zone-a-case-report
#3
Muheilan Mustafa Muheilan, Maha Shomaf, Emad Tarawneh, Muayyad Mujalli Murshidi, Manar Rizik Al-Sayyed, Mujalli Mhailan Murshidi
INTRODUCTION: Leydig cell tumor constitutes only about 1-3% of testicular neoplasms. There is apparently increased incidence in the last few years; one possible explanation for this phenomenon is the widespread use of ultrasound technology and the subsequent increased early detection of smaller lesions that have not been found in historical series. CASE PRESENTATION: We report a case of Leydig cell tumor of testis in a patient presenting with painless long standing slowly growing left scrotal mass who found to have intrapulmonary nodule and multiple enlarged retroperitoneal lymph nodes on staging work up...
April 4, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28405492/a-rare-complication-of-central-venous-catheter-extravasation-in-a-preterm-neonate-hemidiaphragmatic-paralysis
#4
C Hobson, D Dubillot, H Lardy, D Sirinelli, E Saliba, E Lopez
We report a case of a preterm neonate born at 26 weeks' of gestation diagnosed with unilateral diaphragmatic paralysis. This paralysis was a consequence of a phrenic nerve injury due to extravasation of hyperosmolar parenteral nutrition fluid in the upper thorax. Chest X-rays and ultrasonography confirmed the diagnosis. The neonate was treated with prolonged respiratory support and did not require surgical treatment. This report describes a case of hemidiaphragmatic paralysis as a complication of central venous catheter insertion...
April 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28404216/lung-ultrasonography-to-diagnose-pneumothorax-of-the-newborn
#5
Jing Liu, Jing-Han Chi, Xiao-Ling Ren, Jie Li, Ya-Juan Chen, Zu-Lin Lu, Ying Liu, Wei Fu, Rong-Ming Xia
OBJECTIVE: To explore the reliability and accuracy of lung ultrasound for diagnosing neonatal pneumothorax. METHODS: This study was divided into two phases. (1) In the first phase, from January 2013 to June 2015, 40 patients with confirmed pneumothorax had lung ultrasound examinations performed to identify the sonographic characteristics of neonatal pneumothorax. (2) In the second phase, from July 2015 to August 2016, lung ultrasound was undertaken on 50 newborn infants with severe lung disease who were suspected of having pneumothorax, to evaluate the sonographic accuracy and reliability to diagnose pneumothorax...
April 3, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28400069/diagnostic-accuracy-of-a-novel-software-technology-for-detecting-pneumothorax-in-a-porcine-model
#6
Shane M Summers, Eric J Chin, Michael D April, Ronald D Grisell, Joshua A Lospinoso, Bijan S Kheirabadi, Jose Salinas, Lorne H Blackbourne
INTRODUCTION: Our objective was to measure the diagnostic accuracy of a novel software technology to detect pneumothorax on Brightness (B) mode and Motion (M) mode ultrasonography. METHODS: Ultrasonography fellowship-trained emergency physicians performed thoracic ultrasonography at baseline and after surgically creating a pneumothorax in eight intubated, spontaneously breathing porcine subjects. Prior to pneumothorax induction, we captured sagittal M-mode still images and B-mode videos of each intercostal space with a linear array transducer at 4cm of depth...
April 1, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28361002/a-case-of-lung-abscess-successfully-treated-by-transbronchial-drainage-using-a-guide-sheath
#7
Hiroki Izumi, Masahiro Kodani, Shingo Matsumoto, Yuji Kawasaki, Tadashi Igishi, Eiji Shimizu
A 51-year-old man was diagnosed with colon cancer in September 2011, and a solitary pulmonary nodule was detected by computed tomography (CT) scan. We performed a transbronchial biopsy with endobronchial ultrasonography using a guide sheath (GS) and diagnosed lung metastasis of colon cancer. The patient experienced remittent fever after the biopsy in spite of intravenous antibiotic therapies. Moreover, his CT scan showed a large lung abscess at the biopsy site. We performed transbronchial drainage using a GS as salvage therapy...
May 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28360474/an-intra-thoracic-follicular-carcinoma-of-thyroid-an-uncommon-presentation
#8
Surya Kant, Anand Srivastava, Rahul Kumar, Ajay Kumar Verma, Anand Kumar Mishra, Nuzhat Husain
Follicular carcinoma of thyroid is the second most common type of carcinoma of thyroid, and it may metastasize to bone, lung, brain, and skin. However, the initial presentation of follicular carcinoma of the thyroid as a large intrathoracic mass without any symptoms of thyroid gland enlargement and dysfunction is very rare. We hereby report a case of a 50-year-old male who presented with chief complaints of chest and low back pain. Preliminary evaluation led to the provisional diagnosis of left-sided intrathoracic mass with vertebral metastasis which was suspected to be a case of bronchogenic carcinoma with distant metastasis...
March 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28342919/radiation-exposure-to-the-surgeon-during-ultrasound-assisted-transforaminal-percutaneous-endoscopic-lumbar-discectomy-a-prospective-study
#9
Ruihui Wu, Xuqiang Liao, Hong Xia
PURPOSE: To determine the radiation dose to the surgeon during ultrasound-assisted transforaminal percutaneous endoscopic lumbar discectomy (transforaminal PELD) for lumbar disc herniation, and investigate whether the usage of ultrasonography could reduce the radiation exposure to surgeon. METHODS: The stages of needle insertion and foraminal plasty for transforaminal PELD were performed under ultrasound guidance and confirmed by fluoroscopy according to the standard technique by two spinal surgeons separately in 25 transforaminal PELDs (25 levels)...
March 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28328591/accidental-cannulation-of-persistent-left-superior-vena-cava-in-a-case-of-absent-right-internal-jugular-vein-role-of-ultrasonography-and-x-ray
#10
Nilesh B Sonawane, Falguni Rajendra Shah, Prakash Jagadish Gawankar
Persistent left superior vena cava is a rare vascular anatomical variant. Although ultrasonography has facilitated the process of central venous catheterization, it cannot be used to locate the tip of a catheter. Postprocedure chest X-ray is desirable for locating the course and tip of the catheter. In our case, initial ultrasonography demonstrated the absence of the right internal jugular vein. This prompted insertion of a central venous catheter on the left side of the neck in the presence of normal vascular anatomy...
March 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28306695/lung-ultrasonography-a-practical-guide-for-cardiologists
#11
Francesco Bianco, Valentina Bucciarelli, Fabrizio Ricci, Raffaele De Caterina, Sabina Gallina
Lung ultrasonography is a well established, user-friendly and easy-to-use technique that can be used in the evaluation of several pathological conditions affecting the lung. Adding lung ultrasonography to traditional echocardiography provides an integrated cardiopulmonary ultrasound analysis. The simultaneous collection of information about the heart and the lungs can help physicians to investigate acute and chronic cardio-pulmonary conditions within a noninvasive, single-probe and all-in-one examination, not exposing the patient to the danger of ionizing radiation...
March 16, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28295525/advantages-and-pitfalls-of-pocket-ultrasound-vs-daily-chest-radiography-in-the-coronary-care-unit-a-single-user-experience
#12
Colin T Phillips, Warren J Manning
BACKGROUND: Pocket ultrasonography may enhance patient diagnosis and care. We sought to assess pocket ultrasound in detecting common conditions in the coronary care unit (CCU) compared to portable daily chest radiography (CXR) and conventional transthoracic echocardiography (TTE). METHODS: An experienced pocket ultrasound user performed a pocket ultrasound examination for interstitial edema, pneumonia, central line seen in the right ventricle, pleural and pericardial effusions, left atrial enlargement, and cardiomegaly...
March 14, 2017: Echocardiography
https://www.readbyqxmd.com/read/28286835/role-of-feedback-during-evaluation-in-improving-emergency-medicine-residents-skills-an-experimental-study
#13
Ali Vafaei, Kamran Heidari, Mohammad-Ali Hosseini, Mostafa Alavi-Moghaddam
INTRODUCTION: Evaluation of students' learning in clinical education system is one of the most important and challenging issues that facilities in this field have been facing. The present study aimed to evaluate the role of feedback during evaluation in increasing emergency medicine residents' clinical skills. METHOD: The present experimental study was performed on all second year emergency medicine residents of two educational hospitals, Tehran, Iran, with switching replications design and before-after method...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28286826/screening-characteristics-of-bedside-ultrasonography-in-confirming-endotracheal-tube-placement-a-diagnostic-accuracy-study
#14
Hamid Zamani Moghadam, Mohamad Davood Sharifi, Hasan Rajabi, Mojtaba Mousavi Bazaz, Ali Alamdaran, Niazmohammad Jafari, Seyed Amir Masoud Hashemian, Morteza Talebi Deloei
INTRODUCTION: Confirmation of proper endotracheal tube placement is one of the most important and lifesaving issues of tracheal intubation. The present study was aimed to evaluate the accuracy of tracheal ultrasonography by emergency residents in this regard. METHOD: This was a prospective, cross sectional study for evaluating the diagnostic accuracy of ultrasonography in endotracheal tube placement confirmation compared to a combination of 4 clinical confirmation methods of chest and epigastric auscultation, direct laryngoscopy, aspiration of the tube, and pulse oximetry (as reference test)...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28282364/lung-ultrasound-for-the-regional-anesthesiologist-and-acute-pain-specialist
#15
Stephen C Haskins, Ban C Tsui, Jemiel A Nejim, Christopher L Wu, Jan Boublik
In this article, we discuss the emerging role of lung point-of-care ultrasonography for regional anesthesiologists and pain management specialists. Lung ultrasonography is a well-established clinical tool that is used on a routine basis in emergency rooms and critical care units internationally to evaluate patients with respiratory distress; however, its benefits to the regional anesthesiologist and pain specialist are not as well known and are practiced less frequently. This review article covers the clinical evidence in support of lung point-of-care ultrasonography as a rapid and superior tool to traditional imaging modalities such as chest radiography and fluoroscopy...
May 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28271511/mapping-the-distribution-of-nodal-metastases-in-papillary-thyroid-carcinoma-where-exactly-are-the-nodes
#16
Neerav Goyal, Michael Pakdaman, Dipti Kamani, Diana Caragacianu, David Goldenberg, Gregory W Randolph
OBJECTIVE: To characterize nodal disease of patients presenting with papillary thyroid carcinoma (PTC) STUDY DESIGN: Retrospective chart review. METHODS: PTC patients who underwent thyroidectomy and/or neck dissection (revision/primary) from 2004 to 2009 at a tertiary-care hospital were reviewed. Preoperative computed tomography (CT) scan and ultrasonography were utilized to identify macroscopic, clinically apparent nodal metastasis (cN+). Demographic data, type of surgery, nodal disease, and primary tumor information were recorded...
March 8, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28255810/mdct-and-us-of-intrathoracic-extrapleural-space-soft-tissue-containing-lesions-us-extrapleural-fat-sign-and-mdct-fat-ghost-ribs-sign
#17
Tullio Valente, Giovanni Tortora, Giorgio Bocchini, Gaetano Rea, Maurizio Marino, Maurizio Muto
PURPOSE: The purpose of this study was to review the normal anatomy of the extrapleural space, its soft tissue-containing lesions, and to illustrate the extrapleural fat sign with Multidetector Computed Tomography (MDCT) and Ultrasound (US), which was never described so far. MATERIALS AND METHODS: The study includes 28 patients. 24 with histologically or surgically proven extrapleural soft tissue-containing lesions and 4 pleural lesions. Six patients underwent unenhanced MDCT of the chest, while 22 patients had a contrast-enhanced chest MDCT...
March 3, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28249712/genetically-confirmed-thanatophoric-dysplasia-with-fibroblast-growth-factor-receptor-3-mutation
#18
Minsun Jung, Sung-Hye Park
Thanatophoric dysplasia (TD), the most common lethal skeletal dysplasia, is a de novo genetic disease caused by a mutation in the fibroblast growth factor receptor 3 (FGFR3) gene. "Thanatophoric" means "dead bearing" in Greek. Because FGFR3 is the main modulator of bone maturation, typical features of TD include short extremities, curved femur, clover-leaf skull, small narrow chest, and platyspondyly. TD can be classified into two subgroups according to the morphologic findings, with prominent curved femur suggesting type I TD (TD 1) and with marked clover-leaf skull and relatively straight long bones, favoring type II TD (TD 2)...
February 27, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28239036/short-term-subcutaneous-fondaparinux-and-oral-edoxaban-for-acute-venous-thromboembolism
#19
Shinji Hisatake, Takayuki Kabuki, Shunsuke Kiuchi, Takashi Oka, Shintaro Dobashi, Takahiro Fujii, Yoshihiro Iwasaki, Takanori Ikeda
BACKGROUND: No studies have compared treatment efficacy between subcutaneous (SC) fondaparinux and oral edoxaban, which are categorized as factor Xa inhibitors, for venous thromboembolism (VTE) in the acute phase, and only a limited number of imaging-based quantitative studies have evaluated treatment.Methods and Results:In this open-label, randomized study, 50 patients with acute non-massive pulmonary embolism (PE) and/or deep-vein thrombosis (DVT) were assigned to fondaparinux or edoxaban groups...
February 25, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28215134/drainage-of-pleural-effusion-improves-diaphragmatic-function-in-mechanically-ventilated-patients
#20
Michele Umbrello, Giovanni Mistraletti, Andrea Galimberti, Ilaria R Piva, Ottavia Cozzi, Paolo Formenti
BACKGROUND: Pleural effusion adversely affects the pressuregenerating capacity of the diaphragm. It uncouples the lung and chest wall, which may result in diaphragmatic dysfunction. Information on the effects of effusion drainage on diaphragmatic function is limited, but several studies report relief of dyspnoea after drainage, which was attributed to improved diaphragmatic mechanics, even if this issue was never formally addressed. OBJECTIVE: To investigate the effect of drainage of unilateral pleural effusion on diaphragmatic function...
March 2017: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
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