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Imaging of pneumonia

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https://www.readbyqxmd.com/read/28101187/severe-pneumonia-due-to-infection-with-candida-krusei-in-a-case-of-suspected-middle-east-respiratory-syndrome-a-case-report-and-literature-review
#1
Mingming Tan, Junwei Wang, Peiyang Hu, Bin Wang, Wanghua Xu, Jiao Chen
Candida krusei (C. krusei) pneumonia is a rare infection that is frequently associated with a poor outcome. The present study reports an unusual case of C. krusei pneumonia that was initially suspected to be a Middle East respiratory syndrome (MERS) case. A 64-year-old Saudi Arabian male patient was admitted to our hospital with complaints of cough and dyspnea that persisted for 6 days. The patient presented fever (oral temperature, 38.5°C) and slight tachypnea (25 respirations/min). A chest computerized tomography demonstrated unclear lung fields, diffuse pathological changes in the two lungs and multiple lymphadenectasis in the retrocaval and para-aortic arch area...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28100279/severe-community-acquired-adenovirus-pneumonia-treated-with-oral-ribavirin-a-case-report
#2
Byung Woo Yoon, Yong Geon Song, Seung Hyeun Lee
BACKGROUND: Adenovirus is a common pathogen of acute upper respiratory infection in children and is generally self-limiting. Severe adenovirus infections have been reported in immunocompromised hosts especially bone marrow transplantation recipients due to hematologic malignancy. Severe adenovirus pneumonia in immunocompetent hosts has rarely been reported and optimal treatment has not been established. We report a case of community-acquired severe adenovirus pneumonia which was successfully treated with early administration of oral ribavirin...
January 18, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28094160/a-case-of-generalized-lymphatic-anomaly-causing-skull-base-leakage-and-bacterial-meningitis
#3
Kenichi Suga, Aya Goji, Miki Inoue, Masami Kawahito, Masako Taki, Kazuhiro Mori
Generalized lymphatic anomaly is a multifocal lymphatic malformation that affects the skin, thoracic viscera, and bones. A 3year-old Japanese boy presented with right facial palsy due to cystic tumors in the ipsilateral petrous bone. Pericardial effusion had been found incidentally and generalized lymphatic anomaly had been diagnosed by pericardial biopsy. Petrous bone tumor had been followed up without surgery. At the age of seven he presented with fever and disturbance of consciousness, and bacterial meningitis due to Streptococcus pneumoniae was diagnosed...
January 13, 2017: Brain & Development
https://www.readbyqxmd.com/read/28091700/computed-tomography-localization-of-the-appendix-in-the-pediatric-population-relative-to-the-lumbar-spine
#4
John Davis, Albert T Roh, Matthew B Petterson, Tammy R Kopelman, Samantha L Matz, Daniel G Gridley, Mary J Connell
BACKGROUND: Computed tomography (CT) is commonly used to evaluate suspected acute appendicitis. Although very effective, CT uses ionizing radiation, exposing patients to an increased risk of cancer. OBJECTIVE: This study assessed the potential for decreasing the field of view of the CT (and therefore the dose to the patient) in the evaluation of suspected acute appendicitis in children. MATERIALS AND METHODS: This study was a retrospective review of prospectively collected data from 212 consecutive patients who underwent CT for suspected acute appendicitis...
January 14, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28079960/successful-medical-management-of-a-domestic-longhair-cat-with-subdural-intracranial-empyema-and-multifocal-pneumonia
#5
Thomas J A Cardy, Richard Lam, Laureen M Peters, Philippa J McLaren, Màrian Matas Riera, Steven De Decker
OBJECTIVE: To describe a case of successful medical management of subdural intracranial empyema and multifocal pneumonia in a domestic longhaired cat. CASE SUMMARY: A 7-year-and-8-month-old male neutered domestic longhair cat presented with tachypnea, respiratory compromise, vestibular ataxia, obtundation, left-sided head tilt, and multiple cranial nerve deficits. Neuroanatomical localization was multifocal with central vestibular involvement. Magnetic resonance imaging of the head indicated diffuse subdural empyema, mainly affecting the middle cranial fossa and the right cerebrum...
January 12, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28076684/radiographic-differentiation-of-advanced-fibrocystic-lung-diseases
#6
Masanori Akira
The concept of end-stage lung disease suggests a final common pathway for most diffuse parenchymal lung diseases. In accordance with this concept, end-stage disease is characterized radiographically and pathologically by the presence of extensive honeycombing. However, sequential computed tomographic (CT) scans obtained from patients with chronic diffuse lung disease evolve over time to show various advanced lung disease patterns other than honeycombing. Also, several radiographically distinct honeycomb patterns, including microcystic, macrocystic, mixed, and combined emphysema and honeycombing differentiate one advanced lung disease from another...
January 11, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28070050/-clinical-comparative-analysis-for-pulmonary-histoplasmosis-and-progressive-disseminated-histoplasmosis
#7
Yan Zhang, Xiaoli Su, Yuanyuan Li, Ruoxi He, Chengping Hu, Pinhua Pan
To compare clinical features, diagnosis and therapeutic effect between pulmonary histoplasmosis and progressive disseminated histoplasmosis.
 Methods: A retrospective analysis for 12 cases of hospitalized patients with histoplasmosis, who was admitted in Xiangya Hospital, Central South University during the time from February 2009 to October 2015, was carried out. Four cases of pulmonary histoplasmosis and 8 cases of progressive disseminated histoplasmosis were included. The differences of clinical features, imaging tests, means for diagnosis and prognosis were analyzed between the two types of histoplasmosis...
December 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28068928/newly-recognized-cerebral-infarctions-on-postmortem-imaging-a-report-of-three-cases-with-systemic-infectious-disease
#8
Sakon Noriki, Kazuyuki Kinoshita, Kunihiro Inai, Toyohiko Sakai, Hirohiko Kimura, Takahiro Yamauchi, Masayuki Iwano, Hironobu Naiki
BACKGROUND: Postmortem imaging (PMI) refers to the imaging of cadavers by computed tomography (CT) and/or magnetic resonance imaging (MRI). Three cases of cerebral infarctions that were not found during life but were newly recognized on PMI and were associated with severe systemic infections are presented. CASE PRESENTATIONS: An 81-year-old woman with a pacemaker and slightly impaired liver function presented with fever. Imaging suggested interstitial pneumonia and an iliopsoas abscess, and blood tests showed liver dysfunction and disseminated intravascular coagulation (DIC)...
January 10, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28066670/image-guided-thoracoscopic-surgery-with-dye-localization-in-a-hybrid-operating-room
#9
Shun-Mao Yang, Wei-Chun Ko, Mong-Wei Lin, Hsao-Hsun Hsu, Chih-Yang Chan, I-Hui Wu, Yeun-Chung Chang, Jin-Shing Chen
BACKGROUND: The rate of detection of small pulmonary nodules (SPNs) has increased. Thoracoscopic resection following image-guided localization had been a reliable alternative in their treatment. We present our experience with image-guided dye localization using robotic C-arm computed tomography (CT) followed by immediate video-assisted thoracoscopic surgery (VATS) for SPNs in a hybrid operating room (OR). METHODS: From July 2015 to July 2016, 25 consecutive patients with SPNs smaller than 2 cm underwent robotic C-arm CT-guided blue dye tattooing followed by immediate VATS in a hybrid OR...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28062701/widespread-virus-replication-in-alveoli-drives-acute-respiratory-distress-syndrome-in-aerosolized-h5n1-influenza-infection-of-macaques
#10
Elizabeth R Wonderlich, Zachary D Swan, Stephanie J Bissel, Amy L Hartman, Jonathan P Carney, Katherine J O'Malley, Adebimpe O Obadan, Jefferson Santos, Reagan Walker, Timothy J Sturgeon, Lonnie J Frye, Pauline Maiello, Charles A Scanga, Jennifer D Bowling, Anthea L Bouwer, Parichat A Duangkhae, Clayton A Wiley, JoAnne L Flynn, Jieru Wang, Kelly S Cole, Daniel R Perez, Douglas S Reed, Simon M Barratt-Boyes
Human infections with highly pathogenic avian influenza A (H5N1) virus are frequently fatal but the mechanisms of disease remain ill-defined. H5N1 infection is associated with intense production of proinflammatory cytokines, but whether this cytokine storm is the main cause of fatality or is a consequence of extensive virus replication that itself drives disease remains controversial. Conventional intratracheal inoculation of a liquid suspension of H5N1 influenza virus in nonhuman primates likely results in efficient clearance of virus within the upper respiratory tract and rarely produces severe disease...
January 6, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28058476/-pneumonia-in-immunosuppressed-patients
#11
O Solyanik, T Gaass, K Hellbach, J Dinkel
CLINICAL/METHODICAL ISSUE: Pulmonary infections are a common complication in immunosuppressed patients with a frequently fatal prognosis despite modern prophylactic therapy. An early and correct diagnosis is important for initiation of the appropriate therapy. STANDARD RADIOLOGICAL METHODS: Chest radiography is the preferred initial imaging examination but is not accurate enough for the detection of pulmonary infections in immunosuppressed patients. METHODICAL INNOVATIONS: Pneumonia is caused by a broad spectrum of pathogens in immunocompromised patients...
January 2017: Der Radiologe
https://www.readbyqxmd.com/read/28054136/-role-of-imaging-procedures-in-clarification-of-complications-of-pneumonia
#12
K Lampichler
CLINICAL ISSUE: Despite a considerable number of antimicrobial agents and interdisciplinary treatment options, lower respiratory tract infections are still associated with high morbidity and mortality rates. Infections of the respiratory tract can lead to severe complications, such as empyema, lung abscesses and acute respiratory distress syndrome (ARDS). Besides intrapulmonary complications pneumonia can also impair other organs due to a systemic inflammatory response. Underlying cardiovascular diseases, such as chronic heart failure, arteriosclerosis and dysrhythmia can either deteriorate due to infections or be newly manifested as a result of pneumonia...
January 2017: Der Radiologe
https://www.readbyqxmd.com/read/28054135/-community-acquired-pneumonia
#13
S Poetter-Lang, C J Herold
CLINICAL ISSUE: The diagnosis of community-acquired pneumonia (CAP) is often not possible based only on the clinical symptoms and biochemical parameters. STANDARD RADIOLOGICAL METHODS: For every patient with the suspicion of CAP, a chest radiograph in two planes should be carried out. Additionally, a risk stratification for the decision between outpatient therapy or hospitalization is recommended. METHODICAL INNOVATIONS: Based on the evaluation of the different radiological patterns as well as their extent and distribution, a rough allocation to so-called pathogen groups as well as a differentiation between viral and bacterial infections are possible; however, because different pathogens cause different patterns an accurate correlation is not feasible by relying purely on imaging...
January 2017: Der Radiologe
https://www.readbyqxmd.com/read/28051807/%C3%A2-graft-calcification-caused-by-a-torsion-of-the-hepatic-vein-after-a-living-related-donor-liver-transplantation
#14
Kuo-Shyang Jeng, Chun-Chieh Huang, Cheng-Kuan Lin, Chien-Chu Lin, Kuo-Hsin Chen
 The torsion of vessels after liver transplantation rarely occurs. Likewise, calcification of a liver graft has seldom been reported. This report details a case which had torsion of the left hepatic vein on the seventh day after living-related donor liver transplantation. The torsion was reduced soon after re-exploration; however, congestion with partial necrosis of the graft occurred. On the follow-up imaging studies, some resolution of necrosis and graft regeneration were found, yet geographic calcification of the liver graft appeared...
January 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28043993/safety-and-reproducibility-of-virtual-assisted-lung-mapping-a-multicentre-study-in-japan%C3%A2
#15
Masaaki Sato, Taiji Kuwata, Keiji Yamanashi, Atsushi Kitamura, Kenji Misawa, Kota Imashimizu, Masashi Kobayashi, Masaki Ikeda, Terumoto Koike, Shinji Kosaka, Ryuta Fukai, Yasuo Sekine, Noritaka Isowa, Shin Hirayama, Hiroaki Sakai, Fumiaki Watanabe, Kazuhiro Nagayama, Akihiro Aoyama, Hiroshi Date, Jun Nakajima
OBJECTIVES: Virtual-assisted lung mapping (VAL-MAP) is a preoperative bronchoscopic multispot dye-marking technique using virtual images. The purpose of this study was to evaluate the safety, efficacy and reproducibility of VAL-MAP among multiple centres. METHODS: Selection criteria included patients with pulmonary lesions anticipated to be difficult to identify at thoracoscopy and/or those undergoing sub-lobar lung resections requiring careful determination of resection margins...
January 2, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28029746/respiratory-manifestations-in-38-patients-with-alstr%C3%A3-m-syndrome
#16
Caroline Boerwinkle, Jan D Marshall, Joy Bryant, William A Gahl, Kenneth N Olivier, Meral Gunay-Aygun
OBJECTIVES: Alström syndrome (AS) is a rare, multi-system condition characterized by retinal degeneration, sensorineural hearing loss, obesity, insulin-resistant diabetes, hypertriglyceridemia, cardiomyopathy, hepatorenal disease, and recurrent respiratory infections. It belongs to a group of genetic disorders known as primary ciliopathies, which includes autosomal dominant and recessive polycystic kidney diseases, as well as Joubert and Bardet-Biedl syndromes. Prior studies have suggested phenotypic overlap between primary ciliopathies affecting the non-motile, sensory cilia, and primary ciliary dyskinesia (PCD), a motile ciliopathy characterized by respiratory tract disease...
December 28, 2016: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28029320/pulmonary-infiltrates-in-a-patient-with-advanced-melanoma
#17
Charles A Powell
The Oncology Grand Rounds series is designed to place original reports published in the Journal into clinical context. A case presentation is followed by a description of diagnostic and management challenges, a review of the relevant literature, and a summary of the authors' suggested management approaches. The goal of this series is to help readers better understand how to apply the results of key studies, including those published in Journal of Clinical Oncology, to patients seen in their own clinical practice...
December 28, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28024537/cmc-stabilized-nano-silver-synthesis-characterization-and-its-antibacterial-and-synergistic-effect-with-broad-spectrum-antibiotics
#18
P Prema, S Thangapandiyan, G Immanuel
In the present study silver nanoparticles were synthesized by reduction of AgNO3 using aqueous CMC solution, which acts as both reducing and capping agent. The formation of AgNO3 nanoparticles was observed visually by color change and these nanoparticles were characterized through UV-vis spectroscopy, FTIR, XRD, SEM, EDS and AFM. The FTIR peaks observed to be ranging from 3300 to 605cm(-1). The AFM image clearly showed the surface morphology of well dispersed nanoparticles. SEM image illustrates the nanoparticles with spherical shape...
February 20, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28018924/h1n1-induced-venous-thromboembolic-events-results-of-a-single-institution-case-series
#19
Evangelos Dimakakos, Dimitra Grapsa, Ioannis Vathiotis, Aggeliki Papaspiliou, Meropi Panagiotarakou, Emmanouil Manolis, Konstantinos Syrigos
We describe the clinical and imaging characteristics of 7 cases with polymerase chain reaction-confirmed novel influenza A H1N1 virus (pH1N1) infection who developed venous thromboembolic events (VTEs) while being hospitalized for influenza pneumonia. Pulmonary embolism (PE) without deep vein thrombosis (DVT) was observed in 6 of 7 cases (85.7%); PE with underlying DVT was found in 1 patient (14.3%).
October 2016: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28010768/green-production-of-microalgae-based-silver-chloride-nanoparticles-with-antimicrobial-activity-against-pathogenic-bacteria
#20
Veronica da Silva Ferreira, Mateus Eugenio ConzFerreira, Luís Maurício T R Lima, Susana Frasés, Wanderley de Souza, Celso Sant'Anna
Silver nanoparticles are powerful antimicrobial agents. Here, the synthesis of silver chloride nanoparticles (AgCl-NPs) was consistently evidenced from a commercially valuable microalgae species, Chlorella vulgaris. Incubation of C. vulgaris conditioned medium with AgNO3 resulted in a medium color change to yellow/brown (with UV-vis absorbance at 415nm), indicative of silver nanoparticle formation. Energy-dispersive X-ray spectroscopy (EDS) of purified nanoparticles confirmed the presence of both silver and chlorine atoms, and X-ray diffraction (XRD) showed the typical pattern of cubic crystalline AgCl-NPs...
February 2017: Enzyme and Microbial Technology
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