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Imaging of pneumonia

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https://www.readbyqxmd.com/read/29026864/gastroparesis-as-the-sole-presenting-feature-of-neuromyelitis-optica
#1
Ahmed Salahudeen, Tejal Mistry
A 33-year-old African-American woman recently diagnosed with severe idiopathic gastroparesis was readmitted for hypoxic respiratory failure secondary to aspiration pneumonia. A fiber-optic endoscopic evaluation of swallow study revealed severe pharyngeal dysphagia. Brain magnetic resonance imaging showed an ill-defined lesion in the posterior aspect of the medulla concerning for a demyelinating process. Serum neuromyelitis optica immunoglobulin G returned positive. Neuromyelitis optica treatment resulted in the patient's clinical improvement...
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/29026365/incidental-finding-of-bronchopulmonary-sequestration-in-a-64-year-old-female
#2
Pichapong Tunsupon, Ayesha Arshad, Sumit Patel, M Jeffery Mador
BACKGROUND: Bronchopulmonary sequestration is a congenital abnormality of the primitive foregut. In adults, the typical age at presentation is 20-25 years. CASE REPORT: A 64-year-old female was referred for evaluation of an 8 × 6-cm right lower lobe cystic lesion. Her medical history was significant for recurrent right lower lobe pneumonia requiring multiple hospitalizations. Her physical examination was significant for crackles at the right lung base. Computed tomography (CT) of the chest with contrast showed cystic changes with thickened septation of the medial segment of the right lower lobe lacking distinct visceral pleura and with arterial supply from the anomalous branch of the thoracic aorta arising near the celiac trunk...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/29021888/a-good-short-term-outcome-in-delayed-decompression-of-cauda-equina-syndrome-in-klebsiella-pneumoniae-spinal-epidural-abscess-a-case-report
#3
J Hanifah, J Joehaimey, M I Yusof
Spinal epidural abscess is a severe, generally pyogenic, infection of the epidural space of spinal cord or cauda equina. The swelling caused by the abscess leads to compression or vascular disruption of neurological structures that requires urgent surgical decompression to avoid significant permanent disability. We share a rare case of Klebsiella pneumoniae spinal epidural abscess secondary to haematogenous spread of previous lung infection that presented late at our centre with cauda equina syndrome that showed good short-term outcome in delayed decompression...
July 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28994016/cardiopulmonary-manifestations-of-collagen-vascular-diseases
#4
REVIEW
Hamza Jawad, Sebastian R McWilliams, Sanjeev Bhalla
PURPOSE OF REVIEW: The study aimed to illustrate the cardiopulmonary findings of the following collagen vascular diseases on cross-sectional imaging: rheumatoid arthritis, scleroderma (progressive systemic sclerosis), systemic lupus erythematosus, the inflammatory myopathies (polymyositis/dermatomyositis), and Sjögren's syndrome. RECENT FINDINGS: Although collagen vascular diseases can affect any part of the body, interstitial lung disease and pulmonary hypertension are the two most important cardiopulmonary complications and are responsible for the majority of morbidity and mortality in this patient population...
October 9, 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28992910/extreme-tetralogy-of-fallot-with-polycythemia-in-a-ferret-mustela-putorius-furo
#5
Sara Dias, Marta Planellas, Albert Canturri, Jaume Martorell
A 5-month-old, intact male ferret (Mustela putorius furo) was presented with apathy, tachypnea and exercise intolerance. On initial physical examination, tachypnea and cyanosis were the two primary clinical signs detected. The complete blood count also revealed a severe polycythemia, with lymphopenia, neutrophilia and eosinophilia. Further diagnostic imaging tests were performed. The thoracic radiographs revealed cardiomegaly and a diffuse alveolar pulmonary pattern. Consequently, an echocardiography was performed and showed an interventricular septal defect, pulmonic artery occlusion, overriding of the aorta and right ventricle hypertrophy...
June 2017: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/28990753/novel-electrophilic-scaffold-for-imaging-of-essential-penicillin-binding-proteins-in-streptococcus-pneumoniae
#6
Shabnam Sharifzadeh, Michael J Boersma, Ozden Kocaoglu, Alireza Shokri, Clayton L Brown, Joshua D Shirley, Malcolm E Winkler, Erin E Carlson
Peptidoglycan (PG) is a mesh-like heteropolymer made up of glycan chains crosslinked by short peptides and is the major scaffold of eubacterial cell walls, determining cell shape, size and chaining. This structure, which is required for growth and survival, is located outside of the cytoplasmic membrane of bacterial cells making it highly accessible to antibiotics. Penicillin-binding proteins (PBPs) are essential for construction of PG and perform transglycosylase activities to generate the glycan strands and transpeptidation to crosslink the appended peptides...
October 9, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28971000/successful-treatment-of-suspected-organizing-pneumonia-in-a-patient-without-typical-imaging-and-pathological-characteristic-a-case-report
#7
Liu Ailing, Xu Ning, Qu Tao, Li Aijun
INTRODUCTION: Organizing pneumonia (OP) is a clinicopathological entity characterized by granulation tissue plugs in the lumen of small airways, alveolar ducts, and alveoli. Diagnosis of OP needs the combination of clinical features, imaging and pathology. But it occurs often that there are no typical pathological features to support the diagnosis, which poses a challenge for clinicians' diagnosis and treatment. We diagnosed a case of OP without typical imaging and pathological characteristic and treated successfully...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28962001/rapid-detection-of-esbl-carbapenemases-mrsa-and-other-important-resistance-phenotypes-within-6-8%C3%A2-h-by-automated-disc-diffusion-antibiotic-susceptibility-testing
#8
Michael Hombach, Marion Jetter, Peter M Keller, Nicolas Blöchliger, Natalia Kolesnik-Goldmann, Erik C Böttger
Background: In principle, automated systems allow rapid reading of disc diffusion AST (rAST) within 6-8 h. Objectives: This study analysed whether rAST can discriminate resistance phenotypes such as ESBL, carbapenemases and MRSA/methicillin-resistant Staphylococcus epidermidis from WT populations. We describe species-drug combinations that may require clinical breakpoint adaptions for early reading due to zone diameter changes during the incubation period. Methods: In total, 1852 clinical strains [ Escherichia coli ( n  =   475), Klebsiella pneumoniae ( n  =   375), Enterobacter cloacae ( n  =   301), Staphylococcus aureus ( n  =   407) and S...
August 9, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28960643/serial-chest-ct-in-cryptogenic-organizing-pneumonia-evolutional-changes-and-prognostic-determinants
#9
Man P Chung, Bo D Nam, Kyung S Lee, Joungho Han, Jai S Park, Jung H Hwang, Min J Cha, Tae J Kim
BACKGROUND AND OBJECTIVE: Cryptogenic organizing pneumonia (COP) is corticosteroid responsive but residual computed tomography (CT) chest changes are often noted. The present study examined clinical and HRCT features of COP in which there was incomplete resolution. METHODS: We studied 93 patients with histopathologically confirmed COP and serial HRCT imaging. Clinical features were assessed, and serial CT images were analysed. Uni- and multivariate analyses were performed to determine clinical or imaging factors related to incomplete resolution on CT...
September 27, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28958067/an-intra-aortic-floating-metastatic-malignancy-of-unknown-primary-origin
#10
Yoshinori Kuroda, Tetsuro Uchida, Jun Hayashi, Mitsuaki Sadahiro
A 69-year-old man with sudden strong back pain was transported to our hospital by ambulance. The computed tomography scan revealed an intra-aortic floating mass with a stalk arising from the descending aortic wall, which was thought to be a thrombus. The floating mass displayed the characteristics of a thrombus rather than a neoplastic tumour on magnetic resonance imaging scan. Under extracorporeal circulation, the descending aorta was cut open, and the mass was resected. Subsequently, a stent graft was placed to cover the abnormal aortic intima to prevent recurrent thrombus formation...
August 29, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28957844/human-metapneumovirus-infection-pneumonia-risk-factors-in-solid-organ-transplantation-patients-and-ct-findings
#11
Hyun Jung Koo, Han Na Lee, Sang Ho Choi, Heungsup Sung, Sang Young Oh, So Youn Shin, Hwa Jung Kim, Kyung-Hyun Do
BACKGROUND: Human metapneumovirus (HMPV) is a newly detected pathogen which can cause lower respiratory tract disease. Clinical characteristics, computed tomography (CT) findings, and outcomes of HMPV pneumonia in solid organ transplantation (SOT) patients have not been well demonstrated. METHODS: Between January 2010 and February 2016, clinical and imaging findings of 59 patients receiving SOT (types of organ: 37 kidney, 16 liver, 4 heart and 2 pancreas and kidney) who had HMPV infection detected in nasopharyngeal or bronchoalveolar lavage by reverse transcription polymerase chain reaction were retrospectively evaluated...
September 27, 2017: Transplantation
https://www.readbyqxmd.com/read/28957390/quantitative-evaluation-of-interstitial-pneumonia-using-3d-curved-high-resolution-ct-imaging-parallel-to-the-chest-wall-a-pilot-study
#12
Hiroyasu Umakoshi, Shingo Iwano, Tsutomu Inoue, Yuanzhong Li, Shinji Naganawa
OBJECTIVES: To quantify the imaging findings of patients with interstitial pneumonia (IP) and emphysema using three-dimensional curved high-resolution computed tomography (3D-cHRCT) at a constant depth from the chest wall, and compare the results to visual assessment of IP and each patient's diffusing capacity of the lungs for carbon monoxide (DLco). METHODS: We retrospectively reviewed the axial CT findings and pulmonary function test results of 95 patients with lung cancer (72 men and 23 women, aged 45-84 years) with or without IP, as follows: non-IP (n = 47), mild IP (n = 31), and moderate IP (n = 17)...
2017: PloS One
https://www.readbyqxmd.com/read/28956095/imaging-findings-of-copa-syndrome-in-a-12-year-old-boy
#13
Razan Noorelahi, Geovany Perez, Hansel J Otero
Copa syndrome is a newly described autosomal dominant autoinflammatory disease that presents as pulmonary hemosiderosis and polyarticular arthritis. Twenty-one cases from five families have been reported to date. We present chest computed tomography (CT) and temporomandibular joint magnetic resonance (MR) findings of a 12-year-old boy presenting with dyspnea on exertion, fatigue and clubbing. Additional findings included a restrictive pattern of pulmonary involvement and positive inflammatory markers and autoantibodies...
September 28, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28955030/gradenigo-s-syndrome-in-a-patient-with-chronic-suppurative-otitis-media-petrous-apicitis-and-meningitis
#14
Nicholas Taklalsingh, Franco Falcone, Vinodkumar Velayudhan
BACKGROUND Gradenigo's syndrome includes the triad of suppurative otitis media, ipsilateral sixth (abducens) cranial nerve palsy and facial pain in the distribution of the fifth (trigeminal) cranial nerve. Gradenigo's syndrome is rare, and the diagnosis is easily overlooked. This case is the first to report Gradenigo's syndrome presenting with meningitis on a background of chronic suppurative otitis media (CSOM) and petrous apicitis (apical petrositis). CASE REPORT A 58-year-old male African American presented with headaches and confusion...
September 28, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28954766/recent-lessons-learned-in-the-management-of-acute-exacerbation-of-idiopathic-pulmonary-fibrosis
#15
Yasuhiro Kondoh, Vincent Cottin, Kevin K Brown
Recognising recent advances, the definition and diagnostic criteria for acute exacerbation of idiopathic pulmonary fibrosis (AE-IPF) have been updated by an international working group. The new definition describes any acute, clinically significant respiratory deterioration (both idiopathic and triggered events) characterised by evidence of new widespread alveolar abnormality. The new criteria require a previous or concurrent diagnosis of IPF, an acute worsening or development of dyspnoea typically less than 1 month in duration, chest imaging evidence on computed tomography (CT) of new bilateral ground-glass opacity and/or consolidation superimposed on a background imaging pattern of usual interstitial pneumonia not fully explained by cardiac failure or fluid overload...
September 30, 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/28953671/castleman-disease-associated-diffuse-parenchymal-lung-disease-a-strobe-compliant-retrospective-observational-analysis-of-22-cases-in-a-tertiary-chinese-hospital
#16
Hui Huang, Ruie Feng, Jian Li, Xinyu Song, Shan Li, Kai Xu, Jian Cao, Lu Zhang, Yalan Bi, Zuojun Xu
Intrathoracic involvement is common in Castleman disease (CD), but CD-associated diffuse parenchymal lung disease (DPLD) is rare and not well-reported.We conducted a retrospective analysis of 262 CD patients with a definite pathological diagnosis who were hospitalized between 1999 and 2015.Twenty-two CD patients had DPLD based on chest computed tomography (CT) scans. Among them, 9 were male and 13 were female, with a mean age of 45.3 years. Coughing (72.7%), fever (68.2%), and dyspnea (59.1%) were the common clinical manifestations...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28943051/a-case-of-adult-congenital-laryngeal-cleft-asymptomatic-until-hypopharynx-cancer-treatment
#17
Kotaro Shimizu, Atsuhiko Uno, Kazuya Takemura, Naoki Ashida, Ryohei Oya, Takahiro Kitamura, Yukinori Takenaka, Yoshifumi Yamamoto
Laryngeal cleft is an anomaly of failed posterior closure of the larynx. Most cases are diagnosed and need treatment early in life due to respiratory and swallowing problems. We report an unusual case of a 66-year-old man with an asymptomatic laryngeal cleft until treatment for hypopharyngeal cancer. During concurrent chemoradiotherapy (CCRT), despite reduced tumor volume, he presented severe dysphagia and dyspnea, followed by severe pneumonia twice. Because CCRT had to be discontinued, a pharyngolaryngectomy was performed for the cancer treatment...
September 21, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28941558/emergency-medicine-evaluation-of-community-acquired-pneumonia-history-examination-imaging-and-laboratory-assessment-and-risk-scores
#18
Brit Long, Drew Long, Alex Koyfman
BACKGROUND: Pneumonia is a common infection, accounting for approximately one million hospitalizations in the United States annually. This potentially life-threatening disease is commonly diagnosed based on history, physical examination, and chest radiograph. OBJECTIVE: To investigate emergency medicine evaluation of community-acquired pneumonia including history, physical examination, imaging, and the use of risk scores in patient assessment. DISCUSSION: Pneumonia is the number one cause of death from infectious disease...
September 20, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28929964/-investigation-of-bacterial-and-viral-etiology-in-community-acquired-central-nervous-system-infections-with-molecular-methods
#19
Hasip Kahraman, Alper Tünger, Şebnem Şenol, Hörü Gazi, Meltem Avcı, Bahar Örmen, Nesrin Türker, Sabri Atalay, Şükran Köse, Sercan Ulusoy, Meltem Işıkgöz Taşbakan, Oğuz Reşat Sipahi, Tansu Yamazhan, Zeynep Gülay, Sema Alp Çavuş, Hüsnü Pullukçu
In this multicenter prospective cohort study, it was aimed to evaluate the bacterial and viral etiology in community-acquired central nervous system infections by standart bacteriological culture and multiplex polymerase chain reaction (PCR) methods. Patients hospitalized with central nervous system infections between April 2012 and February 2014 were enrolled in the study. Demographic and clinical information of the patients were collected prospectively. Cerebrospinal fluid (CSF) samples of the patients were examined by standart bacteriological culture methods, bacterial multiplex PCR (Seeplex meningitis-B ACE Detection (Streptococcus pneumoniae, Neisseria meningitidis, Haemophilus influenzae, Listeria monocytogenes, Group B streptococci) and viral multiplex PCR (Seeplex meningitis-V1 ACE Detection kits herpes simplex virus-1 (HSV1), herpes simplex virus-2 (HSV2), varicella zoster virus (VZV), cytomegalovirus (CMV), Epstein Barr virus (EBV) and human herpes virus 6 (HHV6)) (Seeplex meningitis-V2 ACE Detection kit (enteroviruses))...
July 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28917584/pneumatoceles-in-pediatric-blunt-trauma-common-and-benign
#20
Lindsey B Armstrong, David P Mooney
INTRODUCTION: Traumatic pneumatoceles are reported to be rare in children and to have an uncertain clinical significance. We report a single institution series of traumatic pneumatoceles to better define their frequency and clinical significance. METHODS: After obtaining approval from the IRB, data were extracted from the trauma registry of a level 1 pediatric trauma center on children diagnosed with a pulmonary contusion (International Classification of Diseases-9th edition diagnosis codes: 861...
August 7, 2017: Journal of Pediatric Surgery
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