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Eosinophilic pneumonia

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https://www.readbyqxmd.com/read/29775809/transient-asymptomatic-pulmonary-opacities-during-osimertinib-treatment-and-its-clinical-implication
#1
Hansang Lee, Ho Yun Lee, Jong-Mu Sun, Se-Hoon Lee, Youjin Kim, Song Ee Park, Jin Seok Ahn, Keunchil Park, Myung-Ju Ahn
INTRODUCTION: Osimertinib is an oral, potent, irreversible 3rd generation EGFR tyrosine kinase inhibitor (TKI) approved for the treatment of T790M positive non-small cell lung cancer (NSCLC) patients who failed 1st or 2nd generation EGFR TKIs. Interstitial lung disease (ILD) is a rare complication with osimertinib, occurring in 1-3%. Recently, relatively high incidence of transient asymptomatic pulmonary opacities (TAPOs) which are different from ILD has been described. However, its clinical implication has not been fully determined yet...
May 15, 2018: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29773665/hypersensitivity-pneumonitis-and-acute-respiratory-distress-syndrome-from-e-cigarette-use
#2
Casey G Sommerfeld, Daniel J Weiner, Andrew Nowalk, Allyson Larkin
Electronic cigarette (e-cigarette) use, or "vaping," is gaining widespread popularity as an alternative to conventional cigarettes among adolescents. Little is known of the health risks of e-cigarette use, especially in children and adolescents. We present a Case Report of a previously healthy 18-year-old woman who presented with dyspnea, cough, and pleuritic chest pain after e-cigarette use. She developed respiratory failure with hypoxia and was intubated, and ultimately met diagnostic criteria for acute respiratory distress syndrome...
May 17, 2018: Pediatrics
https://www.readbyqxmd.com/read/29735492/asthmatic-adult-with-marked-blood-eosinophilia-is-it-truly-asthma
#3
Shera Tan, Angela Takano, Aloysius Ho, Keng Leong Tan
A middle-aged woman presented with symptoms suggestive of allergic asthma but with markedly elevated peripheral eosinophilia. She did not respond to inhaled corticosteroids, thereby prompting further investigations. Chest radiograph was normal. CT of the chest revealed bi-apical ground glass opacities. Bronchoalveolar lavage revealed predominantly eosinophilic yield. Autoimmune screen was negative. Bone marrow biopsy showed a normocellular marrow with increased eosinophils. A diagnosis of chronic eosinophilic pneumonia (CEP) was made after exclusion of other causes of eosinophilia...
May 7, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29735405/eosinophilic-pneumonias
#4
REVIEW
James Allen, Michael Wert
The eosinophilic pneumonias are a heterogeneous group of diseases characterized by an increase in eosinophils in lung tissue or bronchoalveolar lavage fluid. Many, but not all, of the eosinophilic pneumonias are also associated with a peripheral blood eosinophilia. The etiologies of eosinophilic lung disease are wide ranging and include parasitic infections, medications or other toxins, autoimmune and inflammatory disease, and malignancies. Some eosinophilic pneumonias have no proven cause or inciting event and are classified as idiopathic...
May 4, 2018: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29724306/-clinical-analysis-of-40-patients-with-eosinophilic-lung-diseases-in-peking-union-medical-college-hospital
#5
Xu Dong Zhang, Hai Hong Gong, Jin Ming Gao
Objective To summarize the clinical features of eosinophilic lung diseases(ELD). Methods We retrospectively analyzed the clinical manifestations,laboratory findings,accessory examination results,and pathology of 40 patients who were diagnosed with ELD and hospitalized in Peking Union Medical College Hospital from January 2013 to December 2016.Results There were 19 males and 21 females,and the average age was(48.58±18.25) years.The diagnoses included allergic bronchopulmonary aspergillosis(n=20),eosinophilic granulomatosis with polyangiitis(also known as churg-strauss syndrome)(n=10),chronic eosinophilic pneumonia(n=8),parasitic infection(n=1),and drug-induced eosinophilic pneumonia(n=1)...
April 28, 2018: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29720004/pulmonary-adenocarcinoma-mimicking-desquamative-interstitial-pneumonia-report-of-2-cases-with-genetic-analysis
#6
Masashi Miyaoka, Kazuhito Hatanaka, Masayuki Iwazaki, Naoya Nakamura
We report 2 cases of pulmonary adenocarcinoma mimicking desquamative interstitial pneumonia (DIP) with genetic analysis occurring in a 74-year-old woman and a 76-year-old woman. In both cases, the tumor was mainly composed of discohesive tumor cells, which filled and floated in the alveolar space in a DIP-like pattern. The tumor cells had abnormally large round to oval nuclei with fine chromatin and relatively abundant eosinophilic cytoplasm lacking pigmentation. Immunohistochemically, tumor cells in both cases were positive for CK7, TTF-1, napsin A, E-cadherin, β-catenin, and PD-L1 (one case had high expression and the other had low expression), and negative for CK5/6, CK20, p40, and ALK...
May 1, 2018: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29709067/the-pathogenicity-of-il-33-on-steroid-resistant-eosinophilic-inflammation-via-the-activation-of-memory-type-st2-cd4-t-cells
#7
REVIEW
Kiyoshi Hirahara, Naoko Mato, Koichi Hagiwara, Toshinori Nakayama
The lungs are the primary organs of the respiratory system in many animals and have unique epithelial barrier systems to protect the host from continuous invasion of various harmful particles, such as viruses and bacteria. IL-33, a member of the IL-1 family of cytokines, is released from epithelial cells in the mucosal organs and drives the type 2 immune response by activating a number of immune cells in cases of helminth infection. However, IL-33 derived from epithelial cells also causes various allergic diseases via the activation of ST2-positive immune cells, including memory-type (CD62Llow CD44hi ) ST2+ CD4+ T cells in the lung...
April 30, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29696083/health-care-resource-utilization-and-characteristics-of-patients-with-eosinophilic-asthma-in-secondary-health-care-in-finland
#8
Mika J Mäkelä, Helene Nordahl Christensen, Antti Karlsson, Sarang Rastogi, Kirsi Kettunen
Background : Eosinophilic airway inflammation is common in asthma patients and appears to be associated with severe exacerbations and loss of asthma control. Objective : To describe the resource utilization and clinical characteristics of patients with eosinophilic asthma. Design : Asthma patients ≥18 years with ≥1 blood eosinophil count in secondary care (South West Finland) during 2003‒2013 were included. Clinical characteristics (age, lung function, body mass index, and comorbidities) and asthma-related resource utilization (hospital admissions, outpatient visits, and emergency room [ER] visits) were retrieved...
2018: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29673334/full-blood-count-values-as-a-predictor-of-poor-outcome-of-pneumonia-among-hiv-infected-patients
#9
S Camon, C Quiros, N Saubi, A Moreno, M A Marcos, Y Eto, S Rofael, E Monclus, J Brown, T D McHugh, J Mallolas, R Perello
BACKGROUND: To evaluate the predictive value of analytical markers of full blood count that can be assessed in the emergency department for HIV infected patients, with community-acquired pneumonia (CAP). METHODS: Prospective 3-year study including all HIV-infected patients that went to our emergency department with respiratory clinical infection, more than 24-h earlier they were diagnosed with CAP and required admission. We assessed the different values of the first blood count performed on the patient as follows; total white blood cells (WBC), neutrophils, lymphocytes (LYM), basophils, eosinophils (EOS), red blood cells (RBC), hemoglobin, hematocrit, mean corpuscular volume, mean corpuscular hemoglobin concentration, mean corpuscular hemoglobin, red blood cell distribution width (RDW), platelets (PLT), mean platelet volume, and platelet distribution width (PDW)...
April 19, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29650563/blood-eosinophil-count-and-risk-of-pneumonia-hospitalisations-in-individuals-with-copd
#10
Signe Vedel-Krogh, Børge G Nordestgaard, Peter Lange, Jørgen Vestbo, Sune F Nielsen
Introduction: Blood eosinophil count in COPD is associated with higher exacerbation rate and favorable response to corticosteroids; however, frequent exacerbations and use of inhaled corticosteroids could also elevate pneumonia risk. We tested the hypothesis that high blood eosinophil counts are associated with high risk of pneumonia in individuals with severe COPD from the general population. Methods: We included 7,180 individuals with COPD, including 643 with FEV1 <50% of the predicted value from the Copenhagen General Population Study, from 2003-2011...
April 12, 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29607784/sertraline-induced-acute-eosinophilic-pneumonia
#11
Mayssan Muftah, Rama Nassri, Ammar Nassri, Paul Harford
Acute Eosinophilic Pneumonia (AEP) is a rare, potentially fatal disease often characterized by a short febrile illness, hypoxemic respiratory failure, diffuse pulmonary opacities and evidence of pulmonary eosinophilia. AEP can be idiopathic, but has documented associations with multiple drugs. We present the first case highlighting Sertraline specifically as a cause of drug-induced AEP in the English literature.
April 2, 2018: Current Drug Safety
https://www.readbyqxmd.com/read/29605194/acute-eosinophilic-pneumonia-in-the-deployed-military-setting
#12
Christy R Sine, Paul D Hiles, Stephanie L Scoville, Ralph L Haynes, Patrick F Allan, Teri J Franks, Michael J Morris, Erik C Osborn
RATIONALE: Acute eosinophilic pneumonia (AEP) is a rare but important cause of severe respiratory failure most typically caused by cigarette smoking, but can also be caused by medications, illicit drugs, infections and environmental exposures. There is growing evidence that disease severity varies and not all patients require mechanical ventilation or even supplemental oxygen. OBJECTIVES: To compare patients with AEP treated at Landstuhl Regional Medical Center (LRMC) to those in other published series, and to provide recommendations regarding diagnosis and treatment of AEP...
April 2018: Respiratory Medicine
https://www.readbyqxmd.com/read/29526046/transbronchial-lung-biopsy-for-the-diagnosis-of-igg4-related-lung-disease
#13
Kyoko Otani, Dai Inoue, Tomoo Itoh, Yoh Zen
AIMS: The diagnosis of IgG4-related disease (IgG4-RD) requires a multidisciplinary approach, in which histology plays an important role. Although a diagnosis was previously established by the use of surgically resected specimens, there is increasing clinical demand to diagnose this systemic condition by the use of biopsies. The aim of the present study was to elucidate how useful transbronchial lung biopsies (TBLBs) are for this diagnostic purpose. METHODS AND RESULTS: The study cohort consisted of 20 consecutive patients diagnosed with IgG4-RD in other organs who underwent TBLB for potential pulmonary involvement...
March 11, 2018: Histopathology
https://www.readbyqxmd.com/read/29490419/inflammatory-myofibroblastic-tumor-of-the-lung
#14
Akshay Khatri, Abhinav Agrawal, Rutuja R Sikachi, Dhruv Mehta, Sonu Sahni, Nikhil Meena
Inflammatory myofibroblastic tumors (IMT) of the lung, first reported in 1939, are considered a subset of inflammatory pseudo -tumors. They are a distinctive lesions composed of myofibroblastic spindle cells accompanied by an inflammatory infiltrate of plasma cells, lymphocytes, and eosinophils. IMTs may be benign, invade surrounding structures, undergo malignant transformation, recur or may even metastasize. They can occur due to a genetic mutation or can occur secondary to infectious or autoimmune diseases...
2018: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/29487790/a-case-of-cocaine-induced-eosinophilic-pneumonia-case-report-and-review-of-the-literature
#15
Felix Reyes, Vytas Vaitkus, Mohammad Al-Ajam
Cocaine is a commonly abused recreational drug in the United States. An adult man developed non-specific pleuritic chest pain, pharyngitis and odynophagia after inhaling cocaine. Initial laboratory results revealed eosinophilia. Bronchoalveolar lavage also showed eosinophilia in the lavage fluid. These findings suggested the diagnosis of eosinophilic pneumonia. Chest imaging revealed scattered bilateral opacities and interstitial infiltrates. After initiation of systemic corticosteroids, the patient reported symptomatic resolution and radiographic clearance was achieved at 2 months follow up...
2018: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/29428092/detection-of-specific-bacterial-agents-by-quantitative-pcr-assays-in-the-bronchoalveolar-lavage-fluid-of-dogs-with-eosinophilic-bronchopneumopathy-vs-dogs-with-chronic-bronchitis-and-healthy-dogs
#16
A M Canonne, I Peters, E Roels, L Desquilbet, C Clercx
In humans, Mycoplasma pneumoniae and Bordetella pertussis infections are suggested to trigger or exacerbate asthma. Whether Mycoplasma or Bordetella are associated with chronic inflammatory bronchial diseases in dogs has not been investigated. The aim of this study was to assess detection rates of Mycoplasma canis (M. canis), M. cynos and Bordetella bronchiseptica (Bb), in dogs with eosinophilic bronchopneumopathy (EBP) and chronic bronchitis (CB), compared with healthy dogs. Specific quantitative PCR (qPCR) analysis for M...
February 2018: Veterinary Journal
https://www.readbyqxmd.com/read/29427710/pathophysiology-of-peste-des-petits-ruminants-in-sheep-dorper-kajli-and-goats-boer-beetal
#17
Ahrar Khan, M Kashif Saleemi, Farah Ali, Muhammad Abubakar, Riaz Hussain, Rao Zahid Abbas, Imtiaz Ahmad Khan
Peste des petits ruminants (PPR), an economically important viral transboundary disease of small ruminants is not only prevalent in Pakistan but also in other countries where people rely on agriculture and animal products. The present study was aimed at describing the pathology and antigen localization in natural PPR infections in local (Kajli sheep; Beetal goats) as well as imported small ruminant breeds (Dorper sheep; Australian Boer goat). Morbidity and mortality rates were significantly (P < 0.001) higher in indigenous Kajli sheep (75...
April 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29411725/vascular-endothelial-growth-factor-in-pleural-effusions-and-correlation-with-radiologic-and-biochemical-parameters
#18
N Bayram, Y Karakan, M Uyar, B Ozyurt, A Filiz
INTRODUCTION: Pleural effusion is a common clinical problem with management difficulties. The aim of this study is to evaluate vascular endothelial growth factor (VEGF) in differential diagnosis of pleural effusions and the presence of correlation between radiological features and biochemical properties. MATERIALS AND METHODS: The study included patients with pleural effusion. VEGF levels in the pleural fluid were measured by enzyme-linked immunosorbent assay. RESULTS: A total of 97 patients who had exudative pleural effusion related to lung cancer (n = 17), nonpulmonary malignancies (n = 25), mesothelioma (n = 9), pneumonia (n = 14), tuberculosis (n = 8), miscellaneous causes (n = 6), and transudative effusion (n = 18) were included...
January 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29403271/role-of-eosinophils-in-airway-inflammation-of-chronic-obstructive-pulmonary-disease
#19
REVIEW
Donald P Tashkin, Michael E Wechsler
COPD is a significant cause of morbidity and mortality. In some patients with COPD, eosinophils contribute to inflammation that promotes airway obstruction; approximately a third of stable COPD patients have evidence of eosinophilic inflammation. Although the eosinophil threshold associated with clinical relevance in patients with COPD is currently subject to debate, eosinophil counts hold potential as biomarkers to guide therapy. In particular, eosinophil counts may be useful in assessing which patients may benefit from inhaled corticosteroid therapy, particularly regarding exacerbation prevention...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29395966/long-term-management-and-persistent-impairment-of-pulmonary-function-in-chronic-eosinophilic-pneumonia-a-review-of-the-previous-literature
#20
REVIEW
Yuzo Suzuki, Takafumi Suda
Chronic eosinophilic pneumonia (CEP) is an inflammatory disease characterized by accumulations of eosinophils in the lung with unknown etiology. Although corticosteroid treatment dramatically resolves these inflammations, relapse is common during the course of the disease. Approximately 50% of patients with CEP experience relapse. Subsequent to persistent disease and repeated relapse, and in cases of combined severe asthma, some CEP patients are administered corticosteroids indefinitely. Similar to patients with severe asthma who are often steroid dependent, a number of CEP patients exhibit prolonged persistent impairment of pulmonary function...
January 23, 2018: Allergology International: Official Journal of the Japanese Society of Allergology
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