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https://www.readbyqxmd.com/read/28981359/dendriform-pulmonary-ossification-in-the-absence-of-usual-interstitial-pneumonia-ct-features-and-possible-association-with-recurrent-acid-aspiration
#1
James F Gruden, Daniel B Green, Alan C Legasto, Eric A Jensen, Prasad M Panse
OBJECTIVE: Dendriform pulmonary ossification (DPO) is a rare lung disease in which mature bone is present in the peripheral interstitium of the lung. It typically occurs in patients with usual interstitial pneumonia (UIP). We assessed patients with CT findings of DPO without UIP to determine possible causative factors and to assess the clinical and CT course. We hypothesized that DPO without UIP would be a unique entity. MATERIALS AND METHODS: We retrospectively reviewed CT reports for the word "ossification...
October 5, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28947036/possible-uip-pattern-on-high-resolution-computed-tomography-is-associated-with-better-survival-than-definite-uip-in-ipf-patients
#2
Margaret L Salisbury, Leslie B Tolle, Meng Xia, Susan Murray, Nabihah Tayob, Anoop M Nambiar, Shelley L Schmidt, Amir Lagstein, Jeffery L Myers, Barry H Gross, Ella A Kazerooni, Baskaran Sundaram, Aamer R Chughtai, Fernando J Martinez, Kevin R Flaherty
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a progressive fibrosing lung disease of unknown etiology. Inter-society consensus guidelines on IPF diagnosis and management outline radiologic patterns including definite usual interstitial pneumonia (UIP), possible UIP, and inconsistent with UIP. We evaluate these diagnostic categories as prognostic markers among patients with IPF. METHODS: Included subjects had biopsy-proven UIP, a multidisciplinary team diagnosis of IPF, and a baseline high-resolution computed tomography (HRCT)...
October 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28942884/overexpression-of-il-38-protein-in-anticancer-drug-induced-lung-injury-and-acute-exacerbation-of-idiopathic-pulmonary-fibrosis
#3
Masaki Tominaga, Masaki Okamoto, Tomotaka Kawayama, Masanobu Matsuoka, Shinjiro Kaieda, Yuki Sakazaki, Takashi Kinoshita, Daisuke Mori, Akira Inoue, Tomoaki Hoshino
BACKGROUND: Interleukin (IL)-38, a member of the IL-1 family, shows high homology to IL-1 receptor antagonist (IL-1Ra) and IL-36 receptor antagonist (IL-36Ra). Its function in interstitial lung disease (ILD) is still unknown. METHODS: To determine the expression pattern of IL-38 mRNA, a panel of cDNAs derived from various tissues was analyzed by quantitative real-time PCR. Immunohistochemical reactivity with anti-human IL-38 monoclonal antibody (clone H127C) was evaluated semi-quantitatively in lung tissue samples from 12 patients with idiopathic pulmonary fibrosis/usual interstitial pneumonia (IPF/UIP), 5 with acute exacerbation of IPF, and 10 with anticancer drug-induced ILD (bleomycin in 5 and epidermal growth factor receptor-tyrosine kinase inhibitor in 5)...
September 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/28893869/the-muc5b-promoter-polymorphism-is-associated-with-specific-interstitial-lung-abnormality-subtypes
#4
Rachel K Putman, Gunnar Gudmundsson, Tetsuro Araki, Mizuki Nishino, Sigurdur Sigurdsson, Elías F Gudmundsson, Gudny Eiríksdottír, Thor Aspelund, James C Ross, Raúl San José Estépar, Ezra R Miller, Yoshitake Yamada, Masahiro Yanagawa, Noriyuki Tomiyama, Lenore J Launer, Tamara B Harris, Souheil El-Chemaly, Benjamin A Raby, Michael H Cho, Ivan O Rosas, George R Washko, David A Schwartz, Edwin K Silverman, Vilmundur Gudnason, Hiroto Hatabu, Gary M Hunninghake
The MUC5B promoter polymorphism (rs35705950) has been associated with interstitial lung abnormalities (ILA) in white participants from the general population; whether these findings are replicated and influenced by the ILA subtype is not known. We evaluated the associations between the MUC5B genotype and ILA in cohorts with extensive imaging characterisation.We performed ILA phenotyping and MUC5B promoter genotyping in 5308 and 9292 participants from the AGES-Reykjavik and COPDGene cohorts, respectively.We found that ILA was present in 7% of participants from the AGES-Reykjavik, 8% of non-Hispanic white participants from COPDGene and 7% of African-American participants from COPDGene...
September 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28884381/development-of-a-computer-aided-differential-diagnosis-system-to-distinguish-between-usual-interstitial-pneumonia-and-non-specific-interstitial-pneumonia-using-texture-and-shape-based-hierarchical-classifiers-on-hrct-images
#5
SangHoon Jun, BeomHee Park, Joon Beom Seo, SangMin Lee, Namkug Kim
A computer-aided differential diagnosis (CADD) system that distinguishes between usual interstitial pneumonia (UIP) and non-specific interstitial pneumonia (NSIP) using high-resolution computed tomography (HRCT) images was developed, and its results compared against the decision of a radiologist. Six local interstitial lung disease patterns in the images were determined, and 900 typical regions of interest were marked by an experienced radiologist. A support vector machine classifier was used to train and label the regions of interest of the lung parenchyma based on the texture and shape characteristics...
September 7, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28872085/-manifestations-of-the-connective-tissue-associated-interstitial-lung-disease-under-high-resolution-computed-tomography
#6
Hailan Li, Zeng Xiong, Jinkang Liu, Yisha Li, Bin Zhou
To analyze the features of the connective tissue associated interstitial lung disease (CTD-ILD) by high resolution computed tomography (HRCT).
 Methods: A total of 127 patients with CTD-ILD, who were diagnosed by clinic laboratory examination and pathology in Xiangya Hospital of Central South University form September 2013 to September 2015, were enrolled for this study. Their lung features of HRCT imaging were retrospectively analyzed.
 Results: The classifications for 127 patients were as follows: 36 cases of rheumatoid arthritis (28...
August 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28852519/fatal-diffuse-alveolar-haemorrhage-mimicking-acute-exacerbation-in-idiopathic-pulmonary-fibrosis-treated-with-nintedanib
#7
Keishi Sugino, Yasuhiko Nakamura, Muneyuki Sekiya, Hiroshi Kobayashi, Kazutoshi Shibuya, Sakae Homma
A 75-year-old man was referred to our hospital with a 1-year history of persistent dry cough and progressive dyspnoea on exertion. He was treated with aspirin due to thrombosis of internal carotid artery. He was diagnosed with idiopathic pulmonary fibrosis (IPF)/usual interstitial pneumonia (UIP), and started on inhaled N-acetylcysteine therapy and pirfenidone. Since his clinical condition progressively deteriorated after 6 months, he was switched from pirfenidone to nintedanib. As a result, his general condition worsened rapidly...
November 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28838377/a-pilot-trial-of-nivolumab-treatment-for-advanced-non-small-cell-lung-cancer-patients-with-mild-idiopathic-interstitial-pneumonia
#8
Daichi Fujimoto, Takeshi Morimoto, Jiro Ito, Yuki Sato, Munehiro Ito, Shunsuke Teraoka, Kojiro Otsuka, Kazuma Nagata, Atsushi Nakagawa, Keisuke Tomii
INTRODUCTION: Nivolumab has demonstrated efficacy against metastatic non-small cell lung cancer (NSCLC). However, immune-related adverse events can occur, among which pneumonitis is relatively common. Lung cancer patients with idiopathic interstitial pneumonia (IIP) have a higher risk of pneumonitis associated with anticancer therapy. We hypothesized that the benefit of nivolumab may outweigh the risks of pneumonitis in patients with NSCLC who have mild IIP. We performed a pilot trial to evaluate the safety of nivolumab in NSCLC patients with mild IIP...
September 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28807021/serological-and-morphological-prognostic-factors-in-patients-with-interstitial-pneumonia-with-autoimmune-features
#9
Yuhei Ito, Machiko Arita, Shogo Kumagai, Reoto Takei, Maki Noyama, Fumiaki Tokioka, Keisuke Nishimura, Takashi Koyama, Kenji Notohara, Tadashi Ishida
BACKGROUND: To identify the prognostic factors for survival in patients with interstitial pneumonia with autoimmune features (IPAF) who meet the serological domain of the IPAF criteria. METHODS: We retrospectively analysed 99 IPAF patients who met the serological domain and were hospitalised at the Respiratory Medicine Unit of Kurashiki Central Hospital from 1999 to 2015. The high-resolution computed tomography findings were usual interstitial pneumonia (UIP; n = 1), non-specific interstitial pneumonia (NSIP; n = 63), NSIP with organizing pneumonia (OP) overlap (n = 15), and OP (n = 20)...
August 14, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28780989/idiopathic-pleuroparenchymal-fibroelastosis-ppfe-a-case-study-of-a-rare-entity
#10
E B Boerner, U Costabel, T E Wessendorf, D Theegarten, F Bonella
Idiopathic pleuroparenchymal fibroelastosis (IPPFE) was recognized as a rare new entity. We report the case of a 63 years old female suffering from progressive dyspnea and dry cough for three years. Two years before admission to our hospital, idiopathic pulmonary fibrosis (IPF) was diagnosed in another hospital and treatment with prednisolone and N-acetylcysteine (NAC) was commenced. At admission HRCT showed upper lobe dominant fibrosis and associated pleural thickening. Surgical biopsies were re-evaluated and revealed fibroelastosis with pleural thickening and a probable UIP pattern, consistent with idiopathic PPFE...
August 3, 2017: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/28765242/pulmonary-involvement-in-antineutrophil-cytoplasmic-antibodies-anca-associated-vasculitis-the-influence-of-anca-subtype
#11
Aladdin J Mohammad, Kristian H Mortensen, Judith Babar, Rona Smith, Rachel B Jones, Daiki Nakagomi, Pasupathy Sivasothy, David R W Jayne
OBJECTIVE: To describe pulmonary involvement at time of diagnosis in antineutrophil cytoplasmic antibodies (ANCA)-associated vasculitis (AAV), as defined by computed tomography (CT). METHODS: Patients with thoracic CT performed on or after the onset of AAV (n = 140; 75 women; granulomatosis with polyangiitis, n = 79; microscopic polyangiitis MPA, n = 61) followed at a tertiary referral center vasculitis clinic were studied. Radiological patterns of pulmonary involvement were evaluated from the CT studies using a predefined protocol, and compared to proteinase 3 (PR3)-ANCA and myeloperoxidase (MPO)-ANCA specificity...
October 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28732841/cobalt-related-interstitial-lung-disease
#12
REVIEW
Traci N Adams, Yasmeen M Butt, Kiran Batra, Craig S Glazer
Cobalt exposure in the hard metal and bonded diamond tool industry is a well-established cause of ILD. The primary theories regarding the underlying mechanism of cobalt related ILD include an immunologic mechanism and an oxidant injury mechanism. Cobalt related ILD may present in subacute and chronic forms and often has associated upper respiratory symptoms. The evaluation begins with a thorough occupational history and includes PFTs, HRCT, and bronchoalveolar lavage. HRCT findings are nonspecific and may resemble NSIP, UIP, sarcoidosis, or HP...
August 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28732824/a-clinicopathological-study-of-surgically-resected-lung-cancer-in-patients-with-usual-interstitial-pneumonia
#13
Yasutaka Watanabe, Yoshinori Kawabata, Nobuyuki Koyama, Tomohiko Ikeya, Eishin Hoshi, Noboru Takayanagi, Shinichiro Koyama
BACKGROUND: The clinicopathological characteristics of lung cancer with concomitant usual interstitial pneumonia (UIP) are insufficiently understood. This study aimed to elucidate a characteristic pathological feature of lung cancer that develops in patients with UIP, with a focus on the location of its onset. METHODS: We reviewed surgically obtained specimens, including 547 tumors from 526 patients who underwent lobectomy for lung cancer. Surveyed patients were classified into three groups: patients with UIP (UIP group), patients with lung pathology other than UIP (non-UIP group), and patients without any associated lung pathology (normal group)...
August 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28732823/correlation-of-pulmonary-function-and-usual-interstitial-pneumonia-computed-tomography-patterns-in-idiopathic-pulmonary-fibrosis
#14
Antonella Arcadu, Suzanne C Byrne, Pietro Pirina, Thomas E Hartman, Brian J Bartholmai, Teng Moua
BACKGROUND: Little is known about presenting 'inconsistent' or 'possible' usual interstitial pneumonia (UIP) computed tomography (CT) patterns advancing to 'consistent' UIP as disease progresses in idiopathic pulmonary fibrosis (IPF). We hypothesized that if 'consistent' UIP represented more advanced disease, such a pattern on presentation should also correlate with more severe pulmonary function test (PFT) abnormalities. MATERIAL AND METHODS: Consecutive IPF patients (2005-2013) diagnosed by international criteria with baseline PFT and CT were included...
August 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28687910/ct-findings-associated-with-survival-in-chronic-hypersensitivity-pneumonitis
#15
Jonathan H Chung, Steven M Montner, Ayodeji Adegunsoye, Justin M Oldham, Aliya N Husain, Rekha Vij, Imre Noth, Mary E Strek
OBJECTIVES: To identify CT findings in chronic hypersensitivity pneumonitis (cHP) associated with survival. MATERIAL AND METHODS: Two thoracic radiologists assessed CT scans for specific imaging findings and patterns in 132 subjects with cHP. Survival analyses were performed. RESULTS: The majority of subjects had an inconsistent with usual interstitial pneumonitis pattern on CT (55.3%,73/132). Hypersensitivity pneumonitis (HP) diagnosis on CT was less common in those with fibrosis (66...
July 7, 2017: European Radiology
https://www.readbyqxmd.com/read/28681814/resurgence-of-diphtheria-in-rural-areas-of-north-karnataka-india
#16
Mahantesh V Parande, Subarna Roy, B G Mantur, Aisha M Parande, Rupali S Shinde
BACKGROUND: A diphtheria outbreak was identified from Vijayapura (formerly Bijapur) district in the South Indian state of Karnataka in 2011. There was a surge in the number of throat swab samples received under the Integrated Disease Surveillance Programme (IDSP) in North Karnataka since then. OBJECTIVES: A microbiological study was undertaken to generate information on the status of resurgence of the disease in the region. MATERIALS AND METHODS: Throat swabs from 432 suspected cases of diphtheria during 2012-2015 were obtained from government hospitals and primary health centres of 8 districts in North Karnataka and were processed for the culture and identification of Corynebacterium diphtheriae...
April 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28673104/biopsy-in-idiopathic-pulmonary-fibrosis-back-to-the-future
#17
Giulio Rossi, Paolo Spagnolo
Idiopathic Pulmonary Fibrosis (IPF) is a relentlessly progressive, fibrosing interstitial pneumonia characterized by a radiologic and/or histologic pattern of usual interstitial pneumonia (UIP). The availability of two effective anti-fibrotic drugs in IPF has encouraged the identification and treatment of patients in early stages in order to maximize clinical benefit. The ability of high-resolution computed tomography (HRCT) to identify a 'definite' UIP pattern is suboptimal, particularly in the absence of honeycombing...
July 10, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28666014/radiologic-pleuroparenchymal-fibroelastosis-like-lesion-in-connective-tissue-disease-related-interstitial-lung-disease
#18
Yasunori Enomoto, Yutaro Nakamura, Thomas V Colby, Takeshi Johkoh, Hiromitsu Sumikawa, Koji Nishimoto, Katsuhiro Yoshimura, Sayomi Matsushima, Yoshiyuki Oyama, Hironao Hozumi, Masato Kono, Tomoyuki Fujisawa, Noriyuki Enomoto, Naoki Inui, Toshihide Iwashita, Takafumi Suda
BACKGROUND: Radiologic pleuroparenchymal fibroelastosis (PPFE)-like lesion including pulmonary apical cap can be occasionally observed in clinical settings. However, the significance of radiologic PPFE-like lesion is unclear in connective tissue disease (CTD)-related interstitial lung disease (ILD). MATERIALS AND METHODS: A total of 113 patients with CTD-related ILD were enrolled and assessed for radiologic PPFE-like lesion, which was defined as bilateral, upper lobe, and subpleural dense consolidations with or without pleural thickening on chest high-resolution computed tomography...
2017: PloS One
https://www.readbyqxmd.com/read/28640655/usual-interstitial-pneumonia-can-be-detected-in-transbronchial-biopsies-using-machine-learning
#19
Daniel G Pankratz, Yoonha Choi, Urooj Imtiaz, Grażyna M Fedorowicz, Jessica D Anderson, Thomas V Colby, Jeffrey L Myers, David A Lynch, Kevin K Brown, Kevin R Flaherty, Mark P Steele, Steve D Groshong, Ganesh Raghu, Neil M Barth, P Sean Walsh, Jing Huang, Giulia C Kennedy, Fernando J Martinez
RATIONALE: Usual interstitial pneumonia (UIP) is the histopathologic hallmark of idiopathic pulmonary fibrosis. While UIP can be detected by high-resolution computed tomography (HRCT) of the chest, HRCT results are frequently inconclusive, and pathology from transbronchial biopsy (TBB) has poor sensitivity. Surgical lung biopsy (SLB) may be necessary for a definitive diagnosis. OBJECTIVES: To develop a genomic classifier in tissue obtained by TBB that distinguishes UIP from non-UIP, trained against central pathology as the reference standard...
June 22, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28629573/added-value-of-prone-ct-in-the-assessment-of-honeycombing-and-classification-of-usual-interstitial-pneumonia-pattern
#20
Minjae Kim, Sang Min Lee, Jae-Woo Song, Kyung-Hyun Do, Hyun Joo Lee, Soyeoun Lim, Jooae Choe, Kye Jin Park, Hyo Jung Park, Hwa Jung Kim, Joon Beom Seo
OBJECTIVE: To retrospectively investigate whether prone CT improves identification of honeycombing and classification of UIP patterns in terms of interobserver agreement and accuracy using pathological results as a reference standard. MATERIALS AND METHODS: Institutional review board approval with waiver of patients' informed consent requirement was obtained. HRCTs of 86 patients with pathologically proven UIP, NSIP and chronic HP between January 2011 and April 2015 were evaluated by 8 observers...
June 2017: European Journal of Radiology
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