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Inflammatory myositis

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https://www.readbyqxmd.com/read/29151520/dropped-head-syndrome-and-the-presence-of-rimmed-vacuoles-in-a-muscle-biopsy-in-scleroderma-polymyositis-overlap-syndrome-associated-with-anti-ku-antibody
#1
Yoshida Takeshi, Yoshida Mai, Mitsuyo Kinjo, Jonosono Manabu, Higuchi Itsuro
A 66-year-old woman with a history of interstitial lung disease presented with a 3-month history of dropped head syndrome (DHS), followed by camptocormia and extremity weakness. A clinical examination revealed Raynaud phenomenon, arthralgia, distal skin sclerosis, and microbleeds in the nailfold capillaries. An anti-Ku antibody test was positive. A muscle biopsy revealed inflammatory myopathy with rimmed vacuoles (RVs). The diagnosis of scleroderma-polymyositis (SSc-PM) overlap syndrome was made. RVs on a muscle biopsy in a patient with inflammatory myositis involving axial muscles may be seen either in inclusion body myositis or SSc-PM overlap syndrome...
November 20, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29106061/2017-european-league-against-rheumatism-american-college-of-rheumatology-classification-criteria-for-adult-and-juvenile-idiopathic-inflammatory-myopathies-and-their-major-subgroups
#2
Ingrid E Lundberg, Anna Tjärnlund, Matteo Bottai, Victoria P Werth, Clarissa Pilkington, Marianne de Visser, Lars Alfredsson, Anthony A Amato, Richard J Barohn, Matthew H Liang, Jasvinder A Singh, Rohit Aggarwal, Snjolaug Arnardottir, Hector Chinoy, Robert G Cooper, Katalin Dankó, Mazen M Dimachkie, Brian M Feldman, Ignacio Garcia-De La Torre, Patrick Gordon, Taichi Hayashi, James D Katz, Hitoshi Kohsaka, Peter A Lachenbruch, Bianca A Lang, Yuhui Li, Chester V Oddis, Marzena Olesinska, Ann M Reed, Lidia Rutkowska-Sak, Helga Sanner, Albert Selva-O'Callaghan, Yeong-Wook Song, Jiri Vencovsky, Steven R Ytterberg, Frederick W Miller, Lisa G Rider
OBJECTIVE: To develop and validate new classification criteria for adult and juvenile idiopathic inflammatory myopathies (IIM) and their major subgroups. METHODS: Candidate variables were assembled from published criteria and expert opinion using consensus methodology. Data were collected from 47 rheumatology, dermatology, neurology, and pediatric clinics worldwide. Several statistical methods were utilized to derive the classification criteria. RESULTS: Based on data from 976 IIM patients (74% adults; 26% children) and 624 non-IIM patients with mimicking conditions (82% adults; 18% children), new criteria were derived...
October 27, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29089059/effective-induction-therapy-for-anti-srp-associated-myositis-in-childhood-a-small-case-series-and-review-of-the-literature
#3
E L Binns, E Moraitis, S Maillard, S Tansley, N McHugh, T S Jacques, L R Wedderburn, C Pilkington, S A Yasin, K Nistala
BACKGROUND: Anti-Signal Recognition Particle associated myopathy is a clinically and histopathologically distinct subgroup of Juvenile Idiopathic Inflammatory Myositis, which is under-recognised in children and fails to respond to conventional first line therapies. We present three cases where remission was successfully induced using combination therapy with intensive rehabilitation. CASE PRESENTATIONS: Three new patients are reported. All 3 cases presented with profound, rapid-onset, proximal myopathy and markedly raised CK, but no rash...
October 31, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/29079590/2017-european-league-against-rheumatism-american-college-of-rheumatology-classification-criteria-for-adult-and-juvenile-idiopathic-inflammatory-myopathies-and-their-major-subgroups
#4
REVIEW
Ingrid E Lundberg, Anna Tjärnlund, Matteo Bottai, Victoria P Werth, Clarissa Pilkington, Marianne de Visser, Lars Alfredsson, Anthony A Amato, Richard J Barohn, Matthew H Liang, Jasvinder A Singh, Rohit Aggarwal, Snjolaug Arnardottir, Hector Chinoy, Robert G Cooper, Katalin Dankó, Mazen M Dimachkie, Brian M Feldman, Ignacio Garcia-De La Torre, Patrick Gordon, Taichi Hayashi, James D Katz, Hitoshi Kohsaka, Peter A Lachenbruch, Bianca A Lang, Yuhui Li, Chester V Oddis, Marzena Olesinska, Ann M Reed, Lidia Rutkowska-Sak, Helga Sanner, Albert Selva-O'Callaghan, Yeong-Wook Song, Jiri Vencovsky, Steven R Ytterberg, Frederick W Miller, Lisa G Rider
OBJECTIVE: To develop and validate new classification criteria for adult and juvenile idiopathic inflammatory myopathies (IIM) and their major subgroups. METHODS: Candidate variables were assembled from published criteria and expert opinion using consensus methodology. Data were collected from 47 rheumatology, dermatology, neurology and paediatric clinics worldwide. Several statistical methods were used to derive the classification criteria. RESULTS: Based on data from 976 IIM patients (74% adults; 26% children) and 624 non-IIM patients with mimicking conditions (82% adults; 18% children), new criteria were derived...
October 27, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29075870/-inflammatory-muscle-diseases-myositis
#5
REVIEW
M Vahlensieck
CLINICAL ISSUE: Inflammatory muscle diseases are quite heterogeneous and frequently a specific diagnosis is not easy. STANDARD RADIOLOGICAL METHODS: Magnetic resonance imaging (MRI) is best suited to demonstrate pattern and size of inflamed muscles. PERFORMANCE: Sensitivity of MRI in showing inflamed muscles is nearly 100%. Specificity, however, is much lower. PRACTICAL RECOMMENDATIONS: In cases of suspected bacterial myositis, sonography may be used to exclude abscess formation prior to MRI for more precise information about inflamed muscles...
October 26, 2017: Der Radiologe
https://www.readbyqxmd.com/read/29062359/recovery-from-severe-dysphagia-in-systemic-sclerosis-myositis-overlap-a-case-report
#6
Keith J Chinniah, Girish M Mody
BACKGROUND: Dysphagia is common in inflammatory myopathies and usually responds to corticosteroids. Severe dysphagia requiring feeding by percutaneous endoscopic gastrostomy is associated with significant morbidity and high mortality. CLINICAL CASE: A 56-year old African Black woman initially presented with systemic sclerosis (SSC) - myositis overlap and interstitial lung disease. She responded to high dose corticosteroids and cyclophosphamide followed by azathioprine, with improvement in her lung function and regression of the skin changes...
June 2017: African Health Sciences
https://www.readbyqxmd.com/read/29058147/regulation-of-the-chikungunya-virus-induced-innate-inflammatory-response-by-protein-tyrosine-phosphatase-non-receptor-6-in-muscle-cells
#7
Subrat Thanapati, A B Sudeep, Shruti P Kulkarni, Anuradha S Tripathy
Chikungunya virus (CHIKV)-induced myositis is an emerging affliction with high incidence globally. Given the essential regulatory role of protein tyrosine phosphatase non-receptor 6 (PTPN6) in virus-induced myositis, the expression of the PTPN6 and TNF-α genes in a CHIKV-infected muscle cell line was examined by quantitative PCR, and the expression of PTPN6 and STAT 3 was examined by immunoblotting. In addition, the effect of PTPN6 siRNA treatment on TNF-α gene expression was assessed. Increased higher expression of PTPN6 and TNF-α, and significant upregulation of TNF-α upon PTPN6 siRNA treatment were observed, suggesting that CHIKV has the ability to induce host PTPN6 gene expression, which may lead to a decreased pro-inflammatory immune response in the host...
October 20, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29049993/less-limb-muscle-involvement-in-myositis-patients-with-anti-mitochondrial-antibodies
#8
Takeshi Uenaka, Hisatomo Kowa, Yoshihisa Ohtsuka, Tsuneyoshi Seki, Kenji Sekiguchi, Fumio Kanda, Tatsushi Toda
Recent studies have revealed the clinical, histological, and pathophysiological characteristics in a group of inflammatory myopathies with selected autoantibodies. We retrospectively compared the clinical manifestations and histological features between 8 anti-mitochondrial (anti-M2) antibody-positive and 33 antibody-negative patients. Patients with anti-M2 antibodies have been previously reported to have delayed diagnostic confirmation and frequent cardiopulmonary complications in comparison to those without the antibodies...
October 19, 2017: European Neurology
https://www.readbyqxmd.com/read/29038907/muscular-vasculitis-confined-to-lower-limbs-description-of-two-case-reports-and-a-review-of-the-literature
#9
REVIEW
Alessandra Tripoli, Simone Barsotti, Luca Emanuele Pollina, Alessandra Della Rossa, Rossella Neri, Anna d'Ascanio, Chiara Baldini, Marta Mosca
Muscular involvement is common during systemic vasculitides, such as polyarteritis nodosa. However, in rare cases, muscular involvement can be the only clinically evident feature of the disease. The clinical pattern of isolated muscular vasculitis may mimic several other inflammatory muscle disorders, such as idiopathic inflammatory myositis, and may represent a challenge in differential diagnosis. Herewith, we present two clinical cases as examples of peculiar clinical and histopathological characteristics of isolated muscular vasculitis...
December 2017: Rheumatology International
https://www.readbyqxmd.com/read/29032100/-severity-of-illness-index-in-autoimmune-diseases-have-there-any-usefulness-in-medical-practice
#10
A Saunier, M-A Vandenhende, P Morlat, F Bonnet
INTRODUCTION: Assessing disease activity in patients suffering from autoimmune diseases is complex. Symptoms are multiple, often subjective and there are no reliable biomarkers. Many activity scores have been implemented to compare treatment efficacy in clinical trials. Their use in clinical practice is largely unknown. We performed a practical survey to analyze the use of activity scores in clinical practice to consider treatment response and to assess the determinants of their use. METHODS: A sample of French internists answered a questionnaire about activity scores of systemic lupus erythematosus, Sjögren's syndrome, autoimmune myositis and necrotizing vasculitis of small vessels...
November 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29020538/orbital-inflammatory-syndrome-post-group-a-streptococcal-infection-case-series-and-review-of-literature
#11
Gilad Rabina, Igal Leibovitch, Muhammad Abumanhal, Amir Rosenblatt, Ran Ben Cnaan
OBJECTIVE: To report new cases of orbital inflammatory syndrome (OIS) post group A streptococcal (GAS) infection and review the literature. METHODS: A retrospective case series of patients with OIS post GAS infection seen in our clinic (from January 2015 to December 2016) and review of additional patients from the literature. RESULTS: A total of nine patients with OIS post GAS infection were included in the study (four patients seen in our clinic and five from previous literature); seven females and two males, three children (under the age of 16), and six adults...
October 11, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28986052/an-effective-algorithm-for-the-serological-diagnosis-of-idiopathic-inflammatory-myopathies-the-key-role-of-anti-ro52-antibodies
#12
M Infantino, M Manfredi, V Grossi, M Benucci, G Morozzi, E Tonutti, M Tampoia, N Bizzaro
BACKGROUND: Patients with suspected idiopathic inflammatory myopathies (IIM) are commonly tested for the presence of anti-nuclear antibodies (ANA) by indirect immunofluorescence (IIF) on HEp-2 cell substrates. However, ANA-IIF false negative tests may occur in IIM because some antigens, such as Jo1 and Ro52, may be scarcely expressed on HEp-2 cells. In addition, cytoplasmic staining is often not appropriately investigated by a specific antibody assay, leading to decreased clinical sensitivity of the ANA test...
October 3, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28967485/first-line-pembrolizumab-in-cisplatin-ineligible-patients-with-locally-advanced-and-unresectable-or-metastatic-urothelial-cancer-keynote-052-a-multicentre-single-arm-phase-2-study
#13
Arjun V Balar, Daniel Castellano, Peter H O'Donnell, Petros Grivas, Jacqueline Vuky, Thomas Powles, Elizabeth R Plimack, Noah M Hahn, Ronald de Wit, Lei Pang, Mary J Savage, Rodolfo F Perini, Stephen M Keefe, Dean Bajorin, Joaquim Bellmunt
BACKGROUND: More than half of all patients with advanced urothelial cancer cannot receive standard, first-line cisplatin-based chemotherapy because of renal dysfunction, poor performance status, or other comorbidities. We assessed the activity and safety of first-line pembrolizumab in cisplatin-ineligible patients with locally advanced and unresectable or metastatic urothelial cancer. METHODS: In this multicentre, single-arm, phase 2 study (KEYNOTE-052), cisplatin-ineligible patients with advanced urothelial cancer who had not been previously treated with systemic chemotherapy were recruited from 91 academic medical centres in 20 countries...
September 26, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28947258/-focal-myositis-an-unknown-disease
#14
REVIEW
L Gallay, N Streichenberger, O Benveniste, Y Allenbach
Focal myositis are inflammatory muscle diseases of unknown origin. At the opposite from the other idiopathic inflammatory myopathies, they are restricted to a single muscle or to a muscle group. They are not associated with extramuscular manifestations, and they have a good prognosis without any treatment. They are characterized by a localized swelling affecting mostly lower limbs. The pseudo-tumor can be painful, but is not associated with a muscle weakness. Creatine kinase level is normal. Muscle MRI shows an inflammation restricted to a muscle or a muscle group...
October 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28942404/successful-treatment-using-rituximab-in-a-patient-with-refractory-polymyositis-complicated-by-scleroderma-renal-crisis
#15
Kyoko Innami, Tomoyuki Mukai, Shoko Kodama, Yoshitaka Morita
Corticosteroids are the first-line treatment for patients with inflammatory myopathies. Myositis can be a clinical feature of scleroderma (polymyositis-scleroderma overlap syndrome), and treatment of this syndrome is a challenge for clinicians because moderate to high doses of corticosteroids are considered a risk factor for development of acute kidney injury in affected patients. We report here the case of a 56-year-old woman with scleroderma who developed polymyositis and was successfully treated with rituximab...
September 23, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28931060/isolated-positive-anti-ss-b-autoantibodies-are-not-related-to-clinical-features-of-systemic-autoimmune-diseases-results-from-a-routine-population-survey
#16
Sabine Jardel, Nicole Fabien, Arnaud Hot, Sandra Vukusic, Jacques Tebib, Vincent Cottin, Pascal Sève, Maurice Laville, Alexandre Belot, Isabelle Durieu, Lorna Garnier, Frédéric Coutant, Quitterie Reynaud, Jean Christophe Lega
OBJECTIVE: To assess in clinical practice the frequency and diagnosis associated with the SS-B-positive/SS-A negative autoantibody profile. METHODS: We analyzed a one-year consecutive population of 624 patients referred by clinicians to the immunology laboratory to investigate anti-SS-A and/or anti-SS-B autoantibodies, who were detected using luminex technology. Data were analyzed for patients with isolated anti-SS-B autoantibodies. The clinical characteristics and diagnosis of connective tissue diseases (CTD) were retrieved according to the international criteria...
2017: PloS One
https://www.readbyqxmd.com/read/28899124/apparent-diffusion-coefficient-adc-does-not-correlate-with-different-serological-parameters-in-myositis-and-myopathy
#17
Hans-Jonas Meyer, Oliver Ziemann, Malte Kornhuber, Alexander Emmer, Ulf Quäschling, Stefan Schob, Alexey Surov
Background Magnetic resonance imaging (MRI) is widely used in several muscle disorders. Diffusion-weighted imaging (DWI) is an imaging modality, which can reflect microstructural tissue composition. The apparent diffusion coefficient (ADC) is used to quantify the random motion of water molecules in tissue. Purpose To investigate ADC values in patients with myositis and non-inflammatory myopathy and to analyze possible associations between ADC and laboratory parameters in these patients. Material and Methods Overall, 17 patients with several myositis entities, eight patients with non-inflammatory myopathies, and nine patients without muscle disorder as a control group were included in the study (mean age = 55...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28893408/inflammatory-myopathy-associated-with-antimitochondrial-antibodies-a-distinct-phenotype-with-cardiac-involvement
#18
Jemima Albayda, Aamna Khan, Livia Casciola-Rosen, Andrea M Corse, Julie J Paik, Lisa Christopher-Stine
OBJECTIVE: In the context of clinical evaluations performed on our prospective myositis cohort, we noted a striking association of severe cardiac disease in myositis patients with antimitochondrial antibodies. We sought to review all cases of antimitochondrial antibody (AMA) associated myositis in our cohort to describe the clinical features of this disease subset. METHODS: We identified 7 patients with confirmed antimitochondrial antibodies who presented as an inflammatory myopathy...
June 13, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28893028/synovial-sarcoma-of-palmar-aspect-of-hand-and-survival-a-rare-case-report
#19
Tapan Kumar Sahoo, Ipsita Dhal, Saroj Kumar Das, Saroj Kumar Das Majumdar, Dillip Kumar Parida
Synovial sarcomas of the hand are extremely rare entities than most soft tissue sarcomas. The location at finger is further rarer than carpus of the hand. Synovial sarcoma of the hand/finger initially confused with many diagnoses such as myositis, haematoma, synovitis, tendonitis, bursitis, and other inflammatory lesions and therefore needs careful handling of the case with proper evaluation. We report a case of synovial sarcoma of the palmar surface of the right hand at interface of thumb and index finger in a 22-year-old female...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28866745/mortality-and-prognostic-factors-in-idiopathic-inflammatory-myositis-a-retrospective-analysis-of-a-large-multicenter-cohort-of-spain
#20
Laura Nuño-Nuño, Beatriz Esther Joven, Patricia E Carreira, Valentina Maldonado-Romero, Carmen Larena-Grijalba, Irene Llorente Cubas, Eva Gloria Tomero, María Carmen Barbadillo-Mateos, Paloma García De la Peña Lefebvre, Lucía Ruiz-Gutiérrez, Juan Carlos López-Robledillo, Henry Moruno-Cruz, Ana Pérez, Tatiana Cobo-Ibáñez, Raquel Almodóvar González, Leticia Lojo, María Jesús García De Yébenes, Francisco Javier López-Longo
The present study was undertaken to assess mortality, causes of death, and associated prognostic factors in a large cohort of patients diagnosed with idiopathic inflammatory myositis (IIM) from Spain. A retrospective longitudinal study was carried out in 467 consecutive patients with IIM, identified from 12 medical centers. Patients were classified as primary polymyositis, primary dermatomyositis (DM), overlap myositis, cancer-associated myositis (CAM), and juvenile idiopathic inflammatory myopathies. A total of 113 deaths occurred (24%) after a median follow-up time of 9...
November 2017: Rheumatology International
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