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Selva-O’Callaghan A, Guillen-Del-Castillo A, Gil-Vila A, Trallero-Araguás E, Matas-García A, Milisenda JC, Pinal-Fernández I, Simeón-Aznar C. Systemic sclerosis associated myopathy: how to treat. Curr Treatm Opt Rheumatol 2023; 9:151-167. [PMID: 38737329 PMCID: PMC11086655 DOI: 10.1007/s40674-023-00206-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2023] [Indexed: 05/14/2024]
Abstract
Purpose of review Systemic sclerosis (SSc) and myositis are two different entities that may coexist as an overlap syndrome. Immunological biomarkers such as anti-PM/Scl or anti-Ku reinforce the syndrome. This review is focused on the treatment of different and characteristic manifestations of this syndrome. Recent findings Among the different phenotypes of muscle involvement in patients with SSc, the fibrotic pattern and the sporadic inclusion body myositis must be identified early to avoid a futile immunosuppressive treatment. Other forms such as dermatomyositis, non-specific myositis and immune-mediated necrotizing myopathy need to receive conventional immunosuppressive therapy considering that high dose of glucocorticoids may induce a scleroderma renal crisis in patients with SSc. Physicians must be aware of the existence of a "double trouble" association of hereditary myopathy with an autoimmune phenomenon. Several autoantibodies, mainly anti-PM/Scl and anti-Ku may help to define specific phenotypes with characteristic clinical manifestations that need a more specific therapy. Vasculopathy is one of the underlying mechanisms that link SSc and myositis. Recent advances in this topic are reviewed. Summary Current treatment of SSc associated myopathy must be tailored to specific organs involved. Identifying the specific clinical, pathological, and immunological phenotypes may help to take the correct therapeutic decisions.
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Affiliation(s)
- A Selva-O’Callaghan
- Systemic Autoimmune Diseases Unit. Internal Medicine Departament. Universitat Autónoma de Barcelona. Vall d’Hebron Hospital. Barcelona. Spain
| | - A Guillen-Del-Castillo
- Systemic Autoimmune Diseases Unit. Internal Medicine Departament. Universitat Autónoma de Barcelona. Vall d’Hebron Hospital. Barcelona. Spain
| | - A Gil-Vila
- Systemic Autoimmune Diseases Unit. Internal Medicine Departament. Universitat Autónoma de Barcelona. Vall d’Hebron Hospital. Barcelona. Spain
| | | | - A Matas-García
- Muscle Research Unit, Internal Medicine Service, Hospital Clinic de Barcelona (HCB), Universidad de Barcelona and Center for Biomedical Research on Rare Diseases (CIBERER). Barcelona. Spain
| | - JC Milisenda
- Muscle Research Unit, Internal Medicine Service, Hospital Clinic de Barcelona (HCB), Universidad de Barcelona and Center for Biomedical Research on Rare Diseases (CIBERER). Barcelona. Spain
| | - I Pinal-Fernández
- Muscle Disease Unit, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - C Simeón-Aznar
- Systemic Autoimmune Diseases Unit. Internal Medicine Departament. Universitat Autónoma de Barcelona. Vall d’Hebron Hospital. Barcelona. Spain
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de Visser M, Carlier P, Vencovský J, Kubínová K, Preusse C. 255th ENMC workshop: Muscle imaging in idiopathic inflammatory myopathies. 15th January, 16th January and 22nd January 2021 - virtual meeting and hybrid meeting on 9th and 19th September 2022 in Hoofddorp, The Netherlands. Neuromuscul Disord 2023; 33:800-816. [PMID: 37770338 DOI: 10.1016/j.nmd.2023.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 08/20/2023] [Accepted: 08/25/2023] [Indexed: 09/30/2023]
Abstract
The 255th ENMC workshop on Muscle Imaging in Idiopathic Inflammatory myopathies (IIM) aimed at defining recommendations concerning the applicability of muscle imaging in IIM. The workshop comprised of clinicians, researchers and people living with myositis. We aimed to achieve consensus on the following topics: a standardized protocol for the evaluation of muscle images in various types of IIMs; the exact parameters, anatomical localizations and magnetic resonance imaging (MRI) techniques; ultrasound as assessment tool in IIM; assessment methods; the pattern of muscle involvement in IIM subtypes; the application of MRI as biomarker in follow-up studies and clinical trials, and the place of MRI in the evaluation of swallowing difficulty and cardiac manifestations. The following recommendations were formulated: In patients with suspected IIM, muscle imaging is highly recommended to be part of the initial diagnostic workup and baseline assessment. MRI is the preferred imaging modality due to its sensitivity to both oedema and fat accumulation. Ultrasound may be used for suspected IBM. Repeat imaging should be considered if patients do not respond to treatment, if there is ongoing diagnostic uncertainty or there is clinical or laboratory evidence of disease relapse. Quantitative MRI is established as a sensitive biomarker in IBM and could be included as a primary or secondary outcome measure in early phase clinical trials, or as a secondary outcome measure in late phase clinical trials. Finally, a research agenda was drawn up.
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Affiliation(s)
- Marianne de Visser
- Department of Neurology, Amsterdam Neuroscience, Amsterdam University Medical Centre, Location Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.
| | | | - Jiří Vencovský
- Institute of Rheumatology, Department of Rheumatology, Charles University, Prague, Czech Republic
| | - Kateřina Kubínová
- Institute of Rheumatology, Department of Rheumatology, Charles University, Prague, Czech Republic
| | - Corinna Preusse
- Charité-Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health Department of Neuropathology, Berlin, Germany
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Meyer A, Troyanov Y, Korathanakhun P, Landon-Cardinal O, Leclair V, Allard-Chamard H, Bourré-Tessier J, Makhzoum JP, Isabelle C, Larue S, Grand'Maison F, Massie R, Page ML, Mansour AM, Routhier N, Zarka F, Roy F, Sonnen J, Satoh M, Fritzler M, Hudson M, Senécal JL, Karamchandani J, Ellezam B, O'Ferrall E. Myositis with prominent B cell aggregates may meet classification criteria for sporadic inclusion body myositis. Neuromuscul Disord 2023; 33:169-182. [PMID: 36649672 DOI: 10.1016/j.nmd.2022.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022]
Abstract
The objective of this study was to report the clinical, serological and pathological features of patients with autoimmune myositis other than dermatomyositis, who displayed both muscle weakness on physical examination and prominent B cell aggregates on muscle pathology, defined as ≥ 30 CD20+ cells/aggregate. Specifically, the presence of a brachio-cervical inflammatory myopathies or a sporadic inclusion body myositis (sIBM) phenotype was recorded. Over a three-year period, eight patients were identified from two university neuropathology referral centers. Seven of 8 (88%) patients had an associated connective tissue disease (CTD): rheumatoid arthritis (n=3), systemic sclerosis (n=2), Sjögren's syndrome (n=1) and systemic lupus erythematosus (n=1), while one patient died on initial presentation without a complete serological and cancer investigation. A brachio-cervical phenotype, i.e. neck weakness, proximal weakness more than distal and shoulder abduction weakness greater than hip flexors, was seen in two patients (25%), while one patient had both proximal and diaphragmatic weakness. In contrast, an IBM-like clinical phenotype was seen in the last five patients (63%), who either had finger flexor weakness and/or quadriceps weakness ≤ 4 on the manual muscle testing MRC-5 scale. Although these 5 patients met at least one set of classification criteria for sIBM, an integrated clinico-sero-pathological approach argued against a diagnosis of sIBM. In summary, in a weak patient with myositis plus an associated CTD and lymphoid aggregates at muscle pathology, B cell predominant aggregates may represent a morphological biomarker against a diagnosis of sIBM.
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Affiliation(s)
- Alain Meyer
- Exploration fonctionnelle musculaire, Service de physiologie, Service de rhumatologie, Centre de références des maladies autoimmunes rares, Hôpitaux universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France.
| | - Yves Troyanov
- Department of Medicine, University of Montreal, Montreal, Québec, Canada; Division of Rheumatology, Hôpital du Sacré-Coeur, Montreal, Québec, Canada
| | - Pat Korathanakhun
- Department of Neurology, McGill University, Montreal, Québec, Canada; Montreal Neurological Institute and Hospital, Montreal, Québec, Canada
| | - Océane Landon-Cardinal
- Department of Medicine, University of Montreal, Montreal, Québec, Canada; Division of Rheumatology, Centre hospitalier de l'Université de Montréal, Montreal, Québec, Canada; CHUM Research Center, Montreal, Québec, Canada
| | - Valérie Leclair
- Department of Medicine, McGill University, Montreal, Québec, Canada; Division of Rheumatology, Jewish General Hospital, Montreal, Québec, Canada
| | - Hughes Allard-Chamard
- Department of Medicine, Sherbrooke University, Sherbrooke, Québec, Canada; Division of Rheumatology, CHUS, Sherbrooke, Québec, Canada
| | - Josiane Bourré-Tessier
- Department of Medicine, University of Montreal, Montreal, Québec, Canada; Division of Rheumatology, Centre hospitalier de l'Université de Montréal, Montreal, Québec, Canada; CHUM Research Center, Montreal, Québec, Canada
| | - Jean-Paul Makhzoum
- Department of Medicine, University of Montreal, Montreal, Québec, Canada; Division of Internal Medicine, Hôpital du Sacré-Coeur, Montreal, Québec, Canada
| | - Catherine Isabelle
- Department of Medicine, Sherbrooke University, Sherbrooke, Québec, Canada; Division of Rheumatology, Hôpital Charles-Lemoyne, Longueuil, Québec, Canada
| | - Sandrine Larue
- Department of Medicine, Sherbrooke University, Sherbrooke, Québec, Canada; Division of Neurology, Hôpital Charles-Lemoyne, Longueuil, Québec, Canada
| | - Francois Grand'Maison
- Department of Medicine, Sherbrooke University, Sherbrooke, Québec, Canada; Division of Neurology, Hôpital Charles-Lemoyne, Longueuil, Québec, Canada
| | - Rami Massie
- Department of Neurology, McGill University, Montreal, Québec, Canada; Montreal Neurological Institute and Hospital, Montreal, Québec, Canada
| | - Matthieu Le Page
- Division of Rheumatology, Centre hospitalier régional de Lanaudière, Saint-Charles-Borromée, Québec, Canada
| | - Anne-Marie Mansour
- Department of Medicine, University of Montreal, Montreal, Québec, Canada; Division of Internal Medicine, Hôpital du Sacré-Coeur, Montreal, Québec, Canada
| | - Nathalie Routhier
- Department of Medicine, University of Montreal, Montreal, Québec, Canada; Division of Internal Medicine, Hôpital du Sacré-Coeur, Montreal, Québec, Canada
| | - Farah Zarka
- Department of Medicine, University of Montreal, Montreal, Québec, Canada; Division of Internal Medicine, Hôpital du Sacré-Coeur, Montreal, Québec, Canada
| | - Flavie Roy
- Department of Medicine, University of Montreal, Montreal, Québec, Canada
| | - Joshua Sonnen
- Department of Neurology, McGill University, Montreal, Québec, Canada; Montreal Neurological Institute and Hospital, Montreal, Québec, Canada; Department of Pathology, McGill University, Montreal, Québec, Canada
| | - Minoru Satoh
- Department of Clinical Nursing, School of Health Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Marvin Fritzler
- Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Marie Hudson
- Department of Medicine, McGill University, Montreal, Québec, Canada; Division of Rheumatology, Jewish General Hospital, Montreal, Québec, Canada; Lady Davis Institute, Jewish General Hospital, Montreal, Québec, Canada
| | - Jean-Luc Senécal
- Department of Medicine, University of Montreal, Montreal, Québec, Canada; Division of Rheumatology, Centre hospitalier de l'Université de Montréal, Montreal, Québec, Canada; CHUM Research Center, Montreal, Québec, Canada
| | - Jason Karamchandani
- Montreal Neurological Institute and Hospital, Montreal, Québec, Canada; Department of Pathology, McGill University, Montreal, Québec, Canada
| | - Benjamin Ellezam
- Department of Pathology and Cell Biology, University of Montreal, Montreal, Québec, Canada; Department of Pathology, Hôpital Sainte-Justine, Montreal, Québec, Canada
| | - Erin O'Ferrall
- Department of Neurology, McGill University, Montreal, Québec, Canada; Montreal Neurological Institute and Hospital, Montreal, Québec, Canada; Department of Pathology, McGill University, Montreal, Québec, Canada
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