Advances in Clinical and Experimental Medicine
2018, vol. 27, nr 10, October, p. 1453–1457
doi: 10.17219/acem/69855
Publication type: review
Language: English
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Challenges in diagnosis and treatment of sporadic inclusion-body myositis
1 Department of Rheumatology and Internal Medicine, Faculty of Medicine, Wroclaw Medical University, Poland
2 Department of Minimally Invasive Surgery and Proctology, Faculty of Medicine, Wroclaw Medical University, Poland
3 Department of Ophthalmology, Faculty of Medicine, Wroclaw Medical University, Poland
4 Department of Histology and Embryology, Faculty of Medicine, Wroclaw Medical University, Poland
Abstract
Sporadic inclusion body myositis (sIBM) is a rare yet increasingly prevalent disease and the most common cause of inflammatory myopathy in people over the age of 50. The exact cause of the disorder is unknown. In sIBM 2 processes, first autoimmune and the other degenerative, parallelly occur in the muscle cells. The inflammation aspect is characterized by the cloning of T cells that appear to be driven by specific antigens to invade muscle fibers. The degeneration aspect is characterized by the appearance of holes in the muscle cell vacuoles, deposits of abnormal proteins within the cells and in filamentous inclusions. The disease has a major impact on patients’ motor functionality and their quality of life. The treatment of sIBM still remains a major challenge. Early diagnosis of sIBM (already at the histopathology stage), when one still cannot observe fully developed clinical symptoms, may stop help to the progression of the disease.
Key words
biomarker, early diagnosis, sporadic inclusion body myositis
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