Abstract
Currently, only 25% of all polymyalgia rheumatica (PMR) patients are referred to specialists. An expert committee has recently recommended confirmation of diagnosis by specialist care. This can help to avoid misdiagnoses and hospital stays and can result in lower glucocorticoid doses.Using ultrasound, magnetic resonance imagining (MRI), or positron emission tomography-computed tomography (PET-CT), typical periarticular inflammatory changes are observed, especially in the shoulder and pelvic girdle area. However, for clinical use, ultrasound is usually sufficient.In 20-25% of newly diagnosed PMR patients without symptoms of giant cell arteritis (GCA), GCA can be detected through vascular ultrasound. These patients require higher glucocorticoid doses in analogy to GCA therapy. There is growing awareness of a joint GCA-PMR spectrum disease.Glucocorticoids remain the primary treatment. The interleukin-6 inhibitor Sarilumab has recently been approved in the USA for patients with recurrent PMR. Studies have also demonstrated the effectiveness of Tocilizumab in PMR.
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