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Updated: Jun 21, 2026

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
Published on: February 8, 2019
[Myalgia in polymyalgia rheumatica, temporal arteritis and other vasculitides]
1Rheumaklinik Berlin-Buch, Immanuel Krankenhaus GmbH, Lindenberger Weg 19, 13125 Berlin. w.schmidt@immanuel.de
Abstract:
Myalgias most commonly occur in polymyalgia rheumatica (PMR). About 45% of patients with giant cell arteritis present with symptoms of PMR. Other vasculitides may also lead to arthralgia and myalgia. While shoulder and pelvic pain is characteristic for PMR pain often also occurs in the back of the neck and in the region of the thoracic spine. In addition, patients often present with malaise, morning stiffness and weight loss. CRP and ESR are elevated. Ultrasound and MRI delineate minor synovitis, tenosynovitis and bursitis in the shoulder. Hip joint synovitis and trochanteric bursitis are also commonly seen. PMR should be distinguished from rheumatoid arthritis. The initial treatment comprises a prednisolone dose of 15-25 mg/day, followed by a weekly decrease of 1-2.5 mg. Once 10 mg/day has been reached the dose should be reduced more slowly.
Insights
Polymyalgia rheumatica (PMR) causes muscle pain, often seen with giant cell arteritis. Diagnosis involves elevated inflammatory markers and imaging, with treatment starting on prednisolone.
Area of Science:
- Rheumatology
- Internal Medicine
- Vasculitis
Context:
- Myalgias are a primary symptom in polymyalgia rheumatica (PMR).
- Approximately 45% of giant cell arteritis patients exhibit PMR symptoms.
- Other vasculitides can also manifest with arthralgia and myalgia.
Purpose:
- To summarize the key features, diagnostic findings, and treatment of polymyalgia rheumatica.
- To highlight the association between PMR and giant cell arteritis.
- To differentiate PMR from other conditions like rheumatoid arthritis.
Summary:
- Characteristic symptoms include shoulder, pelvic, neck, and thoracic spine pain, malaise, morning stiffness, and weight loss.
- Elevated C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR) are common.
- Imaging reveals synovitis, tenosynovitis, and bursitis in the shoulder and hip.
- Initial treatment involves a prednisolone dosage of 15-25 mg/day, with a gradual dose reduction schedule.
Impact:
- Provides a concise overview for clinicians managing patients with suspected PMR.
- Emphasizes the importance of distinguishing PMR from other inflammatory conditions.
- Outlines a standard therapeutic approach for polymyalgia rheumatica management.
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