Atypical clinical presentation of rheumatoid arthritis

Author:

Boskovic Ksenija1ORCID,Savic Aleksandra1,Erdeljan Biljana2,Subin-Teodosijevic Sofija3,Glavcic Aleksandra1

Affiliation:

1. University of Novi Sad, Faculty of Medicine, Novi Sad, Serbia + Special Hospital for Rheumatic Diseases, Novi Sad, Serbia

2. Special Hospital for Rheumatic Diseases, Novi Sad, Serbia

3. Đorđe Joanović General Hospital, Zrenjanin, Serbia

Abstract

Introduction. Rheumatoid arthritis is a systemic autoimmune disease with inflammation of the joints as its hallmark. Extra-articular manifestations affect nearly half of the patients either at the onset of disease or later during the disease course. Case outline. A 43-year-old man complained of chest pain, dry cough, and fatigue. Diagnosis of pericarditis was made based on echocardiography findings. Due to worsening of respiratory symptoms, he was admitted to the hospital. Initial diagnostic workup revealed elevated concentrations of acute phase reactants, pericardial effusion, and bilateral pulmonary nodules. Pathohistological analysis of lung nodules ruled out malignancy and tuberculosis. He was treated with colchicine, which led to a regression of a pericardial effusion. Afterwards, due to arthritis of the right wrist, high erythrocyte sedimentation rate, and C-reactive protein, positive immunoserology and bone erosion at the distal ulna diagnosis of seropositive rheumatoid arthritis was established. He was treated with antimalarial, methotrexate, and glucocorticoids until he suffered from COVID-19 pneumonia, which triggered arthritis flare. Owing to the loss of efficiency of combination therapy with methotrexate and glucocorticoid, baricitinib was added to the treatment. Low disease activity was achieved after three months of administering baricitinib and methotrexate, and no adverse events occurred during 20-month-long therapy. Conclusion. Every patient with pericarditis of unknown etiology should be diagnostically evaluated in term of connective tissue disease including rheumatoid arthritis, because the initial clinical presentation in some group of patients could lack characteristic synovitis.

Publisher

National Library of Serbia

Subject

General Medicine

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