A Case of Severe Seronegative Inflammatory Arthritis due to Nivolumab and Review of the Literature

<div>Flowchart illustrating the complete clinical course of the patient. ANA: antinuclear antibody, US: ultrasound, MTX: methotrexate, HCQ: hydroxychloroquine, DMARDs: disease-modifying antirheumatic drugs.</div>

Case Reports in Rheumatology

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Figure 4

Figure 4: A Case of Severe Seronegative Inflammatory Arthritis due to Nivolumab and Review of the Literature 