Rationale: Inflammatory pseudotumor is rare observed in renal immunoglobulin G4-related disease.
Patient concerns: A 65-year-old female presented with a mass in the right kidney which was found in physical examination.
Diagnoses: Based on the imaging findings and clinical manifestations, we preliminarily judged that the mass of the right kidney was renal cell carcinoma.
Interventions: The patient finally underwent total nephrectomy.
Outcomes: The final result of microscopic pathological examination is renal inflammatory pseudotumor.
Lessons: There are some characteristics on magnetic resonance imaging of renal inflammatory pseudotumor, which can improve diagnosis rate by combining with medical history and clinical manifestations.
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