IgG4-related Disease Mimicking a Paratesticular Tumor and Pelvic Lymph Node Metastasis

Department of Rheumatology, Tonan Hospital, Sapporo, Japan. Address correspondence to Dr. E. Sugawara, 060-0004 N4W7, Chuo-Ku, Sapporo, Japan. Email: e.sugawara@huhp.hokudai.ac.jp. The authors declare no conflicts of interest relevant to this hospital. The present study was approved by the Ethics Committee of Tonan Hospital (approval no. 3-1-1), and written informed consent was obtained from the patient.

Department of Rheumatology, Tonan Hospital, Sapporo, Japan. Address correspondence to Dr. E. Sugawara, 060-0004 N4W7, Chuo-Ku, Sapporo, Japan. Email: e.sugawara@huhp.hokudai.ac.jp. The authors declare no conflicts of interest relevant to this hospital. The present study was approved by the Ethics Committee of Tonan Hospital (approval no. 3-1-1), and written informed consent was obtained from the patient.

Department of Rheumatology, Tonan Hospital, Sapporo, Japan. Address correspondence to Dr. E. Sugawara, 060-0004 N4W7, Chuo-Ku, Sapporo, Japan. Email: e.sugawara@huhp.hokudai.ac.jp. The authors declare no conflicts of interest relevant to this hospital. The present study was approved by the Ethics Committee of Tonan Hospital (approval no. 3-1-1), and written informed consent was obtained from the patient.