In the present case of a 56-year-old male, hemodialysis was introduced from December 20XX-2 due to chronic renal failure caused by diabetic nephropathy. In February 20XX, a glans penis ulcer was observed. It gradually expanded. Angiography conducted in April revealed complete occlusion of the left internal pudendal artery and poor visualization of the bilateral penile arteries. Given the high risk of obstruction, endovascular treatment was not conducted. The glans penis ulcer continued to expand, and maintenance dialysis became difficult due to intractable pain. Opioids were introduced, but the pain could not be controlled. In May 20XX, the patient was referred to our department for surgical treatment, and partial penile resection was performed. The patient was diagnosed with penile calciphylaxis based on clinical findings and pathological diagnosis. After the surgery, the pain subsided considerably, and the patient is being followed on an out-patient basis.
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