Tumor cytoreduction combined with intraperitoneal hyperthermic chemotherapy has been shown to be an effective method to delay the progression of peritoneal carcinomatosis. We describe 2 cases of painful scrotal ulcer after tumor debulking and intraperitoneal infusion of mitomycin-C for treatment of metastatic abdominal malignancies. Although the pathogenesis is unknown, the awareness of its presence and early signs of clinical presentations by clinicians is very important.