Massimo Bolognesi and Diletta Bolognesi
Background: Primary cancer may occur synchronously in two different organs.The presence of a renal primary cancer discovered by chance during staging prior to surgery of another cancer (caecum-colon) is not as rare an event as is believed. In this case report the authors report an interesting case of double malignancy in which a patient was struck by two separate carcinomas, carcinoma of the caecum and renal cell carcinoma. Case report: A 59-year-old male underwent screening with faecal occult blood test (FOBT) for colorectal cancer. The resulting positive test of which required a colonoscopy indicated the malignancy of the caecum-colon. Renal cell carcinoma was detected incidentally through Computed Tomography (CT) during preliminary investigations for the staging of the disease prior to surgery. The patient subsequently underwent simultaneous, radical, right nephrectomy and hemicolectomy. Both tumours were confirmed in pathologic evaluation, revealing chromophobe renal cell carcinoma and caecum- right colon adenocarcinoma. Conclusion: In conclusion, the elevated frequency of coexisting synchronous renal and colonic carcinomas, recommends routine use of preoperative imaging studies, in order to rule out coexistent, asymptomatic malignant lesions in patients with colorectal cancer.
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