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Revista Brasileira de Coloproctologia
version ISSN 0101-9880
BROMBERG, Sansom Henrique et al. Isolated splenic metastasis from sigmoid colon adenocarcinoma: case report. Rev bras. colo-proctol. [online]. 2011, vol.31, n.1, pp.77-80. ISSN 0101-9880. http://dx.doi.org/10.1590/S0101-98802011000100011.
Solitary metastatic metastasis from colorectal neoplasms is rare. Only 41 cases have been reported in the English literature until 2007. Most patients are asymptomatic, and the diagnosis is usually done by imaging studies or CEA (carcinoembrionic antigen) blood increases, which are required in the postoperative follow-up period. Case report: A 54-year-old man underwent an extended left colectomy for sigmoid colon cancer. The tumor was staged as T3N0M0. During ten months of the follow-up period, the patient remained asymptomatic with normal levels of laboratory tests, including CEA measurement. Then, there was a significant elevation of CEA, and the abdomen computed tomography revealed a mass in the spleen considered as an isolated metastasis. The patient underwent splenectomy. Histological diagnosis confirmed a metastatic adenocarcinoma with no lymph nodes invasion. The patient has been symptom-free during the 14 months of follow-up with normal blood CEA levels and negative radiological studies. CONCLUSION: Solitary spleen metastasis from colon carcinoma is rare, and splenectomy provides an expressive improvement in the survival.
Keywords : spleen; metastasis; colorectal neoplasms; splenectomy.