Abstract
As well as being relatively rare, osseous metastases from colorectal cancer are frequently asymptomatic and represent a late manifestation of disease. We report a case of an unidentified, asymptomatic coccygeal metastasis discovered on histological processing of the resection specimen from a patient with locally advanced rectal cancer treated with neoadjuvant chemoradiotherapy followed by radical abdomino-perineal resection with coccygectomy. The anatomical explanation for this finding may involve passage of tumour cells via the vertebral venous plexus.
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Stewart, D., Kitsanta, P., Hampton, J. et al. Asymptomatic isolated coccygeal metastasis in low rectal carcinoma. Tech Coloproctol 15, 349–351 (2011). https://doi.org/10.1007/s10151-009-0508-0
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DOI: https://doi.org/10.1007/s10151-009-0508-0