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We describe the case of a patient with metastatic prostate cancer to the bowel presenting clinically and radiologically as a primary caecal cancer.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case presentation<\/jats:title><jats:p>A 72 year-old man presented with abdominal discomfort and a clinically palpable caecal mass and a firm nodule on his thigh, the latter behaving clinically and radiologically as a lipoma. Computed tomographic (CT) scan showed a luminally protuberant caecal mass with regional nodal involvement. The patient was being treated (Zoladex<jats:sup>\u00ae<\/jats:sup>) for prostatic cancer diagnosed 6 years previously and was known to have bony metastases. On admission his PSA was 245.4 nmol\/ml. The patient underwent a right hemicolectomy. Histology showed a poorly differentiated adenocarcinoma which was PSA positive, confirming metastatic prostatic adenocarcinoma to the caecum. The patient underwent adjuvant chemotherapy and is free from recurrence a year later.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Metastasis of prostatic carcinoma to the bowel is a very rare occurrence and presents a challenging diagnosis. The diagnosis is supported by immunohistochemistry for PSA. The treatment for metastatic prostate cancer is mainly palliative.<\/jats:p><\/jats:sec>","DOI":"10.1186\/1477-7819-5-2","type":"journal-article","created":{"date-parts":[[2007,1,9]],"date-time":"2007-01-09T07:20:01Z","timestamp":1168327201000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Metastatic prostate cancer masquerading clinically and radiologically as a primary caecal carcinoma"],"prefix":"10.1186","volume":"5","author":[{"given":"Muhammad A","family":"Kabeer","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Edward","family":"Lloyd-Davies","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giles","family":"Maskell","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rolf","family":"Hohle","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joseph","family":"Mathew","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2007,1,7]]},"reference":[{"key":"254_CR1","volume-title":"The Lower Urinary Tract and Male Genital System, Pathologic Basis Of Disease","author":"JI Epstein","year":"2004","unstructured":"Epstein JI: The Lower Urinary Tract and Male Genital System, Pathologic Basis Of Disease. 2004, London: Elsevier-Saunders, 7","edition":"7"},{"key":"254_CR2","doi-asserted-by":"publisher","first-page":"219","DOI":"10.1177\/146642400412400518","volume":"124","author":"E Siddiqui","year":"2004","unstructured":"Siddiqui E, Mumtaz FH, Gelister J: Understanding prostate cancer. 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