title: Delayed recurrence of renal cell carcinoma presenting as a haemorrhoid.
abstract: Metastatic non-colorectal cancer of the anal canal is a rare entity. To date, only four cases have been described in the literature. We present a 76-year-old man who was referred with an unusual perianal lesion. He had a history of renal cell carcinoma 7 years previously. Histologically, the lesion revealed clear cell carcinoma in keeping with metastasis. To our knowledge, this is only the second time a renal carcinoma metastasis to the anal canal has been identified.
authors.affiliation: Department of Colorectal Surgery, Dorset County Hospital, Dorchester, Dorset, UK james.davies29@doctors.org.uk james.davies@dchft.nhs.uk.
authors.forename: James R L
authors.initials: JR
authors.lastname: Davies
authors.affiliation: Department of Urology, Dorset County Hospital, Dorchester, Dorset, UK.
authors.forename: Gavin
authors.initials: G
authors.lastname: Smith
authors.affiliation: Department of Urology, Dorset County Hospital, Dorchester, Dorset, UK.
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Cornaby
authors.affiliation: Department of Histopathology, Dorset County Hospital, Dorchester, Dorset, UK.
authors.forename: Teresa
authors.initials: T
authors.lastname: Thomas
authors.affiliation: Department of Colorectal Surgery, Dorset County Hospital, Dorchester, Dorset, UK.
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Lamparelli
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