Diseases of the colon and rectum · 2002
Ectopic prostatic tissue of the anal canal presenting with rectal bleeding: report of a case.
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Tekin Koray, Sungurtekin Uğur, Aytekin Faruk Onder, Calli Neşe, Erdem Ergün, Ozden Akin, Yalçin Nagihan
Аннотация
PURPOSE: Ectopic prostatic tissue at various sites within and outside the genitourinary system has been reported previously. A case of ectopic prostatic tissue located in the anal canal causing rectal bleeding is presented.
METHOD: The patient was referred to our clinic with rectal bleeding. At rectal examination a bleeding sessile polypoid mass 2.5 cm in size was found in anal canal and removed surgically.
RESULTS: Histopathologic and immunohistochemical staining of the specimen confirmed the prostatic nature of the tissue.
CONCLUSION: Prostatic heterotopia is significant in several respects. Either it may be an important cause of hematuria or unusually, as in our case, it may cause rectal bleeding. In addition, ectopic tissue may be endoscopically confused with malignancy in either urinary or lower gastrointestinal system. This and other reports may disclose the genesis and significance of this peculiar tissue remnant.
METHOD: The patient was referred to our clinic with rectal bleeding. At rectal examination a bleeding sessile polypoid mass 2.5 cm in size was found in anal canal and removed surgically.
RESULTS: Histopathologic and immunohistochemical staining of the specimen confirmed the prostatic nature of the tissue.
CONCLUSION: Prostatic heterotopia is significant in several respects. Either it may be an important cause of hematuria or unusually, as in our case, it may cause rectal bleeding. In addition, ectopic tissue may be endoscopically confused with malignancy in either urinary or lower gastrointestinal system. This and other reports may disclose the genesis and significance of this peculiar tissue remnant.