Abstract
Tumours within the retrorectal space are uncommon. Due to their rarity and diverse symptoms they are often misdiagnosed or mistreated. We report three cases of women presenting a variety of symptoms including increased rectal pain, recurrent abscesses/fistulas and constipation. Upon clinical examination and further investigations using MR scan, endorectal ultrasound and endoscopy, a retrorectal mass was suspected in all three cases. In order to achieve a complete excision of the tumor while minimizing trauma, transanal endoscopic microsurgery (TEM) was performed. The histology of the multicystic tumor revealed in all three cases a tailgut cyst. As far as we know this is the first report describing the use of TEM for surgical treatment of tumors located in the retrorectal space.
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