Anal Cancer and Retrorectal Tumors

Retrorectal tumors.

Retrorectal or presacral tumors are rare and can be challenging to diagnose and treat. Because the retrorectal space contains multiple embryologic remnants derived from various tissues, the tumors that develop in this space are heterogeneous. Most lesions are benign, but malignant neoplasms are not uncommon. Lesions are classified as congenital, neurogenic, osseous, inflammatory, or miscellaneo...

Retrorectal tumors: excision by transanal endoscopic microsurgery.

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...

Surgical treatment of retrorectal tumors: our experience in 34 patients

Background The retrorectal tumors represent a heterogeneous group of benign and malignant neoplasms which are currently treated without uniform criteria. The most used classifications are based on different histologic origin of these tumors, on their presumed nature (inflammatory or neoplastic), or on their size. A standardization of the surgical approach based on all these characteristics is s...

How to Treat Retrorectal Cysts or Tumors in Adult

VP. Tumors of the retrorectal space. Dis Colon Rectum 2005;48: 1964-74. 2. Kye BH, Kim HJ, Cho HM, Chin HM, Kim JG. Clinicopathological features of retrorectal tumors in adults: 9 years of experience in a single institution. J Korean Surg Soc 2011;81:122-7. 3. Lee BH, Park HC, Lee HW, An CN, Um T, Lim YA, et al. Transsacral local resection as a posterior approach. J Korean Soc Coloproctol 2010;...

Human papillomaviruses and anal cancer.