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The role of palliative pelvic exenteration.

A retrospective review was made of pelvic exenterative procedures performed over a 45-month period at a single institution for symptom palliation in 35 patients with previously treated pelvic cancers (21 colorectal, 9 urinary, 5 gynecologic). Preexenterative treatment and nutritional and performance status were determined. The impact of the disease and the symptoms on quality of life both before and after exenteration was evaluated. Symptoms leading to exenteration included pain (n = 12), bleeding (n = 11), fistula (n = 7), or obstruction (n = 6) and were present for a median duration of 12 months before surgery. Procedures included 11 total, 13 anterior, and 11 posterior exenterations, with 17 extended resections. Operative mortality was 3% and overall morbidity was 47%. Quality of life improved in 88% of patients after exenteration. Median overall survival was 20 months, and 43% of patients were still alive after a minimum of 16 months of follow-up.

Colorectal Neoplasms↗

[Reconstructive surgery of the efferent urinary tract in pelvic exenteration of gynecological tumors].

In locally advanced or recurrent tumors of the female genital tract anterior or total exenteration may be mandatory in case of tumor invasion into the lower urinary tract or if a second course of radiation therapy is not feasible. The management of resection and reconstruction of the affected lower urinary tract has to be well integrated into the gynecological therapeutic concept. In 11/32 patients the reconstruction of the partially resected lower urinary tract was feasible with preservation of a functionally intact urinary bladder. Urinary diversion following pelvic exenteration was achieved in 13/17 patients with a continent urinary reservoir and in 4/17 patients with an ileal conduit. Operative reinterventions were needed only in patients with continent urinary diversion in 5 cases. All these patients had a past history of primary radiation therapy of their gynecological tumor. In the remaining other 11 patients with a history of primary radiation therapy no complications occurred. 9 of 32 patients survived the operative procedure 40.8 (25-57) month with no evidence of recurrent tumor. Continent urinary diversion represents an excellent therapeutic option for replacement of function lost due to exenterative pelvic surgery. Stringent selection of patients is mandatory to consider the presented therapeutic concept a reasonable tool in the management of the described clinical situations.

Adult↗

Neovaginal cytology after total pelvic exenteration for gynecological malignancies.

Vaginal reconstruction has become an established method to restore sexual function in women who have undergone ultraradical surgery and/or irradiation for the treatment of gynecologic malignancies. Cytologic evaluation of the neovagina serves a major role in the detection of recurrent disease. The purpose of this retrospective 6-yr study (January 1987-December 1993) was to evaluate the cytologic features of vaginal smear specimens from neovaginas constructed utilizing split-thickness skin grafts. Thirty-four vaginal smears were obtained at regular intervals from nine women (mean age: 51 yr) who underwent total pelvic exenteration with vaginal reconstruction for recurrent malignancies of the vagina and the cervix. Anucleated, keratinizing squames were a constant finding in each smear. Over a 4-mo-6-yr postoperative period, superficial and intermediate squamous cells were present in the majority of the smears and the maturation index showed a shift to the right. In two cases, a squamous cell carcinoma of the cervix recurred within the neovagina. Knowledge of the cytologic features associated with neovaginas is important in order to distinguish normal changes from neoplastic lesions.

Adenocarcinoma↗

A case of linitis plastica of the rectum treated by pelvic exenteration after aggressive immunochemotherapy.

Multidisciplinary treatment was administered to a 32 year-old man with primary linitis plastica of the rectum, which was considered inoperable due to an extensive local spread at the first operation. Thirty KE of OK-432 was injected into the tumor per week (total 90-KE) and 5 KE of OK-432 was inoculated into the intracutaneous space per week (total 125 KE). Also methotrexete (MTX 50 mg) and 5-FU (500 mg) combined were given each week by intra-arterial infusion (total 20 courses). After this immuno-chemotherapy the CEA decreased from the pretreatment value of 12.7 ng/ml to 3.6 ng/ml and the tumor size was reduced. A total pelvic exenteration could then be performed almost curatively. As a result, this patient was able to return to the society with a better quality of life and has survived for 20 months since presentation.

Adult↗

Pelvic exenteration without external urinary or fecal diversion in gynecological cancer patients.

In 1993, the authors introduced an orthotopic bladder replacement technique in the treatment of gynecological cancer patients. In this series, they report their long-term experience with orthotopic urinary reconstruction in case of primary- and radiotherapy-treated recurrent gynecological malignancies. Between 1993 and 2003, in 29 patients orthotopic ileocecal ascending colon reservoirs (Budapest pouch) were created. Twenty-one of the 29 patients received radiotherapy prior to their operation. In 12 out of these 29 cases, the fecal stream was reconstructed with the use of low rectal anastomosis. Two patients (6.9%) died in the perioperative period. Orthotopic reconstruction of the lower urinary system was successful in 77% of the cases. Success rate was 68% in the irradiated cohort of patients. All orthotopic bladder replacement patients voided voluntarily at the time of their follow-up, without the need of self-catheterization, and 23.5% of them complained of some degree of daytime incontinence and 47% of nighttime incontinence. Low rectal anastomosis reconstruction of the fecal stream was successful in all but one case. Our present experience demonstrated that anterior and total supralevator pelvic exenteration in patients with gynecological malignancies is feasible with orthotopic reconstruction of the lower urinary tract.

Adult↗

Temporary colostomy in supralevator pelvic exenteration. A comparative study between stapled loop and loop colostomy.

A temporary loop colostomy is created in most patients undergoing total supralevator pelvic exenteration with low rectal anastomosis. We report 16 patients comparing two different types of loop colostomy. In half of them a normal loop colostomy was made and refashioning of the stoma was necessary in two patients because of faecal spillover in the presence of anastomotic leakage. In the other eight patients a functional terminal colostomy was created by application of a TA 55 stapler on the efferent loop. In this group no refashioning of the stoma was necessary and no difficulties were encountered on closure of this type of colostomy. Because of the high incidence of anastomotic leakage in this population, the stapled loop colostomy is the preferred method of choice because it eliminates any possible faecal spillover.

Adult↗

Is total pelvic exenteration reasonable primary treatment for rectal carcinoma?

Total pelvic exeneration (TPE) is reasonable primary surgical therapy in select patients with large bulky locally invasive rectal cancers that can be removed en bloc. Many do not have either nodal or distant metastasis. Furthermore, TPE can be curative and often is palliative for similar lesions that are recurrent or nonresponsive to radiation therapy. Operative mortality rates should be under 10% and can be under 5% for primary cases. Although improvement in preoperative management and operative technique, especially with urinary conduits and postoperative care is clear, both early and late complications are significant. Unfortunately, preoperative identification of those patients requiring TPE rather than abdominoperineal or low anterior resection remains poor. Furthermore, recent improvements in techniques for pelvic slings to prevent small bowel entrapment and protection from irradiation or myocutaneous flaps to obliterate the massive dead space are not yet clearly established as preventors of either early or later complications.

Carcinoma↗