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Pelvic exenteration.

Pelvic exenteration offers the only possibility for cure in patients who have pelvic recurrence after receiving optimum amounts of irradiation. With improved radiotherapy techniques, the number of patients with isolated central failure is steadily diminishing, but there remains a significant number of patients with recurrent cancer of the cervix after radiation therapy for whom the procedure offers the only chance for life. Each patient must be assessed individually, with the risks of the procedure weighed against the possible benefits. Technical advances continue to reduce the operative mortality and ameliorate the postoperative morbidity associated with pelvic exenteration.

Female↗

Pelvic exenteration.

Pelvic exenterations are the most extensive surgeries performed for patients with gynecologic cancer, and the surgical team and patients have to be fully aware of the many issues that come into the discussion. This article discusses the history, indications, surgical techniques, and complications of pelvic exenteration.

Female↗

[Conservative surgery and restoration after pelvic exenteration].

Pelvic exenteration can be proposed to non-metastatic patients with advanced or recurrent pelvic cancer and remains frequently the only potentially curative option in combination with others therapies. Colorectal function preservation and reconstructive procedures are useful to decrease functional and psychologic impact and postoperative morbidity. Technical procedures including urinary diversion, colorectal function preservation, vaginal reconstruction and pelvic filling are described and commented. Specific morbidity is analysed.

Anastomosis, Surgical↗

[Pelvic exenteration].

Pelvic exenteresis (total, anterior and posterior) is operative procedure reserved for the local advanced malignancies of the pelvis. In the period 1995-2001, we have treated 54 patients (20 male, 34 female) by this procedures. By anterior pelvic exenteresis we have treated 6 females for: Ca vesicae urinary (4 pts). Ca PVU after irradiation therapy (1 patient), Ca urethrae (1 patient). By posterior pelvic exenteresis we have treated 2 females for primary advanced Ca of the rectum. By total pelvic exenteresis we have treated 46 pts (20 male, 26 female): Ca PVU after irradiation therapy (10 females), recidivant Ca PVU (8 females), primary advanced Ca of the rectum (7 male, 1 female), recidivant Ca of the rectum (10 male, 7 female), recidivant Schwanoma (1 male), recidivant Sa stromae endometrii (1 female), recidivant Ca vesicae urinary (1 female). The median survival time of all 54 patients was 24 months. Early postoperative mortality was 18% (10 pts). Twenty patients died with median survival of 18 months (range 4-48 months). Twenty one patients are alive without evidence of disease with median follow up period of 41 months (range 6-60 months). Three patients were lost from follow up. Exenteresis pelvis is very complicate operative procedure and it should be limited to perform only in couple surgical centers.

Adult↗

Pelvic exenteration for advanced pelvic malignancies.

Our experience of 76 pelvic exenterations for advanced pelvic malignancies is presented, with emphasis on the results and complications. The overall operative mortality rate of 14% is acceptable, and a five-year survival rate of 20% has been achieved. The procedure has a definite role to play in the management of advanced but otherwise localized pelvic malignancies.

Female↗

Quality of life after pelvic exenteration.

OBJECTIVES: Pelvic exenteration, for gynecological and urological cancer, is an extensive and mutilating procedure. The 5-year survival rate is fairly good (40-60%), but little is known about the long-term quality of life. METHODS: In this retrospective cohort study, the quality of life was assessed using the EORTC QLQ-C30 (version 3.0) and the EORTC QLQ-OV28 questionnaires. RESULTS: Healthy females and those who underwent pelvic exenteration for a gynecological or urological malignancy reported comparable levels of emotional functioning and general quality of life. More physical, sexual, and social problems were, however, noted after exenteration. Younger patients and patients who underwent total pelvic exenteration had the most difficulty in adapting to daily life, disease, and treatment. They also had a worse body image, and the influence of the operation on their sex life was greater compared to other patient groups of this study. CONCLUSION: Despite the immense effect of pelvic exenteration on physical, sexual, and social functioning, women who underwent this procedure reported similar levels of emotional functioning and general quality of life compared to healthy women. Adaptation and the mechanism of response shift presumably play an important role.

Adult↗

Pelvic exenteration for advanced pelvic malignancy.

Pelvic exenteration is a demanding, yet potentially curative operation, for patients with advanced pelvic cancer. The majority will present with recurrence after prior surgery and radiotherapy. After exenteration, 5-year survival is 40% to 60% in patients with gynecologic cancer as compared to 25% to 40% for patients with colorectal cancer. Physiologic age and absence of co-morbidities appear to be more important when selecting patients for exenteration than chronological age. Careful pre-operative staging, including either computed tomography (CT) scan or magnetic resonance imaging (MRI), usually will identify patients with distant metastases, extrapelvic nodal disease, or disease involving the pelvic sidewall (which generally precludes surgery). The recent application of intra-operative radiotherapy or postoperative high-dose brachytherapy for patients with more advanced pelvic disease, which may include sidewall involvement, may expand the standard indications for exenteration. However, the intent of this procedure, with or without radiotherapy, should be resection of all tumor with the aim of cure since the place of palliative exenteration is controversial at best. The operative details of exenteration are presented, as are two surgical approaches to composite resection of pelvic structures in continuity with sacrectomy. Filling the pelvis with large tissue flaps, usually a rectus abdominus flap, has decreased morbidity rates, particularly with small bowel complications. Peri-operative mortality is usually 5% to 10%, and significant morbidity occurs in over 50% of patients. Restorative techniques for both urinary and gastrointestinal tracts can diminish the need for stomas and, along with vaginal reconstruction, can significantly improve quality of life for many patients after exenteration. These advances in surgery and radiotherapy help make the procedure a viable option for patients with otherwise incurable pelvic malignancy.

Female↗

Psychosexual adjustment following pelvic exenteration.

Fifteen pelvic exenteration patients from 2 institutions participated in semistructured interviews and objective assessment to examine postoperative psychologic, social, and sexual functioning. Analyses of variance indicated significant differences between the sexually active and nonactive patients and the patients with a neovagina and those with no vaginal capacity only in the area of sexual functioning, not in psychologic or social adjustment. Descriptive statistics for the entire group of patients provide a view of psychosocial adjustment for the average pelvic exenteration patient. Long after such patients are asymptomatic and clinically free of disease, they appear mildly distressed and depressed. However, these women report active and satisfactory levels of social and free-time activities. Sexual functioning continues as the area of greatest disruption for these patients and, as a group, they resemble severely sexually dysfunctional healthy women. This investigation provides a substantive look at the post-treatment life circumstances of these patients and offers a data base for future investigations.

Adaptation, Psychological↗

CT evaluation of gracilis myocutaneous vaginal reconstruction after pelvic exenteration.

After pelvic exenteration for cancer, the gracilis muscles, skin, and subcutaneous fat from the inner aspect of both thighs may be raised as a pedicle flap and tunneled under the skin into the pelvic space to create a neovagina. We reviewed nine pelvic CT examinations in six patients to evaluate the CT appearance of this procedure and its complications. Five patients are alive and without complications. One patient died 6 months after surgery and had a small-bowel fistula to the neovagina. Normal CT findings included air in the vaginal canal in six of nine examinations, gracilis muscle atrophy in two patients who had early and late CT studies, and early separation of the anterior and posterior approximation of the flaps in one patient. Abnormal findings were seen in two patients: one had an abscess near the vaginal apex that was drained per vagina; the other had extraluminal air in the retropubic and subcutaneous fatty tissues due to a small-bowel fistula into the vagina.

Adult↗

The role of pelvic exenteration for sarcomatous malignancies.

Pelvic exenteration, although performed most frequently for recurrent squamous cell carcinoma of the cervix and vagina, has been used in selected patients with pelvic sarcoma. Nine patients with various histologic types of sarcoma treated by pelvic exenteration are reported. During this 23-year time period, 46 patients with sarcoma were evaluated for possible exenteration. Patients with embryonal rhadomyosarcoma (sarcoma botryoides) were excluded because these pediatric tumors are now treated with less radical operative procedures, plus radiation and chemotherapy. Six patients had exenteration as primary treatment, and three patients had exenteration as secondary treatment. Four patients developed recurrent disease (mean 5.2 months), and all four died of disease. Five patients were alive at 5 and 10 years, for an absolute survival of 55%. All three patients with mixed mesodermal tumors died of recurrent disease, compared with 83% survival for patients with other sarcoma types. Pelvic exenteration may play a limited but important role in the therapy of pelvic sarcoma.

Adult↗

Surgical and psychosexual outcome following vaginal reconstruction with pelvic exenteration.

The improved prognosis with pelvic exenterative surgery for gynecologic malignancies has resulted in increasing concern for quality of life. Sexual dysfunction is a common sequel to pelvic exenteration and vaginal reconstruction should be considered in all these patients. This case review assesses our experience with three flap techniques for neovaginal construction. Medical charts were reviewed and survivors interviewed. Fourteen patients had vaginal reconstruction with gracilis myocutaneous (n. = 5), bulbocavernosus (n. = 3) or pudendal thigh fasciocutaneous (n. = 6) flaps at the time of pelvic exenteration. Partial or incomplete necrosis occurred in four (24%) and one (7%) patient had complete flap necrosis bilaterally, followed by an entero-vaginal fistula. Two patients developed recto-vaginal fistula in association with a low rectal reanastomosis (n. = 2) and tumor recurrence (n. = 1). Eight patients, seven of whom agreed to an interview and physical examination, are alive at a median of 15.5 months following pelvic exenteration. Three have stenotic and/or foreshortened vaginas. Two patients are apareunic by choice, four have discontinued vaginal intercourse because of dyspareunia and only one patient has satisfactory coitus. Other problems include vulvar pain (n. = 3), vaginal discharge (n. = 3), neovaginal hair growth (n. = 5) and protrusion of flaps (n. = 3). The functional results in this series are disappointing and better methods of vaginal reconstruction should continue to be developed. Patients undergoing neovaginal reconstruction at the time of pelvic exenteration require careful preoperative counselling and ongoing support after surgery with special attention to sexual dysfunction.

Adult↗

Cecal pelvic transposition following total pelvic exenteration.

BACKGROUND: Multiple techniques have been utilized in an attempt to prevent small bowel obstructions following total pelvic exenteration. Pelvic transposition of the cecum may be an effective way to reduce the incidence of this serious complication. CASES: We present three women who underwent total pelvic exenteration and cecal pelvic transposition to exclude the small bowel from the "empty pelvis". All three patients did well without any postoperative small bowel complications. CONCLUSION: Cecal pelvic transposition precludes the small bowel from entering the pelvis. This procedure can be performed relatively easily by a gynecologic oncologist experienced with bowel surgery. A larger patient series is needed to assess the efficacy of this previously unpublished procedure.

Adenocarcinoma↗

Pelvic exenteration for recurrent endometrial cancer.

Pelvic exenteration is generally not considered an operation with curative value for women with recurrent endometrial carcinoma. We reviewed our experience with pelvic exenteration performed in patients with recurrent endometrial adenocarcinoma from 1947 through 1994. A total of 44 patients were identified, with a mean age of 60 years (range 35-69 years). Primary therapy usually consisted of total abdominal hysterectomy with bilateral salpingo-oophorectomy, with most receiving either pre- or postoperative radiotherapy. Prior to exenteration, 10 of 44 (23%) patients had never received any form of radiotherapy. The median interval between initial surgery and exenteration was 28 months (range 2-189 months). The type of exenteration performed was total in 23 patients (52%), anterior in 20 patients (46%), and posterior in 1 patient. Major postoperative complications occurred in 35 patients (80%) and included urinary/intestinal tract fistulas, pelvic abscess, septicemia, pulmonary embolism, and cerebrovascular accident. Median survival for the entire group of patients was 10.2 months. Nine patients (20%) achieved long-term survival (>5 years). Pelvic exenteration for recurrent endometrial cancer is associated with a high operative morbidity and poor overall survival. Although only 20% of patients achieved long-term survival, this procedure remains the only potentially curative option for the few patients with central recurrence of endometrial cancer who have failed surgical and radiation therapy.

Adenocarcinoma↗

Pelvic exenteration and its modifications.

Since it was first reported in 1948, pelvic exenteration has been used in the treatment of advanced pelvic cancers. The original procedure has been modified in an attempt to preserve urinary or fecal continence. A literature review was performed on selected series of total pelvic exenterations and modified pelvic exenterations in order to assess and discuss the different types of pelvic exenterations and the indications, contraindications, morbidity, mortality, and results of these procedures. According to the series reviewed, morbidity after pelvic exenteration ranges between 32% and 84%, postoperative mortality ranges from 0% to 14%, and and 5-year survival varies from 23% to 68% These numbers indicate that total pelvic exenteration and its modifications are a complex group of surgical procedures with significant early and late postoperative morbidity and mortality. While the authors do feel that these findings indicate that pelvic exenteration should only be undertaken by experienced surgeons at specialized centers, the authors caution that, about all, their findings indicate that the potential curability of a patient with adjacent organ involvement should not be compromised by doing less than an en bloc resection.

Contraindications↗

Morbidity and mortality following preoperative radiation therapy and total pelvic exenteration for primary rectal adenocarcinoma.

BACKGROUND: Pelvic exenteration, the standard treatment for patients with locally advanced rectal adenocarcinoma infiltrating neighbouring pelvic visceras, carried a significant morbidity and mortality rate. AIMS: The aim of this study was to determine the morbidity and mortality rates in a group of patients who were treated with preoperative radiation therapy and total pelvic exenteration. METHODS: Between January 1980 and January 1995, we treated 18 patients. Pretreatment staging was determined by clinical examination and computed tomography (CT) scan of the abdomen and pelvis. Each patient received preoperative radiation therapy of 45 Gy in 20 fractions delivered to the whole pelvis; approximately 6 weeks later total pelvic exenteration was performed. RESULTS: There were 17 males and 1 female, with a median age of 59 years. All patients underwent and completed the scheduled radiation therapy treatment. The main complaints related to radiotherapy were transient skin erythema in five patients and diarrhoea in four. Blood loss (estimated by the surgeon) ranged from 1000 ml to 4200 ml, with a mean loss of 2020 ml. Eight patients (44%) developed major complications: anastomatic leak from the uretero-intestinal suture line (n = 1); perineal wound infection (n = 2); abnormal wall infection (n = 1); haemorrhage from the right internal iliac vein (n = 1) and pneumonia (n = 1). Three patients required surgical reintervention for immediate postoperative haemorrhage from the sacral venous plexus (n = 1), small bowel obstruction (n = 1), and intra-abdominal and pelvic abscess (n = 1). There were two postoperative deaths (11%). The mean and median follow-up was 41 and 32 months, respectively. Two patients (12%) developed local recurrence at 5 and 8 months, and six developed distant recurrences (37%). The overall 5-year survival rate was 61%. CONCLUSION: Our treatment approach was associated with high morbidity and mortality rates, but was similar to previously published series based on total pelvic exenteration without prior radiation therapy. In addition, our therapeutic approach was associated with a low rate of overall local recurrences. Surgical Oncology 1995; 4: 295-301.

Adenocarcinoma↗

Contemporary outcomes of total pelvic exenteration in the treatment of colorectal cancer.

PURPOSE: Total pelvic exenteration is performed infrequently in selected patients with locally advanced or recurrent colorectal cancer. We reviewed our contemporary experience with pelvic exenteration for colorectal cancer to identify selection criteria and prognostic factors for long-term survival. METHODS: Between 1991 and 2000, 55 patients (males, 29; median age, 62 years) undergoing total pelvic exenteration for colorectal cancer were identified from a prospective database. Clinicopathologic variables were evaluated as prognostic indicators of long-term survival by log-rank test and multivariate Cox regression. RESULTS: Indications for surgery were recurrent colorectal cancer in 71 percent and primary colorectal cancer in 29 percent. Of 39 patients with recurrent colorectal cancer, 85 percent had previous radiotherapy, and 64 percent had previous abdominoperineal resection. At the time of pelvic exenteration, 49 percent of patients received intraoperative radiation, and 20 percent required sacrectomy. Complete resection with negative margins was achieved in 73 percent. Perioperative mortality after pelvic exenteration was 5.5 percent, and complications included perineal wound infection (40 percent), pelvic abscess (20 percent), abdominal wound infection (18 percent), and cardiopulmonary events (18 percent). Median disease-specific survival for all patients was 48.9 (range, 3.2-105.6) months. Univariate analysis identified five factors associated with decreased survival: male gender, recurrent colorectal cancer, previous abdominoperineal resection, positive surgical margin, and administration of intraoperative radiation. On multivariate analysis, only previous abdominoperineal resection was an independent predictor of unfavorable outcome (P < 0.04). CONCLUSIONS: Total pelvic exenteration can be performed safely in highly selected patients with colorectal cancer and can result in significantly prolonged survival. Less satisfactory outcomes are observed in patients whose indication for pelvic exenteration is recurrent colorectal cancer after abdominoperineal resection.

Adult↗

Total pelvic exenteration with preservation of fecal continence.

Total pelvic exenteration may be required in the management of locally advanced or recurrent pelvic malignancy. Although prolonged survival may be achieved, the morbidity of this procedure is substantial. Many of the complications associated with total pelvic exenteration are related to the perineal wound, the necessity for two cutaneous stomas, and the creation of a empty pelvis that often has been previously irradiated. In selected cases, perineal preservation with restoration of coloanal continuity may significantly reduce postoperative morbidity. We report four cases of recurrent pelvic malignancy treated by total pelvic exenteration with preservation of fecal continence.

Aged↗