Pelvic exenteration

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Pelvic exenteration

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Pelvic exenteration
Diagram showing the area removed in a pelvic exenteration in a female
Other names	Pelvic evisceration
Specialty	Surgical oncology
ICD-9-CM	68.8
MeSH	D010385
[edit on Wikidata]

Pelvic exenteration (or pelvic evisceration) is a radical surgical treatment that removes all organs from a person's pelvic cavity. It is used to treat certain advanced or recurrent cancers. The urinary bladder, urethra, rectum, and anus are removed. In women, the vagina, cervix, uterus, Fallopian tubes, ovaries and, in some cases, the vulva are removed. In men, the prostate is removed. The procedure leaves the person with a permanent colostomy and urinary diversion.

Pelvic exenteration often leads to complications, such as infection, kidney damage, embolism, perineal hernia, and problems with the stomas created. However, it increases 5-year survival rate from certain cancers. The procedure was first described by Alexander Brunschwig in 1948.

Uses

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Pelvic exenteration is an option in cases of very advanced or recurrent cancer, for which less radical surgical options are not technically possible or would not be sufficient to remove all the tumor. This procedure is performed for several types of cancer including genitourinary cancer,^[1] and colorectal cancers.^[2] It is rarely performed due to common complications.^[3]

Contraindications

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Pelvic exenteration may not cure certain cancers.^[3] This can happen if there are metastases in the liver, the sidewall of the pelvic cavity, the aortic lymph nodes, or through carcinosis.^[3] In these cases, it may not be used. It may also not be used when both ureters are obstructed.^[3]

Complications

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Between 60% and 90% of all people who have a pelvic exenteration have a complication.^[1] The large surgical incision may become infected.^[1] Fever and sepsis may occur.^[1] The kidneys may be damaged, usually due to reduced blood flow and ischaemia.^[1] Embolisms may occur.^[1] After pelvic exenteration, many patients will have perineal hernia, often without symptoms, but only 3–10% will have perineal hernia requiring surgical repair.^[4]

Many problems can occur with the stoma.^[1] Bowel obstruction may occur, or the anastomosis created by the surgery may leak.^[1] The stoma may retract, or may prolapse.^[1] Rarely, it may necrose.^[1]

Technique

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Pelvic exenteration involves removal of all of the pelvic organs.^[3] These include the urinary bladder, urethra, rectum, and anus. In women, the vagina, cervix, uterus, fallopian tubes, ovaries and, in some cases, the vulva are removed. In men, the prostate is removed. Patients receive significant counselling before the procedure so that they fully understand the benefits and risks.^[5] Radiology is used before surgery.^[5] The surgery itself is complex.^[5]

Recovery

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Pelvic exenteration leaves a person with a permanent colostomy and urinary diversion. A 2015 article reports that pelvic exenteration can provide long-term survival for patients with locally advanced primary rectal carcinoma. The 5-year survival rate of patients undergoing pelvic exenteration following complete resection of disease was 59.3%. Factors shown to influence the survival rate following a pelvic exenteration procedure include age, the presence of metastatic disease, lymph node status, circumferential resection margin, local recurrence of disease, and the need for neoadjuvant therapy.^[6]

History

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The procedure was first described by Alexander Brunschwig in 1948.^[1]^[7]

References

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^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k Ramirez, Pedro T.; Salvo, Gloria (2018). "16 - Complications of Pelvic Exenteration". Principles of Gynecologic Oncology Surgery. Elsevier. pp. 207–225. doi:10.1016/B978-0-323-42878-1.00016-X. ISBN 978-0-323-42878-1.
^ Kroon, Hidde M.; et al. (October 2019). "Palliative pelvic exenteration: A systematic review of patient-centered outcomes". European Journal of Surgical Oncology. 45 (10): 1787–1795. doi:10.1016/j.ejso.2019.06.011. PMID 31255441. S2CID 195760408.
^ ^a ^b ^c ^d ^e Ahuja, Vanita (2011). "14 - Open Surgical Techniques in Colorectal Cancer". Early Diagnosis and Treatment of Cancer Series: Colorectal Cancer. Saunders. pp. 145–165. doi:10.1016/B978-1-4160-4686-8.50019-1. ISBN 978-1-4160-4686-8.
^ Krasiuk BM, Gorelova EM (August 1990). "[Non-parasitic cyst of the spleen in a child]". Khirurgiia (in Russian) (8): 130–1. PMID 2259151.
^ ^a ^b ^c Cibula, David (2018). "15 - Pelvic Exenteration for Gynecologic Cancers". Principles of Gynecologic Oncology Surgery. Elsevier. pp. 193–206. doi:10.1016/B978-0-323-42878-1.00015-8. ISBN 978-0-323-42878-1.
^ Radwan RW, Jones HG, Rawat N, Davies M, Evans MD, Harris DA, Beynon J (September 2015). "Determinants of survival following pelvic exenteration for primary rectal cancer". The British Journal of Surgery. 102 (10): 1278–84. doi:10.1002/bjs.9841. PMID 26095525. S2CID 39257101.
^ Brunschwig A: Complete excision of the pelvic viscera for advanced carcinoma. Cancer 1948; 1: 177.

Tests and procedures involving the female reproductive system

Gynecological surgery

Ovaries

Fallopian tubes

Uterus

General:	Genitoplasty Hysterectomy Hysterotomy Pelvic exenteration Uterine artery embolization Transplantation
Uterine cavity:	Hysteroscopy Vacuum aspiration
Endometrium:	Endometrial biopsy Endometrial ablation
Myometrium:	Uterine myomectomy
Cervix:	Colposcopy Cervical conization LEEP Cervical cerclage Cervical screening (pap test) Cervicectomy Pessary insertion

Vagina

Vulva

Medical imaging

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