• B M Southcott.
• Charing Cross Hospital, London, England.
• Drugs. 2001 Jan 1;61(10):1395-405.

AbstractThe incidence of endometrial cancer is highest among relatively affluent Caucasians. Although it has a comparatively low mortality rate compared with other gynaecological cancers, it is capable of aggressive behaviour. Endometrial cancer is uncommon in premenopausal women. The incidence rises with age and is significantly increased when there is exposure to unopposed estrogen, including hormone replacement therapy (HRT). Even when HRT is given in the form of estrogen and cyclical progesterone there is probably some increased risk. The long term use of tamoxifen for breast cancer is also associated with an increased incidence of endometrial cancer. Transvaginal ultrasound and pipelle or hysteroscopy endometrial biopsies are tending to replace the traditional dilation and curettage in establishing a diagnosis. 90% of endometrial tumours are surgically resectable on presentation. This remains the first line management--minimally, a total abdominal hysterectomy and bi-lateral salpingo oophorectomy. Prognostic factors include the histological grade, the depth of invasion of the myometrium, the presence or absence of lymph-vascular space invasion and involved regional nodes, tumour volume, and the presence or absence of involvement of the cervix. The pelvis is a major anatomical site at risk of recurrence, and since cytotoxic chemotherapy and hormone therapies have limited effectiveness, radiotherapy is the adjuvant therapy of choice where adverse prognostic factors are present. A move towards more radical surgery--the addition of lymphadenectomy with a total abdominal hysterectomy and bi-lateral salpingo oophorectomy, may modify the value of adjuvant therapy and has highlighted the need to demonstrate the exact place of post operative radiotherapy in the management of endometrial cancer. The ASTEC trial in the UK, run by the Medical Research Council, has the dual aims of determining the benefit of lymphadenectomy and of post operative adjuvant radiotherapy in patients with endometrial cancer confined to the corpus. Patients who are not medically fit for surgery or who have inoperable disease are managed with radical radiotherapy but the results in both these groups are inferior to those obtained with radical surgery. Spread outside the pelvis to para-aortic nodes may still be salvaged with local irradiation, but systemic disease is incurable and treatment is largely palliative including consideration of local irradiation, hormone therapy or chemotherapy for symptomatic relief. As reliable techniques for diagnosis are refined an even larger proportion of patients will be diagnosed with early disease. This, together with the development of new cytotoxic agents and sophisticated radiotherapy techniques to reduce normal tissue morbidity, will require the establishment of further clinical trials to refine optimal management.

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