What is the most common histological type of endometrial cancer, accounting for approximately 90% of cases?

Endometrioid carcinoma

In which stage of endometrial cancer is the tumor confined to the corpus uteri?

Stage I

Which treatment is considered the primary and most effective for early-stage endometrial cancer?

Surgery

What is the lifetime risk percentage of endometrial cancer for women with hereditary non-polyposis colon cancer (HNPCC)?

Up to 30%

In endometrial cancer, what is the relationship between obesity and circulating estrogen levels?

Obese women have elevated levels of circulating estrogen due to body fat converting androgens into estrogen.

Which of the following is a poor prognostic histotype of endometrial cancer? A) Endometrioid adenocarcinoma B) Serous adenocarcinoma C) Mucous adenocarcinoma D) Clear cell carcinoma

B) Serous adenocarcinoma

What percentage of endometrial cancer cases in the European Union are attributed to endometrial cancers?

95%

How is the risk of lymph node involvement determined in endometrial cancer staging?

It is based on the degree of differentiation and extent of myometrial infiltration.

Which imaging method is recommended for staging endometrial cancer before surgical management?

MRI scan

What is the typical 5-year survival rate for localized endometrial cancer?

Approximately 95%

Which stage of endometrial cancer involves tumor invasion beyond the uterus but confined to the true pelvis?

Stage III

Which of the following is NOT a common factor correlated with endometrial cancer development? A) Obesity B) Hypertension C) Hyperestrogenism D) Chronic kidney disease

D) Chronic kidney disease

What is the mechanism through which tamoxifen increases the risk of endometrial cancer?

Tamoxifen can act like estrogen in the endometrium, raising cancer risk after prolonged use.

Which type of endometrial tumor is associated with the highest mortality rate?

Uterine Papillary Serous Carcinoma (UPSC)

What is the significance of the FIGO staging system in endometrial cancer?

It is essential for determining the appropriate treatment course.

What should be assessed during the pre-anesthesia evaluation for women with endometrial cancer?

Associated co-morbidities such as ischemic heart disease and hypertension.

What is the impact of adjuvant radiotherapy on overall survival in stage I endometrial cancer according to earlier studies?

Earlier studies suggested it did not improve survival.

In cases of recurrent endometrial cancer, what is the treatment approach for central disease limited to the vagina?

Radiation therapy, with a success rate of up to 70%.

Which combination of drugs is commonly used for chemotherapy in advanced endometrial cancer?

Carboplatin with paclitaxel

What factor significantly raises the grade of endometrial cancer from G2 to G3?

Significant nuclear atypia

What role do genetic mutations play in the development of papillary serous tumors of the endometrium?

They often exhibit mutations in the p53 gene, indicating an alternative development pathway.

Which of the following statements about carcinosarcoma is true? A) It has a low risk of lymph node metastases B) It behaves similarly to low-grade endometrioid tumors C) It requires special treatment considerations D) It is curable with radiotherapy alone

C) It requires special treatment considerations

What is the effect of hormone therapy with progestogens in recurrent endometrial cancer?

It has been found ineffective as a standard follow-up treatment.

What is the recommended treatment for women with poorly differentiated tumors extending to the outer half of the myometrium?

Radiotherapy should be offered.

What histological type of endometrial cancer accounts for approximately 90% of cases?

Endometrioid carcinoma

Which factor is associated with an increased risk of endometrial cancer in obese women due to elevated estrogen levels?

Body fat converting androgens into estrogen

What is the most common non-endometrial carcinoma that arises in the endometrium?

Uterine Papillary Serous Carcinoma (UPSC)

In the FIGO staging for endometrial cancer, what does Stage II signify?

Tumor involves the corpus and the cervix but has not extended outside the uterus

Which of the following is a poor prognosis histotype associated with endometrial cancer? A) Endometrioid carcinoma B) Clear cell carcinoma C) Mucinous adenocarcinoma D) Well-differentiated carcinoma

B) Clear cell carcinoma

What is the role of tamoxifen in relation to endometrial cancer?

Tamoxifen is linked to an increased risk of endometrial cancer due to its estrogen-like effects on the endometrium.