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Trends in the demographic and clinicopathological characteristics in Japanese patients with endometrial cancer, 1990-2010.

Honda T, Urabe R, Kurita T, Kagami S, Kawagoe T, Toki N, Matsuura Y, Hachisuga T - Int J Womens Health (2012)

Bottom Line: The mean ages ± standard deviation in the decade A group and the decade B group were 57.5 years ± 9.7 years and 61.0 years ± 11.3 years, respectively (P < 0.02).There was an increase in the proportion of patients aged 70 years or older and of high-risk histological tumors including serous carcinoma, clear cell carcinoma, and carcinosarcoma (decade A group and decade B group: 9.5% vs 27.6%, P < 0.001, 10.4% vs 21.6%, P = 0.01, respectively), while the advanced surgical stage (III and IV), obesity (≥25 of body mass index), and iparity of the decade A group and decade B group were 23.3% vs 29.1%, P = 0.30, 28.4% vs 33.0%, P = 0.40, and 19.0% vs 21.2%, P = 0.66, respectively.The cancer-specific survival rates in the decade A group and the decade B group were 78.6% and 77.6%, respectively (P = 0.93).

View Article: PubMed Central - PubMed

Affiliation: Department of Obstetrics and Gynecology, University of Occupational and Environmental Health School of Medicine, Yahatanishi-ku, Kitakyushu, Japan.

ABSTRACT

Objective: Over the past 20 years, the incidence of endometrial cancer has increased remarkably in Japan. The number of elderly females has also increased within the population of Japan. We examined the impact of advanced age on the demographic and clinicopathological characteristics in Japanese patients with endometrial cancer.

Methods: Data were collected from 319 surgically treated Japanese females with endometrial cancer from the files of the University Hospital of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu, Japan, between 1990 and 2010. χ(2) tests were performed to evaluate the trends in the variables between two decades (A: 116 cases from 1990-2000) and (B: 203 cases in 2001-2010). The histological subtypes were also evaluated based on the immunohistochemical expressions of p53, estrogen receptor, and Ki-67.

Results: The mean ages ± standard deviation in the decade A group and the decade B group were 57.5 years ± 9.7 years and 61.0 years ± 11.3 years, respectively (P < 0.02). There was an increase in the proportion of patients aged 70 years or older and of high-risk histological tumors including serous carcinoma, clear cell carcinoma, and carcinosarcoma (decade A group and decade B group: 9.5% vs 27.6%, P < 0.001, 10.4% vs 21.6%, P = 0.01, respectively), while the advanced surgical stage (III and IV), obesity (≥25 of body mass index), and iparity of the decade A group and decade B group were 23.3% vs 29.1%, P = 0.30, 28.4% vs 33.0%, P = 0.40, and 19.0% vs 21.2%, P = 0.66, respectively. The cancer-specific survival rates in the decade A group and the decade B group were 78.6% and 77.6%, respectively (P = 0.93).

Conclusion: The increase in number of elderly females in the Japanese population is related to the increase in that of high-risk endometrial cancers. A study is needed to investigate prevention strategies and to improve the treatment of elderly patients with high-risk endometrial cancer.

No MeSH data available.


Related in: MedlinePlus

Kaplan–Meier analysis of cancer-specific survival stratified by decade.
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f1-ijwh-4-207: Kaplan–Meier analysis of cancer-specific survival stratified by decade.

Mentions: Figure 1 shows that the decade A group and the decade B group had follow-up periods ranging from 3 months to 221 months (median 82 months) with a cancer-specific survival rate of 78.6% and follow-up periods ranging from 2 months to 128 months (median 45 months) with a cancer-specific survival rate of 77.6%, respectively (P = 0.93). The cancer-specific survival rates of patients with endometrioid adenocarcinoma (grades 1, 2, and 3), serous carcinoma, clear cell carcinoma, and carcinosarcoma were 96.8%, 75.3%, 65.6%, 46.2%, 45.2%, and 11.8%, respectively (P < 0.0001). The overall survival rates of patients with endometrioid adenocarcinoma (grades 1, 2, and 3), serous carcinoma, clear cell carcinoma, and carcinosarcoma were 94.6%, 68.8%, 64.5%, 44.1%, 36.6%, and 9.7%, respectively (P < 0.0001). The cancer-specific survival rates of patients with endometrioid tumor and nonendometrioid tumor were 86.2% and 37.2%, respectively (P < 0.001).


Trends in the demographic and clinicopathological characteristics in Japanese patients with endometrial cancer, 1990-2010.

Honda T, Urabe R, Kurita T, Kagami S, Kawagoe T, Toki N, Matsuura Y, Hachisuga T - Int J Womens Health (2012)

Kaplan–Meier analysis of cancer-specific survival stratified by decade.
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC3367407&req=5

f1-ijwh-4-207: Kaplan–Meier analysis of cancer-specific survival stratified by decade.
Mentions: Figure 1 shows that the decade A group and the decade B group had follow-up periods ranging from 3 months to 221 months (median 82 months) with a cancer-specific survival rate of 78.6% and follow-up periods ranging from 2 months to 128 months (median 45 months) with a cancer-specific survival rate of 77.6%, respectively (P = 0.93). The cancer-specific survival rates of patients with endometrioid adenocarcinoma (grades 1, 2, and 3), serous carcinoma, clear cell carcinoma, and carcinosarcoma were 96.8%, 75.3%, 65.6%, 46.2%, 45.2%, and 11.8%, respectively (P < 0.0001). The overall survival rates of patients with endometrioid adenocarcinoma (grades 1, 2, and 3), serous carcinoma, clear cell carcinoma, and carcinosarcoma were 94.6%, 68.8%, 64.5%, 44.1%, 36.6%, and 9.7%, respectively (P < 0.0001). The cancer-specific survival rates of patients with endometrioid tumor and nonendometrioid tumor were 86.2% and 37.2%, respectively (P < 0.001).

Bottom Line: The mean ages ± standard deviation in the decade A group and the decade B group were 57.5 years ± 9.7 years and 61.0 years ± 11.3 years, respectively (P < 0.02).There was an increase in the proportion of patients aged 70 years or older and of high-risk histological tumors including serous carcinoma, clear cell carcinoma, and carcinosarcoma (decade A group and decade B group: 9.5% vs 27.6%, P < 0.001, 10.4% vs 21.6%, P = 0.01, respectively), while the advanced surgical stage (III and IV), obesity (≥25 of body mass index), and iparity of the decade A group and decade B group were 23.3% vs 29.1%, P = 0.30, 28.4% vs 33.0%, P = 0.40, and 19.0% vs 21.2%, P = 0.66, respectively.The cancer-specific survival rates in the decade A group and the decade B group were 78.6% and 77.6%, respectively (P = 0.93).

View Article: PubMed Central - PubMed

Affiliation: Department of Obstetrics and Gynecology, University of Occupational and Environmental Health School of Medicine, Yahatanishi-ku, Kitakyushu, Japan.

ABSTRACT

Objective: Over the past 20 years, the incidence of endometrial cancer has increased remarkably in Japan. The number of elderly females has also increased within the population of Japan. We examined the impact of advanced age on the demographic and clinicopathological characteristics in Japanese patients with endometrial cancer.

Methods: Data were collected from 319 surgically treated Japanese females with endometrial cancer from the files of the University Hospital of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu, Japan, between 1990 and 2010. χ(2) tests were performed to evaluate the trends in the variables between two decades (A: 116 cases from 1990-2000) and (B: 203 cases in 2001-2010). The histological subtypes were also evaluated based on the immunohistochemical expressions of p53, estrogen receptor, and Ki-67.

Results: The mean ages ± standard deviation in the decade A group and the decade B group were 57.5 years ± 9.7 years and 61.0 years ± 11.3 years, respectively (P < 0.02). There was an increase in the proportion of patients aged 70 years or older and of high-risk histological tumors including serous carcinoma, clear cell carcinoma, and carcinosarcoma (decade A group and decade B group: 9.5% vs 27.6%, P < 0.001, 10.4% vs 21.6%, P = 0.01, respectively), while the advanced surgical stage (III and IV), obesity (≥25 of body mass index), and iparity of the decade A group and decade B group were 23.3% vs 29.1%, P = 0.30, 28.4% vs 33.0%, P = 0.40, and 19.0% vs 21.2%, P = 0.66, respectively. The cancer-specific survival rates in the decade A group and the decade B group were 78.6% and 77.6%, respectively (P = 0.93).

Conclusion: The increase in number of elderly females in the Japanese population is related to the increase in that of high-risk endometrial cancers. A study is needed to investigate prevention strategies and to improve the treatment of elderly patients with high-risk endometrial cancer.

No MeSH data available.


Related in: MedlinePlus