The journal of obstetrics and gynaecology research · 2014
Clinicopathological study on para-aortic lymph node metastasis without pelvic lymph node metastasis in endometrial cancer.
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Tomisato Shoko, Yamagami Wataru, Susumu Nobuyuki, Kuwahata Michiko, Takigawa Aya, Nomura Hiroyuki, Kataoka Fumio, Hirasawa Akira, Banno Kouji, Aoki Daisuke
Аннотация
AIM: One of the important risk factors for recurrence of endometrial cancer is lymph node metastasis. The regional lymph nodes are pelvic lymph nodes (PLN) and para-aortic lymph nodes (PAN). PAN metastasis was often detected in the cases with PLN metastasis. However, PAN metastasis not associated with PLN metastasis was identified in a few cases. We focused on nine cases with PAN metastasis and without PLN metastasis.
MATERIAL AND METHODS: The subjects of this study were 260 cases that were diagnosed with endometrial cancer. The initial treatments were surgery, including pelvic and para-aortic lymphadenectomy. Nine of these cases had PAN metastasis but did not have PLN metastasis. We retrospectively analyzed the clinicopathological factors and prognosis in cases with PLN-PAN+ cases.
RESULTS: A total of 91 (35%) cases were identified as positive for either PLN or PAN. PAN metastases were detected in 62.6% of the cases that had some regional lymph node metastases and 3.5% of all cases were PLN- and PAN+. In all PLN-PAN+ cases, PAN swelling was not detected by preoperative chest-abdominal computed tomography scan. There were no clear trends among risk factors of regional lymph node metastasis. The 5-year progression-free survival was 87.1% for PLN-PAN- cases, 67.5% for PLN+PAN- cases, 44.4% for PLN-PAN+ cases, and 33.2% for PLN+PAN+ cases.
CONCLUSION: During diagnosis and treatment for endometrial cancer, PLN-PAN+ cases should also be considered because the prognosis in PLN-PAN+ cases tended to be lower than that in PLN-PAN- cases and PLN+PAN- cases.
MATERIAL AND METHODS: The subjects of this study were 260 cases that were diagnosed with endometrial cancer. The initial treatments were surgery, including pelvic and para-aortic lymphadenectomy. Nine of these cases had PAN metastasis but did not have PLN metastasis. We retrospectively analyzed the clinicopathological factors and prognosis in cases with PLN-PAN+ cases.
RESULTS: A total of 91 (35%) cases were identified as positive for either PLN or PAN. PAN metastases were detected in 62.6% of the cases that had some regional lymph node metastases and 3.5% of all cases were PLN- and PAN+. In all PLN-PAN+ cases, PAN swelling was not detected by preoperative chest-abdominal computed tomography scan. There were no clear trends among risk factors of regional lymph node metastasis. The 5-year progression-free survival was 87.1% for PLN-PAN- cases, 67.5% for PLN+PAN- cases, 44.4% for PLN-PAN+ cases, and 33.2% for PLN+PAN+ cases.
CONCLUSION: During diagnosis and treatment for endometrial cancer, PLN-PAN+ cases should also be considered because the prognosis in PLN-PAN+ cases tended to be lower than that in PLN-PAN- cases and PLN+PAN- cases.