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New Research on Radiation & Brachy on Stage 1 & 2 Endometrial Carcinoma

lindaprocopio's picture
lindaprocopio
Posts: 2022
Joined: Oct 2008

Does Brachytherapy Improve Survival in Addition to External Beam Radiation Therapy in Patients With High-Risk Stage I and II Endometrial Carcinoma?

Am J Clin Oncol. 2010 Aug 1;33(4):364-369, MA Crosby , JD Tward, A Szabo, CM Lee, DK Gaffney
ABSTRACT

Introduction: The benefit of adjuvant external beam radiation therapy (EBRT) in combination with intravaginal brachytherapy (BT) in stage I and II endometrial adenocarcinoma remains controversial. We evaluated the effect of adjuvant EBRT and combined EBRT + BT on overall survival and relative survival within a large US population database.

Methods: We performed an analysis of retrospective data from the Surveillance, Epidemiology, and End Results (SEER) program of the US National Cancer Institute from January 1, 1998 to December 31, 2005. A total of 3395 patients with stages IB, IC, and II node-negative endometrial adenocarcinoma comprised the population. Overall survival (OS) and relative survival (RS) curves were constructed via the Kaplan-Meier method and subgroups were compared via stratified log-rank test within T stage/grade combinations. Cox proportional hazards modeling was performed to evaluate the effect of multiple variables.

Results: EBRT alone was used in 2128 patients (62.7%) and 1267 patients (37.3%) received a combination of EBRT + BT. Higher grade, black race, older age at diagnosis, and later year of diagnosis are associated with worse overall survival, while lymphadenectomy is associated statistically with improved survival. The addition of BT revealed no statistically significant effect on OS.

Conclusions: This large population-based study revealed no improvement in OS or RS with the addition of BT to EBRT in high risk stage I and stage II endometrial cancer. Although specific patient cohorts may benefit from combined EBRT and BT, additional analysis is warranted to further elucidate optimal treatment strategies for adjuvant radiotherapy based on specific clinical and pathologic features.

kathybd
Posts: 126
Joined: Jul 2009

I didn't have radiation and was happy I didn't. Stage 1, grade 2-3. Did 6 rounds of Taxol/carboplatin and tried Megace, but ended up with a DVT. Still trying to get them to let me off Coumadin after 9 months!

You sound fantastic!
Hugs,
Kathy

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