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Patterns of relapse in stage I-II uterine papillary serous carcinoma treated with adjuvant intravaginal radiation (IVRT) with or without chemotherapy.

AbstractOBJECTIVE:
To evaluate patterns of relapse in early stage uterine papillary carcinoma (UPSC) patients receiving adjuvant intravaginal radiotherapy (IVRT) with or without chemotherapy.
METHODS:
From 1/1996 to 12/2010, 77 women with stage I-II UPSC underwent surgery followed by IVRT (median 21Gy). Stage IA patients without residual disease at surgery were excluded. IVRT and chemotherapy (carboplatin/taxane) was given to 61 (79%) patients and IVRT alone to 16 (21%). The median follow-up was 62 months for surviving patients.
RESULTS:
Of the 77 patients, 11 (14%) relapsed as follows: vaginal 2 (3%), pelvic 5 (6%), para-aortic 5 (6%), peritoneal 6 (8%), and other distant sites 8 (10%). Of the 5 pelvic relapses, 2 were isolated and were salvaged. In those treated without chemotherapy, only 1/16 developed recurrence (mediastinal). The 5-year vaginal, pelvic, para-aortic, peritoneal, and distant recurrence rates were 2.7% (C.I. 0-6.2%), 5.8% (C.I. 0.6-11.0%), 5.4% (C.I. 0.6-10.1%), 5.3% (C.I. 0.5-10.1%) and 6.6% (C.I. 1.4-11.8%), respectively. The 5-year disease-free survival (DFS), and overall survival (OS) were 88% (C.I. 81-95%), and 91% (C.I. 84-97%), respectively. The only predictor of worse 5-year pelvic control was stage (96.2% stage IA vs 87.7% for stage IB-II, p=0.043).
CONCLUSIONS:
In stage I-II UPSC patients who predominantly receive adjuvant chemotherapy, IVRT as the sole form of adjuvant RT provides excellent locoregional control. The risk of isolated pelvic recurrence is too low to warrant routine use of external pelvic RT.
AuthorsNeil B Desai, Ana P Kiess, Marisa A Kollmeier, Nadeem R Abu-Rustum, Vicky Makker, Richard R Barakat, Kaled M Alektiar
JournalGynecologic oncology (Gynecol Oncol) Vol. 131 Issue 3 Pg. 604-8 (Dec 2013) ISSN: 1095-6859 [Electronic] United States
PMID24055615 (Publication Type: Journal Article)
Copyright© 2013.
Chemical References
  • Bridged-Ring Compounds
  • Taxoids
  • taxane
  • Carboplatin
Topics
  • Adult
  • Aged
  • Aged, 80 and over
  • Antineoplastic Combined Chemotherapy Protocols (therapeutic use)
  • Brachytherapy (methods)
  • Bridged-Ring Compounds (administration & dosage)
  • Carboplatin (administration & dosage)
  • Carcinoma, Papillary (drug therapy, pathology, radiotherapy, surgery)
  • Chemoradiotherapy, Adjuvant
  • Cystadenocarcinoma, Serous (drug therapy, pathology, radiotherapy, surgery)
  • Disease-Free Survival
  • Female
  • Humans
  • Middle Aged
  • Neoplasm Recurrence, Local (pathology)
  • Neoplasm Staging
  • Radiotherapy, Adjuvant
  • Retrospective Studies
  • Survival Rate
  • Taxoids (administration & dosage)
  • Treatment Outcome
  • Uterine Neoplasms (drug therapy, pathology, radiotherapy, surgery)

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