Postoperative whole pelvic radiotherapy plus concurrent chemotherapy versus extended-field irradiation for early-stage cervical cancer patients with multiple pelvic lymph node metastases.
OBJECTIVE
The aim of this study was to compare the efficacy of postoperative pelvic radiotherapy plus concurrent chemotherapy with that of extended-field irradiation (EFRT) in patients with FIGO Stage IA2-IIb cervical cancer with multiple pelvic lymph node metastases.


METHODS
We retrospectively reviewed the medical records of patients with FIGO Stage IA2-IIb cervical cancer who had undergone radical surgery between April 1997 and March 2008. Of these, 55 patients who demonstrated multiple pelvic lymph node metastases were treated postoperatively with pelvic radiotherapy plus concurrent chemotherapy (n=29) or EFRT (n=26). Thirty-six patients with single pelvic node metastasis were also treated postoperatively with pelvic radiotherapy plus concurrent chemotherapy. The recurrence rate, progression free survival (PFS), and overall survival (OS) were compared between the treatment groups.


RESULTS
Pelvic radiotherapy plus concurrent chemotherapy was significantly superior to EFRT with regard to recurrence rate (37.9% vs 69.2%, p=0.0306), PFS (log-rank, p=0.0236), and OS (log-rank, p=0.0279). When the patients were treated with pelvic radiotherapy plus concurrent chemotherapy, there was no significant difference in PFS or OS between the patients with multiple lymph node metastases and those with single node metastases. With regards to grade 3-4 acute or late toxicities, no statistically significant difference was observed between the two treatment groups.


CONCLUSIONS
Postoperative pelvic radiotherapy plus concurrent chemotherapy is superior to EFRT for treating patients with FIGO Stage IA2-IIb cervical cancer displaying multiple pelvic lymph node metastases.
Mabuchi
Seiji
S
Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan. smabuchi@gyne.med.osaka-u.ac.jp
Okazawa
Mika
M
Isohashi
Fumiaki
F
Ohta
Yukinobu
Y
Maruoka
Shintaroh
S
Yoshioka
Yasuo
Y
Enomoto
Takayuki
T
Morishige
Kenichirou
K
Kamiura
Shoji
S
Kimura
Tadashi
T
D000970:Antineoplastic Agents / Q000008:administration & dosage / Q000627:therapeutic use*; D003131:Combined Modality Therapy; D018572:Disease-Free Survival; D005260:Female; D006801:Humans; D007044:Hysterectomy; D008197:Lymph Node Excision; D008207:Lymphatic Metastasis; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local / Q000473:pathology; D009367:Neoplasm Staging; D009944:Organoplatinum Compounds / Q000008:administration & dosage / Q000627:therapeutic use*; D011182:Postoperative Care; D011879:Radiotherapy Dosage; D012189:Retrospective Studies; D002583:Uterine Cervical Neoplasms / Q000188:drug therapy* / Q000473:pathology / Q000532:radiotherapy* / Q000601:surgery
D000970:Antineoplastic Agents; D009944:Organoplatinum Compounds; C053989:nedaplatin