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Korean Journal of Obstetrics & Gynecology 2006;49(3):572-579.
Published online March 1, 2006.
Prognostic factors of cervical cancer stage IB2 treated surgically.
Hea Young Oh, Sung Wook Jun, Hyun Suk Rho, Kwang Beom Lee, Jin Woo Shin, Jong Min Lee, Chan Yong Park
Department of Obstetrics and Gynecology, Gachon Medical School, Gil Hospital, Incheon, Korea. kgo02@hanmail.net
This study was performed to identify pathologic and clinical risk factors that predicted survival in cervical cancer stage IB2 patients treated surgically. METHODS: The records of 52 patients with cervical cancer IB2 who underwent radical hysterectomy with pelvic lymph node dissection from 1997 to 2003 were reviewed retrospectively. Clinical and pathologic variables included age, tumor size (TS), histologic type, involvement of resection margin, parametrium invasion, lymph node metastasis (LN), lymph-vascular space invasion, depth of invasion, treatment modality and adjuvant radiation therapy (RTx). Survival analyses were performed by the Kaplan-Meier curves and the log-rank test. Independent prognostic factors were determined by Cox's proportional hazards model. RESULTS: In the present study, median follow up was 46.5 months. With regard to the 2-year disease free survival rate and the 5-year survival rate, univariate analysis revealed no significant differences in subgroups according to age, histologic type, resection margin, parametrium, lymph-vascular space invasion, depth of invasion and treatment modality. Tumor size (p=0.0024), lymph node metastasis (p=0.0007) and radiation therapy (p=0.0398) significantly affected the 2-year disease free survival rate in univariate analysis. They (TS: p=0.0001, LN: p=0.0023, RTx: p=0.0428) also significantly affected 5-year survival rate in univariate analysis. Tumor size (RR 35.87, CI 2.94-438.26, p=0.01) and lymph node metastasis (RR 16.6, CI 1.36-202.05, p=0.03) affected 5-year survival rate in multivariate analysis. CONCLUSION: In patients with cervical cancer stage IB2 who underwent operation regardless adjuvant radiation therapy, the important independent prognostic factors were tumor size and LN metastasis.
Key Words: Cervical cancer, Stage IB2, Survival, Prognostic factors

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