Objective. This investigation attempted to clarify the value of preoperative serum CA125 in predicting histopathological prognostic factors for early-stage cervical adenocarcinoma without lymph node metastasis. Methods. This study initially surveyed 163 patients with clinical stage Ib or IIa cervical adenocarcinoma treated with radical hysterectomy and pelvic lymphadenectomy. Of the 163 patients, 116 had preoperative serum CA125 levels, and 14 had pelvic lymph node metastasis. The investigation group comprised 102 lymph node-negative patients. Results. A cutoff value of 26 U/ml was obtained after the discriminant function analysis for identifying patients with positive lymph vascular space invasion (LVSI) or depth of stromal invasion ≥ 2/3 thickness. Multivariate analysis revealed that among the preoperative clinicopathological variables, including age, tumor size, parametrial invasion, and CA125 level, raised CA125 most significantly influenced the assessment of the LVSI (P = 0.040) and depth of cervical stromal invasion (P = 0.002). Conclusions. In early-stage cervical adenocarcinoma with negative pelvic lymph node metastasis, preoperative serum CA125 levels at the cutoff value of 26 U/ml impacted the determination of the poor histopatho-logical prognostic factors.
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