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  • Title: Extent of disease as an indication for pelvic radiation following radical hysterectomy and bilateral pelvic lymph node dissection in the treatment of stage IB and IIA cervical carcinoma.
    Author: Monk BJ, Cha DS, Walker JL, Burger RA, Ramsinghani NS, Manetta A, DiSaia PJ, Berman ML.
    Journal: Gynecol Oncol; 1994 Jul; 54(1):4-9. PubMed ID: 8020837.
    Abstract:
    The role of adjuvant pelvic radiation following radical hysterectomy and pelvic lymph node dissection in the treatment of stage IB and IIA cervical cancer is controversial. Patients most likely to benefit from postoperative radiation include those with lesions that invade deeply into the cervical stroma, extend into the parametria, or have metastasized to regional lymph nodes. Between 1977 and 1987, 95 patients were treated with this combined regimen at the University of California Irvine Medical Center and Long Beach Memorial Medical Center, including 30 patients with deep cervical stromal invasion alone, 9 patients with parametrial extension alone, 37 patients with lymph node metastasis alone, and 19 patients with both positive nodes and parametrial extension. The estimated 5-year survival for this high-risk population was 67%. Pelvic recurrences alone occurred in 12 (13%) patients, and 14 additional patients (15%) recurred outside of the radiation field. In the node-positive group, the 5-year survival was 78% when the parametrium was not involved but decreased to 39% when parametrial extension was documented (P < 0.05). Patients with grossly involved nodes or multiple nodal metastases were also more likely to recur. Finally, the estimated 5-year survival for patients with deep cervical stromal invasion as the sole indication for radiotherapy was 73%. A retrospective analysis identified tumor grade and cell type also to be of prognostic importance. Severe complications attributable to radiation combined with radical surgery included two small bowel obstructions and one urinary tract fistula. These data suggest that radical hysterectomy, pelvic lymphadenectomy, and adjuvant radiotherapy produce favorable survival results with limited morbidity in patients with high-risk cervical cancer independent of node status except in that subset of patients with both occult parametrial spread and nodal metastasis.
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