Medline: 1623479

Cancer 70(3): 648-655, 1992.

Results of surgical treatment of 1028 cervical cancers studied with volumetry.

Burghardt E, Baltzer J, Tulusan AH, et al.



The clinical staging system of cervical cancer according to the International Federation of Gynecology and Obstetrics (FIGO) entails a large measure of subjectivity. This study analyzed the results of 1028 patients with cervical cancer at three reference centers. All patients had radical surgery, and all surgical specimens were processed as histologic giant sections with precise volumetry of the tumor.

The interpretation of the histologic findings of parametrial invasion, vascular involvement, and lymph node involvement was found to differ somewhat among the three centers. However, all these findings were associated with tumor size. Survival rates correlated more consistently with tumor volume than with clinical or histologic stage. Five-year survival rates ranged from 91% for patients with tumors smaller than 2.5 cm3 to 70% for those with tumors 10-50 cm3. The 5-year survival rate of 24 patients with tumors larger than 50 cm3 (71% of whom had lymph nodes with positive findings) was 48%. Survival rates were identical among the three centers for patients with tumors smaller than 10 cm3, despite different degrees of surgical radicality. In contrast, more radical surgery was associated with significantly better survival rates in patients with larger tumors.

The results of this study indicate that volumetry of the tumor permits a more accurate assessment of therapeutic results in patients with cervical cancer than does the FIGO classification. Pretherapeutic assessment of tumor volume is possible with magnetic resonance imaging. It seems that maximum parametrial resection is not necessary for patients with smaller tumors (smaller than 10 cm3), but truly radical surgery in patients with bulky tumors achieves better results than those usually expected in Stage IIb cervical cancer and at least comparable to those of radiation therapy.

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Dr. G. Quade