title: Comparison of diagnostic studies in the pretreatment evaluation of stage Ib carcinoma of the cervix.
abstract: The results of our study highlight the need for change in the pretreatment workup of clinical stage Ib cervical cancer. The routine use of excretory urography, barium enema, cystoscopy,and sigmoidoscopy is not justified. MR evaluation is recommended in patients with lesions larger than 2 cm (the group with the greatest increase in predictive value). Although CT scanning is not recommended for the evaluation of parametrial invasion, both CT scanning and MR imaging provide similar positive and negative posttest probabilities for the evaluation of nodal disease.
authors.affiliation: Department of Radiology, School of Medicine, University of California, San Francisco 94143-0628, USA.
authors.forename: H
authors.initials: H
authors.lastname: Hricak
authors.forename: K K
authors.initials: KK
authors.lastname: Yu
authors.forename: C B
authors.initials: CB
authors.lastname: Powell
authors.forename: L L
authors.initials: LL
authors.lastname: Subak
authors.forename: J
authors.initials: J
authors.lastname: Stem
authors.forename: R L
authors.initials: RL
authors.lastname: Arenson
mesh_terms: D001499:Bayes Theorem; D003362:Cost-Benefit Analysis; D003952:Diagnostic Imaging / Q000191:economics*; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008279:Magnetic Resonance Imaging / Q000191:economics; D009367:Neoplasm Staging / Q000191:economics; D011336:Probability; D012680:Sensitivity and Specificity; D016896:Treatment Outcome; D002583:Uterine Cervical Neoplasms / Q000175:diagnosis* / Q000191:economics / Q000473:pathology