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Journal of Clinical Oncology, Vol 23, No 30 (October 20), 2005: pp. 7454-7459 © 2005 American Society of Clinical Oncology. DOI: 10.1200/JCO.2004.00.5397 Utilization of Diagnostic Studies in the Pretreatment Evaluation of Invasive Cervical Cancer in the United States: Results of Intergroup Protocol ACRIN 6651/GOG 183From the Department of Radiology, University of Miami Medical School, Miami, FL; Department of Radiology, Memorial Sloan-Kettering Cancer Center, New York, NY; Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, PA; Center for Statistical Sciences, Brown University, Providence, RI; Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY; Department of Medical Oncology, Mayo Clinic, Rochester, MN; College of Medicine Division of Gynecologic Oncology, Lee Moffitt Cancer Center, Tampa, FL Address reprint requests to Hedvig Hricak MD, PhD, Department of Radiology, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY, 10021; e-mail: hricakh{at}mskcc.org PURPOSE: To review the current utilization of diagnostic tests prescribed by the International Federation of Gynecology and Obstetrics (FIGO) clinical staging guidelines in the pretreatment work-up of invasive cervical cancer, and to compare the data with those of previous patterns of care studies. PATIENTS AND METHODS: This interdisciplinary American College of Radiology Imaging Network/Gynecologic Oncology Group prospective clinical trial was conducted between March 1, 2000, and November 11, 2002. Twenty-five participating institutions, all from the United States, enrolled a total of 208 patients. Only patients scheduled for surgery with biopsy-confirmed cervical cancer of clinical FIGO stage IB or higher were eligible. The patterns of care data analysis was based on 197 patients who met all inclusion criteria. The conventional FIGO-recommended tests used for pre-enrollment FIGO clinical stage classification were at the discretion of the treating physician; overall frequency of use was tabulated for each test. RESULTS: Use of cystoscopy (8.1%) and sigmoidoscopy or proctoscopy (8.6%) was significantly lower than in 1988 to 1989 (P < .0001 in each instance). Intravenous urography was used in only 1% of patients as compared with 42% in 1988 to 1989 and 91% in 1983. No patient included in the data analysis had barium enema or lymphangiography. Only 26.9% of patients had examination under anesthesia for FIGO clinical staging. CONCLUSION: There is a large discrepancy between the diagnostic tests recommended by FIGO and the actual tests used for cervical cancer staging, suggesting a need to reassess the relevance of the FIGO guidelines to current clinical practice in the United States. Supported by Grants No. U01 CA07978 and U01 CA80098 from the National Cancer Institute. ACRIN and GOG participated in the study design, data analysis, the critical revision of the report, and the decision to submit for publication. Authors' disclosures of potential conflicts of interest are found at the end of this article.
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Copyright © 2005 by the American Society of Clinical Oncology, Online ISSN: 1527-7755. Print ISSN: 0732-183X
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