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PASADENA, CALIF. -- Imaging for gynecologic cancer has been greatly improved with fusion techniques that combine the structural and anatomic information from ultrasound, MRI, and CT with metabolic clues highlighted by PET scans.
"This is really the wave of the future," Dr. Robin Farias-Eisner, professor and chief of gynecology at the University of California, Los Angeles, said at a meeting of the Obstetrical and Gynecological Assembly of Southern California.
Advances in traditional imaging techniques over the past 2 decades have been "great, but not good enough," in terms of their overall sensitivity, specificity, and accuracy, Dr. Farias-Eisner said.
A major problem has been the difficulty of identifying microscopic disease in lymph nodes using modalities that depict anatomy and structure. Lymph node metastases not only have an impact on survival, they also dictate treatment, particularly in cervical cancer.
It is here, said Dr. Farias-Eisner, that positron emission tomography with [.sup.18]fluorodeoxyglucose (FDG-PET) holds the most promise; FDG is a glucose analogue.
He displayed a magnetic resonance image of a 63-year-old ...