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CHICAGO -- Magnetic resonance imaging offers valuable information following transvaginal ultrasound diagnosis of adenomyosis, Dr. Thomas Zacharia reported at the annual meeting of the Radiological Society of North America.
Recent studies have suggested that transvaginal ultrasound (TVUS) approaches pelvic MRI in sensitivity and specificity for the diagnosis of adenomyosis. A retrospective review found that MRI gave important added value after TVUS diagnosis of adenomyosis in 88% of subjects.
MRI provided supplementary diagnostic information in 44% of patients, provided a diagnostic alternative in 33% of patients, and otherwise called into question the TVUS diagnosis in 11% of patients.
"Ultrasound should continue as a screening tool, [but] MRI should follow if ultrasound is suspicious," said Dr. Zacharia, a research fellow at Harvard Medical School, Boston, where the study was conducted.
A total of 65 patients with adenomyosis suspicious on ultrasound underwent static pelvic MRI exams within 30 days of TVUS between Jan. 1, 2001, and Jan. 1, 2003. Eight patients were excluded from the study based on a lack of sonographic criteria. The 57 remaining subjects were aged 36-53 years, with a mean of 46 years.
TVUS was considered diagnostic for adenomyosis if at least three of the ...
Source: HighBeam Research, MRI adds value after transvaginal ultrasound diagnosis of...