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Abstract #4563

Magnetic Resonance Imaging and Ultrasonography in Diagnosis of Pelvic Vein Thrombosis During Pregnancy

Michael R. Torkzad1, Katarina Bremme2, Margareta Hellgren3, Maria J. Eriksson4, Anna Hagman5, Trine Jrgensen2, Kent Lund4, Gunnel Sandgren6, Lennart Blomqvist7, Peter Klebo8

1Radiology Department, Uppsala University Hospital, Stockholm, Sweden; 2Karolinska Institutet, Woman and Child Health, Stockholm, Sweden; 3The Sahlgrenska Academy, University of Gothenburg, Institute for the Health of Women and Children, Gothenburg, Sweden; 4Karolinska Institutet, Department of Clinical Physiology, Stockholm, Sweden; 5The Sahlgrenska Academy, Institute for the Health of Women and Children, Gothenburg, Sweden; 6Sahlgrenska University Hospital/stra, Department of Clinical Physiology, Gothenburg, Sweden; 7Department of Diagnostic Radiology, Karolinska University Hospital Solna, Department of Diagnostic Radiology, Stockholm, Sweden; 8Sahlgrenska University Hospital/stra, Department of Radiology, Gothenburg, Sweden

Purpose: The agreement between ultrasonography and magnetic resonance imaging (MRI) in diagnosing the extent of pelvic deep vein thrombosis (DVT) during pregnancy was measured. Materials and methods Pelvic veins of 27 pregnant women with DVT were examined with ultrasound and MRI. Results: Three cases (11.5%) of DVT in the pelvic veins were shown only on MRI. MRI was able to detect highr thrombus extension in 65% of cases. Proportion of agreement () between ultrasound and MRI for DVT in individual veins was 0.33 (95% CI 0.27-0.40, i.e. fair agreement). Conclusion: MRI could be essential in diagnosis of pelvic DVT during pregnancy.