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Prospective Comparison of Indirect CT Venography Versus Venous Sonography in ICU Patients

¹ All authors: Department of Radiology, Medical University of South Carolina, 169 Ashley Ave., Rm. 297, PO Box 250322, Charleston, SC 29425.

View larger version (130K): [in a new window]   Fig. 1A —66-year-old woman with deep venous thrombosis on CT and sonography. Axial CT image reveals filling defect in left superficial femoral vein (arrow).

View larger version (67K): [in a new window]   Fig. 1B —66-year-old woman with deep venous thrombosis on CT and sonography. Color Doppler sonogram reveals absence of flow. LSFV = left superficial femoral vein.

View larger version (107K): [in a new window]   Fig. 2A —49-year-old woman with pulmonary embolus and deep venous thrombosis. Axial CT image through pulmonary arteries reveals filling defect in right lower lobe artery (arrow). Note also peripheral pulmonary infarct (I).

View larger version (135K): [in a new window]   Fig. 2B —49-year-old woman with pulmonary embolus and deep venous thrombosis. Axial CT image through right lower extremity reveals thrombus in right superficial femoral vein (arrow).

View larger version (84K): [in a new window]   Fig. 2C —49-year-old woman with pulmonary embolus and deep venous thrombosis. Color Doppler sonogram, considered false-negative, reveals thrombus in right superficial femoral vein.

View larger version (66K): [in a new window]   Fig. 3A —84-year-old man with deep venous thrombosis. Color Doppler sonogram reveals absent flow in right popliteal vein (R POP V).

View larger version (114K): [in a new window]   Fig. 3B —84-year-old man with deep venous thrombosis. Axial CT image, considered false-negative, at same level as A fails to show evidence of filling defect. Segment was considered technically inadequate because of poor enhancement.

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