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CO2 Splenoportography: Preliminary Results

¹ Department of Radiology, University of Florida College of Medicine, 1600 S.W. Archer Rd., P. O. Box 100374, Gainesville, FL 32610-0374.
² Department of Radiology, University of Michigan Health System, 1500 E. Medical Center Dr., Ann Arbor, MI 48109-0001.
³ Department of Surgery, University of Florida College of Medicine, P. O. Box 110240, Gainesville, FL 32610-0240.
⁴ Department of Radiology, North Florida Regional Medical Center, I-75 and Newberry Rd., Gainesville, FL 32614.

OBJECTIVE. Previously, splenoportography with 18-gauge needles provided excellent portal imaging. However, because of concern about bleeding, this technique was replaced with arterial portography and noninvasive techniques, which are not always accurate. We present a modification of splenoportography using CO₂ and an ultrafine needle in eight patients whose previous imaging studies were inconclusive.

CONCLUSION. CO₂ splenoportography is safe and expedient and provides adequate visualization of the portal system for surgical planning in selected patients.

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