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PSEUDOANEURYSMS COMPLICATING ORGAN-TRANSPLANTATION - ROLES OF CT, DUPLEX SONOGRAPHY, AND ANGIOGRAPHY
PSEUDOANEURYSMS COMPLICATING ORGAN-TRANSPLANTATION - ROLES OF CT, DUPLEX SONOGRAPHY, AND ANGIOGRAPHY RADIOLOGY TOBBEN, P. J., Zajko, A. B., Sumkin, J. H., Bowen, A., Fuhrman, C. R., SKOLNICK, M. L., BRON, K. M., Esquivel, C. O., Starzl, T. E. 1988; 169 (1): 65-70Abstract
In a retrospective study of proved pseudoaneurysms (PAs) in 15 patients with transplanted organs (11 liver, three kidney, one pancreas), the results of computed tomography (CT), duplex sonography, and angiography were reviewed. Of the 15 cases of PA, eight occurred at the arterial anastomosis and seven were nonanastomotic. Three of the eight anastomotic PAs were caused by infection. Of the seven nonanastomotic PAs, four were caused by percutaneous biopsy, two were caused by infection, and one was of undetermined cause. In nine (60%) of the 15 patients the PAs were incidentally detected at imaging studies performed for other reasons. Diagnosis requires a high degree of suspicion. CT was performed in nine cases and duplex sonography in ten. The diagnosis of PA was made with CT in six (67%) patients and with duplex sonography in five (50%). CT and duplex sonography could not enable diagnosis when the PA was small, when the arterial anastomosis was not included in the field of study, or when enhancement with intravenously administered contract material was suboptimal. Angiography depicted the PAs in all 15 patients. In three liver transplant recipients with gastrointestinal tract bleeding, the causative PAs were detected only with angiography.
View details for Web of Science ID A1988Q109800013
View details for PubMedID 3047790
View details for PubMedCentralID PMC3022506