Venous clots: Evaluation with MR imaging

S. Rapoport, H. D. Sostman, C. Pope, C. M. Camputaro, W. Holcomb, J. C. Gore

Research output: Contribution to journalArticlepeer-review

70 Scopus citations


In vitro and in vivo studies were performed to determine the proton relaxation and imaging characteristics of static blood and acute and organized clot in canine jugular veins. In vivo, it was found that two inversion recovery sequences using a short inversion time (100 msec) demonstrated better differentiation of signal intensity of intravascular clot from surrounding soft tissues than did standard T1- and T2-weighted sequences. In vitro, quantitative measurements showed marked reduction of both T1 and T2 relaxation time of acute clot compared with stagnant blood. In addition, the T1 relaxation time, and to a lesser extent the T2 relaxation time, shortened as the clot aged, indicating a potential role for magnetic resonance imaging in determining the age of venous thrombi.

Original languageEnglish (US)
Pages (from-to)527-530
Number of pages4
Issue number2
StatePublished - 1987

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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