Parametric Imaging Of Digital Subtraction Angiography Studies For Renal Transplant Evaluation

Joe H. Gallagher; Thomas F. Meaney; Stuart M. Flechner; Andrew C. Novick; Edward Buonocore

doi:10.1117/12.933051

4 November 1981 Parametric Imaging Of Digital Subtraction Angiography Studies For Renal Transplant Evaluation

Joe H. Gallagher, Thomas F. Meaney, Stuart M. Flechner, Andrew C. Novick, Edward Buonocore

Proceedings Volume 0314, Digital Radiography; (1981) https://doi.org/10.1117/12.933051
Event: Conference on Digital Radiography, 1981, Palo Alto, United States

Abstract

A noninvasive method for diagnosing acute tubular necrosis and rejection would be an important tool for the management of renal transplant patients. From a sequence of digital subtraction angiographic images acquired after an intravenous injection of radiographic contrast material, the parametric images of the maximum contrast, the time when the maximum contrast is reached, and two times the time at which one half of the maximum contrast is reached are computed. The parametric images of the time when the maximum is reached clearly distinguish normal from abnormal renal function. However, it is the parametric image of two times the time when one half of the maximum is reached which provides some assistance in differentiating acute tubular necrosis from rejection.

Citation Download Citation

Joe H. Gallagher, Thomas F. Meaney, Stuart M. Flechner, Andrew C. Novick, and Edward Buonocore "Parametric Imaging Of Digital Subtraction Angiography Studies For Renal Transplant Evaluation", Proc. SPIE 0314, Digital Radiography, (4 November 1981); https://doi.org/10.1117/12.933051

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