Generation of parametric images during routine Tc-99m PYP inhalation/Tc-99m MAA perfusion lung scintigraphy. Technical note

A simple technique is described for generating ventilation/perfusion ratio and perfusion/ventilation ratio images from the posterior Tc-99m PYP aerosol inhalation and Tc-99m MAA perfusion images obtained during routine lung scintigraphy. These images highlight areas of ventilation/perfusion incongru...

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Bibliographic Details
Published in:	Clinical nuclear medicine Vol. 16; no. 7; p. 501
Main Authors:	Miron, S D, Wiesen, E J, Feiglin, D H, Cohen, A M, Bellon, E M
Format:	Journal Article
Language:	English
Published:	United States 01-07-1991
Subjects:	Aerosols Humans Image Processing, Computer-Assisted - methods Lung - diagnostic imaging Pulmonary Embolism - diagnostic imaging Radionuclide Imaging Technetium Tc 99m Aggregated Albumin Technetium Tc 99m Pyrophosphate Ventilation-Perfusion Ratio - physiology
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Summary:	A simple technique is described for generating ventilation/perfusion ratio and perfusion/ventilation ratio images from the posterior Tc-99m PYP aerosol inhalation and Tc-99m MAA perfusion images obtained during routine lung scintigraphy. These images highlight areas of ventilation/perfusion incongruence--mismatch or reverse mismatch--that may sometimes be difficult to detect on conventional images.
ISSN:	0363-9762
DOI:	10.1097/00003072-199107000-00009