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  • Title: Microvascular right-to-left pulmonary shunt demonstrated by a radionuclide method.
    Author: Kjøller E, Pedersen F, Svendsen TL, Sørensen SS.
    Journal: J Nucl Med; 1991 Jan; 32(1):139-40. PubMed ID: 1988619.
    Abstract:
    A 37-yr-old man with angiolymphoid hyperplasia (Kimura's syndrome), who had been treated unsuccessfully for suspected asthma, was investigated due to a decrease in arterial oxygen saturation (86%). Right heart catheterization and angiography of the pulmonary artery failed to demonstrate any right-to-left shunts. However, simultaneous scintigraphy over the lungs, kidneys, and head after injection of 150 MBq technetium-99m-labeled macroaggregated albumin i.v. and inhalation of 150 MBq krypton-81m demonstrated a right-to-left shunt in the lungs probably caused by precapillary pulmonary arteriovenous shunts.
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