Asthma other imaging findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:  Lakshmi Gopalakrishnan, M.B.B.S. [2]

## Overview[edit | edit source]

Radio-aerosol lung scintigraphy with technetium has been shown to precisely evaluate the extent of aerosol and particulate distribution and absorption through the entire air passage. In asthmatics receiving dry-powder inhalers as opposed to metered-dose inhalers, technetium scintigraphy may be used to demonstrate improved peripheral lung distribution of steroids. Ventilation defects may also be detected using technetium-99m DTPA.

## Other Imaging Findings[edit | edit source]

Radio-aerosol lung scintigraphy with technetium has been shown to precisely evaluate the extent of aerosol and particulate distribution and absorption through the entire air passage. In asthmatics receiving dry-powder inhalers as opposed to metered-dose inhalers, technetium scintigraphy may be used to demonstrate improved peripheral lung distribution of steroids. Ventilation defects may also be detected using technetium-99m DTPA.

## References[edit | edit source]

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