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Radiology. 2003 May;227(2):575-9. Epub 2003 Mar 27.

Distal airways in humans: dynamic hyperpolarized 3He MR imaging--feasibility.

Author information

1
Department of Radiology, Brigham and Women's Hospital, 221 Longwood Ave, Boston, MA 02115, USA.
2
Brigham & Women's Hosp, Boston, MA

Abstract

Dynamic hyperpolarized helium 3 (3He) magnetic resonance (MR) imaging of the human airways is achieved by using a fast gradient-echo pulse sequence during inhalation. The resulting dynamic images show differential contrast enhancement of both distal airways and the lung periphery, unlike static hyperpolarized 3He MR images on which only the lung periphery is seen. With this technique, up to seventh-generation airway branching can be visualized.

PMID:
12663822
DOI:
10.1148/radiol.2272012146
[Indexed for MEDLINE]

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