Document Detail


Renal ultrasound using parametric imaging techniques to detect changes in microstructure and function.
MedLine Citation:
PMID:  8376004     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
RATIONALE AND OBJECTIVES: Signal processing techniques have been used to generate parametric ultrasound images that describe properties of tissue microstructure. METHODS: Images of the average scatterer size (D) and integrated backscatter coefficient (IBC) for normal dog kidneys were examined. RESULTS: With parametric ultrasound the authors identified sources of cortical backscatter and observed microanatomical changes corresponding to ischemia. In particular, scatterer size images acquired in vitro and in vivo show it is possible to rapidly assess changes and differences in the average glomerular diameter and the average arteriolar cross-sectional diameter. CONCLUSIONS: A more direct interpretation of sonographic image data is possible with this new type of imaging. Parametric imaging may have a diagnostic role as a means to differentiate among conditions producing increased cortical echogenicity and to detect important structural indicators such as glomerular hypertrophy.
Authors:
M F Insana; T J Hall; J G Wood; Z Y Yan
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Publication Detail:
Type:  Comparative Study; In Vitro; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Investigative radiology     Volume:  28     ISSN:  0020-9996     ISO Abbreviation:  Invest Radiol     Publication Date:  1993 Aug 
Date Detail:
Created Date:  1993-10-21     Completed Date:  1993-10-21     Revised Date:  2010-03-24    
Medline Journal Info:
Nlm Unique ID:  0045377     Medline TA:  Invest Radiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  720-5     Citation Subset:  IM    
Affiliation:
Department of Diagnostic Radiology, University of Kansas Medical Center, Kansas City.
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MeSH Terms
Descriptor/Qualifier:
Animals
Chi-Square Distribution
Dogs
Kidney / physiology,  ultrasonography*,  ultrastructure
Male
Scattering, Radiation
Signal Processing, Computer-Assisted* / instrumentation
Ultrasonography / instrumentation,  methods*,  statistics & numerical data
Grant Support
ID/Acronym/Agency:
DK43007/DK/NIDDK NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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