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Title Analysis of thallium-201 washout from parametric color coded images
Creator/Author Botvinick, E.H. ; O`Connell, W.J. ; Dae, M.W. ; Hattner, R.S. ; Schechtmann, N.M.
Publication Date1988 Mar 01
OSTI IdentifierOSTI ID: 5173005
Other Number(s)CODEN: JNMEA
Resource TypeJournal Article
Resource RelationJ. Nucl. Med. ; Vol/Issue: 29:3
Research OrgUniv. of California, San Francisco (USA)
Subject550601 -- Medicine-- Unsealed Radionuclides in Diagnostics; CARDIOVASCULAR DISEASES-- DIAGNOSIS;HEART-- RADIOISOTOPE SCANNING;IMAGE PROCESSING-- THALLIUM 201; COLOR;IMAGES;PATIENTS;PERFUSED ORGANS
Related SubjectBETA DECAY RADIOISOTOPES;BODY;CARDIOVASCULAR SYSTEM;COUNTING TECHNIQUES;DAYS LIVING RADIOISOTOPES;DISEASES;ELECTRON CAPTURE RADIOISOTOPES;HEAVY NUCLEI;ISOMERIC TRANSITION ISOTOPES;ISOTOPES;NUCLEI;ODD-EVEN NUCLEI;OPTICAL PROPERTIES;ORGANOLEPTIC PROPERTIES;ORGANS;PHYSICAL PROPERTIES;PROCESSING;RADIOISOTOPES;SECONDS LIVING RADIOISOTOPES;THALLIUM ISOTOPES
Description/Abstract We developed a parametric washout image which color codes regional washout, and blindly compared enhanced perfusion images in multiple projections with regional washout graphs and images in 25 patients.^Washout images permitted true spatial and anatomic assessment of regions viewed en face as well as those seen in tangent, making possible the exclusion of non-coronary irregularities and permitting evaluation of washout over the apparent cavity.^Cavitary washout was abnormal in 10 of 12 patients with apparent cavitary dilation on the post stress image, but in none without this finding.^The distribution and rotation of washout abnormalities seen over the cavity when viewed en face, and the long delay between the termination of stress and post-exercise image acquisition, suggest that apparent cavitary dilation is often related to improved visibility of the /sup 201/T1 deficient blood pool due to relative ischemia of the overlying myocardial wall.
Country of PublicationUnited States
LanguageEnglish
FormatPages: 302-310
System Entry Date2001 May 13

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