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Titolo:
IMPROVED CONTRAST OF ENHANCING BRAIN-LESIONS ON POSTGADOLINIUM, T1-WEIGHTED SPIN-ECHO IMAGES WITH USE OF MAGNETIZATION-TRANSFER
Autore:
FINELLI DA; HURST GC; GULLAPALI RP; BELLON EM;
Indirizzi:
CASE WESTERN RESERVE UNIV,SCH MED,DEPT RADIOL,2500 METRO HLTH DR CLEVELAND OH 44109 CASE WESTERN RESERVE UNIV,SCH MED,DEPT CHEM CLEVELAND OH 44109 CASE WESTERN RESERVE UNIV,SCH MED,METROHEALTH MED CTR CLEVELAND OH 44109 PICKER INT,DIV NMR HIGHLAND HTS OH 00000
Titolo Testata:
Radiology
fascicolo: 2, volume: 190, anno: 1994,
pagine: 553 - 559
SICI:
0033-8419(1994)190:2<553:ICOEBO>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTRACRANIAL TUMORS; GADOPENTETATE DIMEGLUMINE; ANGIOGRAPHY; DTPA;
Keywords:
BRAIN NEOPLASMS, MR; GADOLINIUM; MAGNETIC RESONANCE (MR), MAGNETIZATION TRANSFER CONTRAST; MAGNETIC RESONANCE (MR), PULSE SEQUENCES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
D.A. Finelli et al., "IMPROVED CONTRAST OF ENHANCING BRAIN-LESIONS ON POSTGADOLINIUM, T1-WEIGHTED SPIN-ECHO IMAGES WITH USE OF MAGNETIZATION-TRANSFER", Radiology, 190(2), 1994, pp. 553-559

Abstract

PURPOSE: To prove that the contrast of enhancing brain lesions on post-gadolinium T1-weighted spin-echo (SE) images can be statistically significantly improved with magnetization-transfer (MT) indirect saturation. MATERIALS AND METHODS: The contrast-to-noise ratios (C/Ns) of 201enhancing brain lesions in 110 patients were compared on conventionaland MT T1-weighted SE images obtained at 1.5 T after injection of 0.05-0.10 mmol/kg gadopentetate dimeglumine or gadodiamide. RESULTS: The MT T1-weighted SE images showed a 37% reduction in signal intensity ofbackground white matter and thereby provided a 108% improvement in the C/N of enhancing brain lesions over the conventional T1-weighted SE images (P < .001). CONCLUSION: The C/Ns obtained with single-dose gadolinium and the MT T1-weighted SE technique were twice those obtained with the conventional technique and are at least equivalent to reportedvalues obtained with triple-dose gadolinium and conventional T1-weighted SE images.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/12/20 alle ore 00:17:48