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Titolo:
METASTATIC LESIONS OF THE BRAIN - IMAGING WITH MAGNETIZATION-TRANSFER
Autore:
BOORSTEIN JM; WONG KT; GROSSMAN RI; BOLINGER L; MCGOWAN JC;
Indirizzi:
HOSP UNIV PENN,DEPT RADIOL,NEURORADIOL SECT,3400 SPRUCE ST PHILADELPHIA PA 19104 HOSP UNIV PENN,DEPT RADIOL,NEURORADIOL SECT PHILADELPHIA PA 19104 HOSP UNIV PENN,DEPT RADIOL,METAB MAGNET RESONANCE RES SECT PHILADELPHIA PA 19104
Titolo Testata:
Radiology
fascicolo: 3, volume: 191, anno: 1994,
pagine: 799 - 803
SICI:
0033-8419(1994)191:3<799:MLOTB->2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
CENTRAL NERVOUS-SYSTEM; TRANSFER CONTRAST; GD-DTPA; COMPUTED-TOMOGRAPHY; CEREBRAL METASTASES; STEREOTACTIC BIOPSY; MULTIPLE-SCLEROSIS; WHITE MATTER; TUMORS; MR;
Keywords:
BRAIN NEOPLASMS, MR; BRAIN, WHITE MATTER; MAGNETIC RESONANCE (MR), MAGNETIZATION TRANSFER; CONTRAST;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
37
Recensione:
Indirizzi per estratti:
Citazione:
J.M. Boorstein et al., "METASTATIC LESIONS OF THE BRAIN - IMAGING WITH MAGNETIZATION-TRANSFER", Radiology, 191(3), 1994, pp. 799-803

Abstract

PURPOSE: To study solitary metastatic lesions of the brain with routine spin-echo (SE) and magnetization transfer (MT) magnetic resonance (MR) imaging. MATERIALS AND METHODS: In 15 patients with such lesions, the MT ratio (MTR) was calculated in the center and at the periphery of the metastatic lesion, and distally in adjacent white matter, from the periphery of the lesion radially to the most distant cortex. It also was calculated for mirror-image locations in the opposite hemisphereto provide control values. RESULTS: MTRs were decreased in and immediately around the site of the metastatic focus. MTRs also were lower than control values far distal to the metastatic focus, even when no abnormality was seen on SE MR images obtained before and those obtained after administration of gadopentetate dimeglumine. CONCLUSION: MT enables demonstration of white matter abnormalities in patients with metastatic lesions not seen on SE MR images. These changes can be found in white matter far distal to the lesion and surrounding areas of edema.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/12/20 alle ore 01:05:30