Perfusion MR Imaging: Clinical Utility for the Differential Diagnosis of Various Brain Tumors
Korean Journal of Radiology
;
: 171-179, 2002.
Artigo
em Inglês
| WPRIM
| ID: wpr-207031
ABSTRACT
OBJECTIVE:
To determine the utility of perfusion MR imaging in the differential diagnosis of brain tumors. MATERIALS ANDMETHODS:
Fifty-seven patients with pathologically proven brain tumors (21 high-grade gliomas, 8 low-grade gliomas, 8 lymphomas, 6 hemangioblastomas, 7 metastases, and 7 various other tumors) were included in this study. Relative cerebral blood volume (rCBV) and time-to-peak (TTP) ratios were quantitatively analyzed and the rCBV grade of each tumor was also visually assessed on an rCBV map.RESULTS:
The highest rCBV ratios were seen in hemangioblastomas, followed by high-grade gliomas, metastases, low-grade gliomas, and lymphomas. There was no significant difference in TTP ratios between each tumor group (p<0.05). At visual assessment, rCBV was high in 17 (81%) of 21 high-grade gliomas and in 4 (50%) of 8 low-grade gliomas. Hemangioblastomas showed the highest rCBV and lymphomas the lowest.CONCLUSION:
Perfusion MR imaging may be helpful in the differentiation of thevarious solid tumors found in the brain, and in assessing the grade of the various glial tumors occurring there.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Fatores de Tempo
/
Volume Sanguíneo
/
Encéfalo
/
Neoplasias Encefálicas
/
Imageamento por Ressonância Magnética
/
Análise de Variância
/
Angiografia por Ressonância Magnética
/
Diagnóstico Diferencial
/
Pessoa de Meia-Idade
Tipo de estudo:
Estudo diagnóstico
Limite:
Adolescente
/
Adulto
/
Idoso
/
Aged80
/
Feminino
/
Humanos
/
Masculino
Idioma:
Inglês
Revista:
Korean Journal of Radiology
Ano de publicação:
2002
Tipo de documento:
Artigo
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