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Digitale Medien

Differential diagnosis of extra-axial intracranial tumours by dynamic spin-echo MRI (1995)

Joo, Y. G. ; Korogi, Y. ; Hirai, T. ; [weitere]

Springer

Neuroradiology 37 (1995), S. 522-525

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Details

ISSN: 1432-1920

Schlagwort(e): Brain neoplasms ; Magnetic resonance imaging ; Neuroma ; Meningioma

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Abstract Dynamic MRI was performed on 22 patients with extra-axial intracranial tumours. Serial images were obtained every 30 s for 3 min using a spin-echo sequence (TR 200, TE 15 ms) after rapid injection of Gd-DTPA, 0.1 mmol/kg body weight. The contrast medium enhancement ratio (CER) was correlated with the histology of the tumours. Meningiomas and extra-axial metastases showed a sharp rise, then a gradual decline. Although both had a definite early peak of CER, metastases showed a more rapid decline. Neuromas and extra-axial lymphoma showed a slow, steady increase with no peak within 180 s. This study indicates that the CER is helpful in the differentiation of extra-axial tumours.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00593708

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