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Year : 2014  |  Volume : 19  |  Issue : 2  |  Page : 159-163

Role of GRE imaging in cerebral diseases with hemorrhage: A case series

1 Department of Radiodiagnosis, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
2 Department of Radiodiagnosis, Maharishi Markendeshwar Institute of Medical Sciences and Research, Mullana, Haryana, India

Correspondence Address:
Kamini Gupta
Department of Radiodiagnosis, Dayanand Medical College and Hospital, Ludhiana, Punjab
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-9903.138445

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Gradient recalled echo (GRE) T2 weighted imaging is more widely used as a standard magnetic resonance (MR) pulse sequence because of its exquisite sensitivity for detection of cerebral hemorrhages. Signal loss on GRE sequence is due to increased sensitivity of this sequence to magnetic susceptibility induced by static field inhomogeneities arising from paramagnetic blood breakdown products. T2 * signal intensity loss seen in GRE sequence is greater with longer TE, smaller flip angle, and larger magnetic field strength. The purpose of this review is to discuss the role of GRE imaging in cerebral disorders with bleed. Because of the sensitivity of this sequence to microbleeds, we describe its edge over baseline imaging sequences to provide insight in the etiology of certain diseases.

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