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REVIEW ARTICLE
Year : 2017  |  Volume : 3  |  Issue : 2  |  Page : 61-72

Intracranial T1 Weighted Hyperintense Lesions


1 MRI Division, Dr Gulati Imaging Institute, J-16 Hauz Khas Enclave, New Delhi, India
2 Maulana Azad Medical College, Bahadur, Shah Zafar Marg, New Delhi, India

Correspondence Address:
Parveen Gulati
MRI Division, Dr Gulati Imaging Institute, J-16, Hauz Khas Enclave, New Delhi 110016
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/mamcjms.mamcjms_34_17

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Most of the intracranial pathologies appear hypointense on T1-weighted images. However, there are some intracranial substances and pathological lesions that appear hyperintense on T1-weighted images. This article aims to highlight the various cranial lesions showing hyperintense signal on T1-weighted images. Various substances which are responsible for the intrinsically high signal intensity observed in intracranial lesions at T1-weighted magnetic resonance imaging such as methemoglobin, melanin, lipid, various minerals, and other will be enumerated, and how these signal changes can lead to more specific diagnoses will be discussed.


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