Glioma MRI: Difference between revisions
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[[Pilocytic astrocytoma]] | [[Pilocytic astrocytoma]] | ||
| style="padding: 5px 5px; background: #F5F5F5;" | | | style="padding: 5px 5px; background: #F5F5F5;" | | ||
:1. T1: iso- to hypointense solid component | :1. '''T1''': iso- to hypointense solid component | ||
:2. T2: hyperintense solid component | :2. '''T2''': hyperintense solid component | ||
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| style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" | | | style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" | | ||
[[Astrocytoma|Low-grade astrocytoma]] | [[Astrocytoma|Low-grade astrocytoma]] | ||
| style="padding: 5px 5px; background: #F5F5F5;" | | | style="padding: 5px 5px; background: #F5F5F5;" | | ||
:1. T1: | :1. '''T1''': | ||
:*Isointense to hypointense | :*Isointense to hypointense | ||
:*Confined to the [[white matter]] and causes expansion of the adjacent cortex | :*Confined to the [[white matter]] and causes expansion of the adjacent cortex | ||
:2. T2/FLAIR: | :2. '''T2/FLAIR''': | ||
:*Mass-like hyperintense signals | :*Mass-like hyperintense signals | ||
:*Confined to the [[white matter]] and causes expansion of the adjacent cortex | :*Confined to the [[white matter]] and causes expansion of the adjacent cortex | ||
Line 34: | Line 34: | ||
:*Microcystic changes along the line of spread | :*Microcystic changes along the line of spread | ||
:*High T2 signal (not related to cellularity or cellular [[atypia]], but rather [[edema]], [[demyelination]], and other degenerative changes) | :*High T2 signal (not related to cellularity or cellular [[atypia]], but rather [[edema]], [[demyelination]], and other degenerative changes) | ||
:3. DWI: | :3. '''DWI''': | ||
:*No restricted diffusion | :*No restricted diffusion | ||
:*Increased diffusibility | :*Increased diffusibility | ||
:4. T1 C+ (Gd): | :4. '''T1 C+ (Gd)''': | ||
:*No enhancement | :*No enhancement | ||
:5. MR spectroscopy: | :5. '''MR spectroscopy''': | ||
:*Tumor will show elevated [[choline]] peak, low NAA peak, elevated [[choline]]:[[creatine]] ratio | :*Tumor will show elevated [[choline]] peak, low NAA peak, elevated [[choline]]:[[creatine]] ratio | ||
:*Lack of the [[lactate]] peak | :*Lack of the [[lactate]] peak | ||
:6. MR perfusion: | :6. '''MR perfusion''': | ||
:*No elevation of rCBV | :*No elevation of rCBV | ||
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Revision as of 19:06, 22 September 2015
Glioma Microchapters |
Diagnosis |
---|
Treatment |
Case Studies |
Glioma MRI On the Web |
American Roentgen Ray Society Images of Glioma MRI |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2], Sujit Routray, M.D. [3]
Overview
Brain MRI may be diagnostic of glioma.[1][2][3][4][5][6]
MRI
Brain MRI may be diagnostic of glioma.[1][2][3][4][5][6]
Type of glioma | CT findings |
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References
- ↑ 1.0 1.1 Radiological findings of pilocytic astrocytoma. Radiopaedia.org 2015. http://radiopaedia.org/articles/pilocytic-astrocytoma
- ↑ 2.0 2.1 Radiological findings of low grade infiltrative astrocytoma. http://radiopaedia.org/articles/low-grade-infiltrative-astrocytoma
- ↑ 3.0 3.1 Radiological findings of anaplastic astrocytoma. http://radiopaedia.org/articles/anaplastic-astrocytoma
- ↑ 4.0 4.1 Radiological findings of glioblastoma. http://radiopaedia.org/articles/glioblastoma
- ↑ 5.0 5.1 Radiological findings of oligodendroglioma. http://radiopaedia.org/articles/oligodendroglioma
- ↑ 6.0 6.1 Radiological findings of ependymoma. Radiopaedia.org 2015. http://radiopaedia.org/articles/ependymoma