Neurofibroma MRI: Difference between revisions
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Sara Mohsin (talk | contribs) (→MRI) |
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* Hyperintense | * Hyperintense | ||
* Homogeneous high signal intensity (higher than fat) | * Homogeneous high signal intensity (higher than fat) | ||
* Target sign ( | * Target sign (plexiform neurofibromas) | ||
** Low signal intensity centrally with a ring of high signal intensity peripherally | |||
** Due to a dense central area of collagenous stroma | |||
** Highly suggestive of neurofibroma but occasionally also seen in schwannomas and malignant peripheral nerve sheath tumors | |||
* Fascicular sign | |||
* Plexiform neurofibromas may appear as a larger and more infiltrating mass with lobulated borders with inhomogeneous enhancement | * Plexiform neurofibromas may appear as a larger and more infiltrating mass with lobulated borders with inhomogeneous enhancement | ||
* Myxoid stroma enhancement helps differentiating the high signal intensity at T2-weighted imaging from cystic change or necrosis | * Myxoid stroma enhancement helps differentiating the high signal intensity at T2-weighted imaging from cystic change or necrosis | ||
|- | |- | ||
|'''T1 with gadolinium contrast''' | |'''T1 C+ (Gd) (with gadolinium contrast)''' | ||
| | | | ||
* Heterogenous enhancement | * Heterogenous enhancement |
Revision as of 17:44, 26 March 2019
Neurofibroma Microchapters |
Diagnosis |
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Treatment |
Case Studies |
Neurofibroma MRI On the Web |
American Roentgen Ray Society Images of Neurofibroma MRI |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Mohsin, M.D.[2] Shanshan Cen, M.D. [3]
Overview
MRI may be helpful in the diagnosis of neurofibroma.
MRI
MRI sequence | Characteristics |
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T1 |
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T2 |
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T1 C+ (Gd) (with gadolinium contrast) |
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References
- ↑ Neurofibroma.Dr Bruno Di Muzio and Dr Maxime St-Amant et al. Radiopaedia.org 2015. http://radiopaedia.org/articles/neurofibroma Accessed on November 17, 2015