Atypical teratoid rhabdoid tumor MRI: Difference between revisions
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{{Atypical teratoid rhabdoid tumor}} | {{Atypical teratoid rhabdoid tumor}} | ||
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==MRI== | ==MRI== | ||
The initial diagnosis of a tumor is made with a [[Medical radiography|radiographic]] study ([[Magnetic Resonance Imaging|MRI]])<ref> | The initial diagnosis of a tumor is made with a [[Medical radiography|radiographic]] study ([[Magnetic Resonance Imaging|MRI]])<ref> | ||
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[[Category:Pediatric cancers]] | [[Category:Pediatric cancers]] | ||
[[Category:Disease]] | [[Category:Disease]] | ||
[[Category:Needs | [[Category:Needs overview]] | ||
Revision as of 19:49, 29 November 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
MRI
The initial diagnosis of a tumor is made with a radiographic study (MRI)[1]. MRI of the spine is usually performed. The AT/RT tumor often spreads to the spine. It is difficult to diagnosis AT/RT only from radiographic study; usually a pathologist must perform a cytological or genetic analysis.
Solid parts of the tumor often enhance with contrast MRI finding on T1 and T2 weighted images are variable. Pre-contrast T2 weighted images may show an iso-signal or slightly hyper-signal. Solid components of the tumor may enhance with contrast but do not always. MRI studies appear to be more able to pick up metastatic foci in other intracranial locations as well as intraspinal locations. Preoperative and followup studies are needed to detect metastatic disease.
References
- ↑
Meyers SP, Khademianc ZP, Biegeld JA, Chuange SH, Koronesb DN, Zimmerman RA (2006). "Primary Intracranial Atypical Teratoid/Rhabdoid Tumors of Infancy and Childhood: MRI Features and Patient Outcomes". American Journal of Neuroradiology. 27 (5): 962–971. Retrieved 2008-05-05. Unknown parameter
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