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{{Atypical teratoid rhabdoid tumor}}
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{{Atypical teratoid rhabdoid tumor}}
==Overview==
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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>
*Brain MRI may be helpful in the diagnosis of atypical teratoid rhabdoid tumor.
{{cite journal |author=Meyers SP, Khademianc ZP, Biegeld JA, Chuange SH, Koronesb DN, Zimmerman RA |title=Primary Intracranial Atypical Teratoid/Rhabdoid Tumors of Infancy and Childhood: MRI Features and Patient Outcomes |journal=American Journal of Neuroradiology |volume=27 |issue=5 |pages=962-971 |year=2006 |month=May |url=http://www.ajnr.org/cgi/content/full/27/5/962 | accessdate = 2008-05-05 }}</ref>. MRI of the [[Vertebral column|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.
Findings on MRI suggestive of atypical teratoid rhabdoid tumor are tabulated below:<ref name=mriatrt1>MRI brain radiographic features of Atypical teratoid/rhabdoid tumour. Dr Bruno Di Muzio and A.Prof Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/atypical-teratoidrhabdoid-tumour. Accessed on December 16, 2015</ref>
 
Solid parts of the tumor often enhance with contrast MRI finding on [[Relaxation (NMR)|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.  [[Magnetic Resonance Imaging|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==
==References==
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Revision as of 14:26, 16 December 2015

Atypical teratoid rhabdoid tumor Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]

Overview

MRI

  • Brain MRI may be helpful in the diagnosis of atypical teratoid rhabdoid tumor.

Findings on MRI suggestive of atypical teratoid rhabdoid tumor are tabulated below:[1]

References

  1. ↑ MRI brain radiographic features of Atypical teratoid/rhabdoid tumour. Dr Bruno Di Muzio and A.Prof Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/atypical-teratoidrhabdoid-tumour. Accessed on December 16, 2015

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