Atypical teratoid rhabdoid tumor MRI

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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

Brain MRI is helpful in the diagnosis of atypical teratoid rhabdoid tumor. On MRI, atypical teratoid rhabdoid tumor is characterized by iso- to slight hyperintensity on T1-weighted imaging and hyperintensity on T2-weighted imaging. There is heterogenous enhancement on contrast administration.[1]

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]
MRI component Findings

T1

Iso- to slightly hyperintense to grey matter (hemorrhagic areas can be more hyperintense)

T2

Generally hyperintense (hemorrhagic areas can be hypointense)

T1 with contrast

Heterogeneous enhancement

References

  1. 1.0 1.1 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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