Atypical teratoid rhabdoid tumor CT: Difference between revisions
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
CT
The initial diagnosis of a tumor is made with a radiographic study (MRI[1] or CT-). If CT was performed first, a MRI is usually performed as the images are often more detailed and may reveal previously undetected metastatic tumors in other locations of the brain.
The tumors' appearance on CT and MRI are nonspecific, tending towards large size, calcifications, necrosis (tissue death),and hemorrhage (bleeding). Radiological studies alone cannot identify AT/RT; a pathologist almost always has to evaluate a brain tissue sample.
The increased cellularity of the tumor may make the appearance on an uncontrasted CT to have increased attenuation.
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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