Malignant peripheral nerve sheath tumor MRI
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Marjan Khan M.B.B.S.[2]
Overview
MRI may be diagnostic of malignant peripheral nerve sheath tumor. Findings on MRI suggestive of malignant peripheral nerve sheath tumor include isointense on T1 weighted image and low signal on T2 weighted image.[1]
MRI
- T1 weighted image:
- Usually isointense to muscle
- Heterogeneous signal on T1 may useful in differentiating from a neurofibroma.[2]
- T2 weighted image:
- Low signal due to high collagen content[3]
References
- ↑ 1.0 1.1 Schwannoma.Dr Tim Luijkx and Dr Sara Wein et al. Dr Mohammad Taghi Niknejad and Dr Yuranga Weerakkody et al. Radiopaedia.org 2015. http://radiopaedia.org/articles/schwannoma
- ↑ Wasa J, Nishida Y, Tsukushi S, Shido Y, Sugiura H, Nakashima H; et al. (2010). “MRI features in the differentiation of malignant peripheral nerve sheath tumors and neurofibromas”. AJR Am J Roentgenol. 194 (6): 1568–74. doi:10.2214/AJR.09.2724. PMID 20489098.
- ↑ Rha SE, Byun JY, Jung SE, Chun HJ, Lee HG, Lee JM (2003). “Neurogenic tumors in the abdomen: tumor types and imaging characteristics”. Radiographics. 23 (1): 29–43. doi:10.1148/rg.231025050. PMID 12533638.
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