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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Malignant peripheral nerve sheath tumor MRI

Introduction

Overview

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

MRI

  • MRI may be diagnostic of malignant peripheral nerve sheath tumor.[1]
  • Findings on MRI include:
  • 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

References

  1. ↑ 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
  2. ↑ 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.
  3. ↑ 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.

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Marjan Khan M.B.B.S.[2]