Intramuscular myxoma: MU features

Mark J. Kransdorf, Richard P. Moser, James S. Jelinek, Sharon W. Weiss, Peter C. Buetow, B. Hudson Berrey

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

Intramuscular myxoma is a benign mesenchymal lesion consisting of bland spindled cells embedded in an avascular myxoid stroma. On CT, intramuscular myxoma presents as a well-demarcated, homogeneous, low density mass situated within skeletal muscle. The attenuation of the lesion is slightly greater than water but less than that of the surrounding normal muscle, with typical values between + 10 and +60 HU. There is scant magnetic resonance (MR) literature on the appearance of intramuscular myxoma; the few MR spin echo images that have been published characterize it as a homogeneous mass with signal intensity less than or equal to skeletal muscle on Tl-weighted and brighter than fat on T2-weighted pulse sequences. We present two cases of intramuscular myxoma with imaging characteristics that differ from those previously reported.

Original languageEnglish (US)
Pages (from-to)836-839
Number of pages4
JournalJournal of computer assisted tomography
Volume13
Issue number5
DOIs
StatePublished - Jan 1 1989

Keywords

  • Magnetic resonance imaging
  • Muscles
  • Myxoma
  • Neoplasms

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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    Kransdorf, M. J., Moser, R. P., Jelinek, J. S., Weiss, S. W., Buetow, P. C., & Berrey, B. H. (1989). Intramuscular myxoma: MU features. Journal of computer assisted tomography, 13(5), 836-839. https://doi.org/10.1097/00004728-198909000-00016