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Magnetic resonance imaging of myxoid containing tumors

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Abstract

Myxoid tissue forms part of many benign and malignant soft-tissue tumors. The advent of percutaneous needle biopsy has made it important to be aware of the diagnostic implications of biopsy samples containing myxoid tissue. To determine whether the magnetic resonance imaging (MRI) characteristics could help establish the diagnosis, we compared the MR images of 11 tumors containing myxoid tissue with the resected tumor tissue.

In our small series of these rare tumors, the MRI characteristics allowed differentiation of intramuscular myxomas from malignant neoplasms containing myxoid tissue. Intramuscular myxomas meet the following conditions: (a) they are well circumscribed; (b) they arise within muscle; (c) T1-weighted images demonstrate uniform, decreased signal intensity; (d) T2-weighted images demonstrate uniform increased signal intensity; (e) contrast-enhanced images exhibit an inhomogeneous increase in signal intensity. If any of these conditions is not met, then a malignancy containing myxoid tissue should be suspected.

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Author notes

  1. Richard M. Feddersen M.D.

    Present address: Department of Pathology, University of New Mexico School of Medicine, 87131, Albuquerque, NM, USA

Authors and Affiliations

  1. College of Medicine, The University of Iowa, Iowa City, Iowa, USA

    Kirk K. Peterson B.S.

  2. Department of Radiology, The University of Iowa, Iowa City, Iowa, USA

    Donald L. Renfrew M.D. & Georges Y. El-Khoury M.D.

  3. Department of Pathology, The University of Iowa, Iowa City, Iowa, USA

    Richard M. Feddersen M.D.

  4. Department of Orthopedic Surgery, The University of Iowa, Iowa City, Iowa, USA

    Joseph A. Buckwalter M.D.

Authors
  1. Kirk K. Peterson B.S.
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  2. Donald L. Renfrew M.D.
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  3. Richard M. Feddersen M.D.
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  4. Joseph A. Buckwalter M.D.
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  5. Georges Y. El-Khoury M.D.
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Peterson, K.K., Renfrew, D.L., Feddersen, R.M. et al. Magnetic resonance imaging of myxoid containing tumors. Skeletal Radiol. 20, 245–250 (1991). https://doi.org/10.1007/BF02341657

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