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Updated: May 13, 2026

Spatial Measurements of Perfusion, Interstitial Fluid Pressure and Liposomes Accumulation in Solid Tumors
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Spatial Measurements of Perfusion, Interstitial Fluid Pressure and Liposomes Accumulation in Solid Tumors

Published on: August 18, 2016

Susceptibility artifacts in lipomas.

Dayananda Lingegowda1, Chandana Rajashekar, Vinay Venkanna Belaval

  • 1Department of Diagnostic and Interventional Radiology, Narayana Hrudayalaya and Muzumdar Shaw Cancer Center, Bangalore, Karnataka, India.

Neurology India
|March 8, 2013
PubMed
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Microscopic mineralization and chemical shift artifacts, not macroscopic calcification, are the primary causes of susceptibility artifacts in intracranial lipomas on SWI images. This finding clarifies the origin of blooming in these uncommon tumors.

Area of Science:

  • Neuroradiology
  • Medical Imaging

Background:

  • Intracranial lipomas are rare tumors.
  • They cause susceptibility artifacts on susceptibility weighted imaging (SWI).
  • The exact cause of these artifacts is not fully understood.

Purpose of the Study:

  • To investigate the underlying causes of susceptibility artifacts in intracranial lipomas.
  • To differentiate artifact origins in various lipoma subtypes.

Main Methods:

  • Retrospective review of 15 cases with 16 intracranial lipomas.
  • Evaluation of lipomas on SWI for blooming characteristics.
  • CT scan analysis for the presence of calcification.

Main Results:

  • Peripheral rim-like susceptibility artifacts were observed in pericallosal tubulonodular lipomas.

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Last Updated: May 13, 2026

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  • Curvilinear lipomas exhibited complete blooming.
  • Nodular lipomas showed varied blooming patterns (peripheral, complete, or mixed).
  • Scalp and craniovertebral lipomas displayed peripheral artifacts.
  • Calcification was identified in only two cases on CT scans.

    • Conclusions:

    • Macroscopic calcification does not significantly contribute to susceptibility blooming.
    • Microscopic mineralization and chemical shift artifacts are the main contributors to susceptibility blooming in intracranial lipomas.