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Falx ossification--MR visualization.

D H Lee1, T C Larson, D Norman

  • 1Department of Diagnostic Radiology, University of Western Ontario, London.

Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes
|December 1, 1988
PubMed
Summary
This summary is machine-generated.

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Falx ossification is identifiable on MRI with a distinct appearance of fatty marrow and cortical bone. This finding, seen in 0.7% of patients, differs from falx lipoma.

Area of Science:

  • Radiology
  • Neuroimaging
  • Anatomical Pathology

Background:

  • Falx calcification is infrequently visualized with magnetic resonance imaging (MRI).
  • Falx ossification, however, presents a characteristic and identifiable appearance on MRI scans.

Purpose of the Study:

  • To describe the characteristic MRI appearance of falx ossification.
  • To differentiate falx ossification from falx lipoma.

Main Methods:

  • Retrospective review of magnetic resonance images.
  • Analysis of imaging characteristics of falx ossification.

Main Results:

  • Falx ossification demonstrated a typical MRI pattern: a central region with signal intensity akin to fat, encased by low-signal-intensity cortical bone.

Related Experiment Videos

  • Falx ossification was identified in 0.7% of the patient cohort.
  • The imaging features of falx ossification were distinguished from those of falx lipoma.

    • Conclusions:

    • Falx ossification has a recognizable appearance on MRI, characterized by fatty marrow and cortical bone.
    • Radiologists should be aware of this finding to avoid misdiagnosis with rare congenital conditions like falx lipoma.