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Related Experiment Videos

Fat in the cerebral falx.

S S Chen1, K N Shao, J H Chiang

  • 1Department of Radiology, Taipei Veterans General Hospital, 201, Section 2, Shih-Pai Road, Taipei 112, Taiwan, ROC.

Zhonghua Yi Xue Za Zhi = Chinese Medical Journal; Free China Ed
|January 13, 2001
PubMed
Summary

Fat in the cerebral falx (the membrane separating the brain hemispheres) is common, found in 7.3% of adults. This incidental finding on brain imaging requires no further evaluation or treatment.

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Area of Science:

  • Neuroradiology
  • Neuroanatomy
  • Medical Imaging

Background:

  • Fat within the cerebral falx is frequently observed but not previously characterized.
  • Understanding its incidence and features is crucial for accurate diagnosis.

Purpose of the Study:

  • To determine the incidence of fat within the cerebral falx.
  • To identify the clinical and imaging features of falcine fat.

Main Methods:

  • Prospective imaging of the cerebral falx in 1,570 consecutive brain computed tomographic (CT) scans.
  • Characterization of falcine fat features using CT and magnetic resonance imaging (MRI).

Main Results:

  • Fat was identified in the cerebral falx in 115 out of 1,570 cases (7.3% incidence).

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  • Falcine fat exhibited negative Hounsfield values on CT and high signal intensity on T1- and T2-weighted MRI.
  • Findings were most common in aged patients, with no associated symptoms or calcification.

    • Conclusions:

    • Fat in the cerebral falx is an incidental finding in adults with a 7.3% incidence.
    • It is a benign condition that does not necessitate further investigation or treatment.
    • Radiologists should be aware of this common finding to avoid misdiagnosis.