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Fat in the brain: Facts and features.

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Fat in brain lesions aids diagnosis on CT/MRI. This review covers 15 common and rare fat-containing brain lesions, categorized by composition, to improve diagnostic accuracy.

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Area of Science:

  • Neuroimaging
  • Pathology
  • Radiology

Background:

  • Fat within brain lesions is a key diagnostic indicator.
  • Identifying fat content aids in differential diagnosis of intracranial lesions.

Purpose of the Study:

  • To illustrate the spectrum of common and rare fat-containing brain lesions.
  • To provide a comprehensive overview of lesions confirmed by MRI and histopathology.
  • To aid clinicians in diagnosing or narrowing differentials for fat-containing brain lesions.

Main Methods:

  • Review of 15 fat-containing brain lesions.
  • Confirmation of lesions using Magnetic Resonance Imaging (MRI) findings.
  • Histopathological correlation for definitive diagnosis.

Main Results:

  • Fat-containing lesions were categorized into three groups: those with adipose cells, cholesterol-rich content, and lipomatous differentiation/transformation.
  • The study illustrates a range of both common and rare entities.

Conclusions:

  • Understanding the diverse types of fat-containing brain lesions is crucial for accurate diagnosis.
  • This knowledge assists in refining the differential diagnosis process for neuroimaging findings.