MRI brain sections

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MRI Brain Sections (NEET PG Focus)

Common MRI Sequences

Sequence CSF Appearance Diagnostic Use
T1-Weighted Dark Anatomical detail
T2-Weighted Bright Pathology (Edema/Inflammation)
FLAIR Dark Periventricular lesions (e.g., MS)

NEET PG “Must-Know” Pearls

  • Internal Capsule: Frequently tested landmark; anterior limb, genu, and posterior limb (contains corticospinal tract).
  • DWI/ADC: Essential for early diagnosis of acute ischemic stroke (restricted diffusion appears bright on DWI).
  • Contrast (Gadolinium): Highlights breakdown of the Blood-Brain Barrier (e.g., tumors, active plaques).
  • Ventricles: Best visualized on axial T2 or FLAIR sections to assess for hydrocephalus.

For additional high-yield questions and medical resources, you may visit mymedschool.org.