Skip to main content
Case #34

PRO Plan Required

Unlock this case with a PRO membership

View Plans Log In
Demographics: 19 years old, Male
Indication: Seizure

Case #34

Findings

CT

  • Hypoattenuating mass in the medial right temporal lobe, which bulges inferiorly through the tentorial notch
  • No corresponding calcification

MRI

  • Lobular T1 hypointense, T2 hyperintense mass centered in the medial right temporal lobe (with involvement of the hippocampus and parahippocampal gyrus) measuring 4.5 x 4.3 x 3 cm
  • The mass bulges inferiorly through the tentorial notch and contacts the superior margin of the cerebellum
  • Incomplete internal signal suppression on FLAIR
  • No corresponding restricted diffusion or enhancement
  • No surrounding parenchymal edema
  • Associated local mass effect without evidence for hydrocephalus
  • 1.4 cm pineal cyst

Diagnosis

IDH-mutant astrocytoma

Differential Diagnosis

Become a PRO member to unlock the differential diagnosis

Pearls

Become a PRO member to unlock the pearls

References

  • Larsen J, Wharton SB, McKevitt F, Romanowski C, Bridgewater, C, Zaki H, Hoggard N. โ€˜Low grade gliomaโ€™: an update for radiologists. Br J Radiol 2017; 90: 20160600.

    • Site Feedback

    Your feedback helps us improve CaseStacks. Please share your thoughts, suggestions, or report any issues you've encountered.

    /5
    Thank you for your feedback! We appreciate your input.