Table 2 MRI of laser-ablated lesion: Delayed stage (2 weeks to 6 months post procedure)
From: Neurosurgical applications of MRI guided laser interstitial thermal therapy (LITT)
Structural anatomy | MRI features | |
|---|---|---|
T1WI | T1WI + C | |
Central zone | ↓ Hyper | None |
Peripheral zone | ↑ Hypo | None |
Outer rim bordering the peripheral zone | Hypo/Hyper | ↓ Enhancement (size and degree) |
Perifocal edema (outside the peripheral zone) | Hypo | Hyper |