In vivo proton spectroscopy of meningioma after preoperative embolization.


The time course of proton spectra of meningioma after embolization has been followed using a localized PRESS experiment with 135 ms of echo time. The most conspicuous findings were the observation of transient lactate signal within 24 h after blocking of the capillary bed. After that time large aliphatic signals from necrosis were observed, whereas other… (More)


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