Fig. 1From: Comparison of ASL and DSC perfusion methods in the evaluation of response to treatment in patients with a history of treatment for malignant brain tumorCase with a history of surgery and RT due to Grade 3 Astrocytoma; a Contrast-enhanced fat-suppressed T1: A solid-appearing area showing enhancement on the cavity wall after the operation. b ASL CBF: Hyperperfusion in the contrast-enhanced area. c DSC CBV: Marked hyperperfusion in the contrast-enhanced area. d Hyperperfusion is observed in the contrast-enhanced area. Categorized as non-residual tumor (NRT) based on follow-up imaging and clinical findingsBack to article page