Fig. 4From: Lymphomatosis cerebri: a rare variant of primary central nervous system lymphoma and MR imaging featuresThe same case shown in Fig.2. Multiple-voxel spectra are acquired with a point-resolved spectroscopy (PRESS) sequence, TR 1500 ms, TE 135 ms, NSA 128. MRS shows elevation of Cho/Cr and marked reduction of NAA/Cr in the lesion. In addition, there is an inverted Lac peakBack to article page