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Tumor Recurrence on FDG PET/MRI

Case History:

49-year-old female, a case of frontoparietal Gr III oligo astrocytoma post-op/RT with a new enhancing lesion on follow up MRI.



(A) Axial T1W post-contrast image shows enhancing lesion in the right periventricular lesion. Freehand ROI was placed on the enhancing lesion, copied and pasted on the PET(B), PET/MR fused (D), ADC map(E) & shows corresponding increased FDG uptake (arrows in B, C), increased perfusion (arrow in D), restricted diffusion (arrow, E), multivoxel 1H-MRS(F) reveals increased choline: creatine ratio suggesting tumor recurrence.

Note : Precise localization of a small ROI on all images identifies the lesion.

Case Study Prepared by:

This short PET-MRI Scan case was compiled by Dr. Sangeeta Taneja and Dr. Amarnath Jena (Nuclear Medicine Physician at PET-Suite @ Indraprastha Apollo Hospital, Sarita Vihar).

Read More about PET-MRI Scan at House Of Diagnostics in Delhi and NCR.

The Simultaneous PET-MRI Scan is currently offered at PET-Suite at Apollo Hospital, Sarita Vihar.

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