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Gross total resection of brain tumor using intraoperative MR

Case Study
Kalkanis, Steven, M.D. Henry Ford Health System • USA
Scarpace, Lisa Henry Ford Health System • USA

Patient history

A 64-year-old man presents with gustatory hallucinations and paresthesias for more than a year.

MR examination

Achieva 1.5T was used with Noras coil and integrated head holder frame. Standard imaging was done, T2, FLAIR, DWI, T1 and T1 post-contrast at contiguous thin cuts to load onto the Brainlab sky navigation system.

MR images

 Preoperative <br>

Preoperative MR on the day of surgery shows a new focus of contrast enhancement in the medial left temporal lobe. The surgeon used navigation to target this enhancement area and remove the abnormal tissue.

Residual tumor Postoperative<br>
Tumor removed
Residual tumor
Tumor removed

The intraoperative study showed the surgical tract extending from the left lateral temporal region up to the medial temporal tip. Post-contrast T1 images showed that the enhancing nodular tumor was just above and slightly posterior to the medial tip of the surgical track.

Postoperative imaging shows a complete resection of the left medial temporal lobe neoplasm. Intraoperative MRI showed the remaining tumor tissue which was essential to the success of this surgery.


Pathological diagnosis was Dysembryoplastic Neuroepithelial Tumor (DNET).

Clinical impact of intraoperative MRI

Intraoperative MRI showed the remaining tumor tissue which was essential to the success of this surgery.

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Feb 27, 2014

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Case Study
Achieva 1.5T
Brain, DNET, MR-OR, Neuro, neurosurgery, tumor

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