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Ischemic Complications After High-Grade Glioma Resection Could Interfere With Residual Tumor Detection With 18F-Fluorocholine PET/CT

García Vicente, Ana María, MD, PhD*; Rodriguez Muñoz, María José, MD; Pena Pardo, Francisco José, MD, PhD*; Martinez Madrigal, Milton Miguel, MD; Soriano Castrejón, Angel, MD*

doi: 10.1097/RLU.0000000000002392
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Ischemic complications after resection of high-grade glioma are frequent and may constitute potential cause of false-positive results in postsurgical evaluation using 18F-fluorocholine PET/CT. On the other hand, hypoxia caused by ischemia promotes invasive glioma growth. We present 3 cases of patients with different grades of ischemic injury after resection of high-grade glioma. The combined interpretation of diffusion-weighted imaging and apparent diffusion coefficient map on MRI, in this clinical setting, is mandatory to avoid PET/CT misinterpretations.

From the Departments of *Nuclear Medicine,

Radiology, and

Neurosurgery, Hospital General Universitario de Ciudad Real, Ciudad Real, Spain.

Received for publication February 22, 2018; revision accepted October 12, 2018.

Conflicts of interest and sources of funding: none declared.

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent was obtained from all individual participants included in the study.

All the authors have participated in the writing and revision of this article and take public responsibility for its content.

The present publication is approved by all authors and by the responsible authorities where the work was carried out.

All the authors confirm the fact that the article is not under consideration for publication elsewhere.

Correspondence to: Ana María García Vicente, MD, PhD, Department of Nuclear Medicine, University General Hospital, C/ Obispo Rafael Torija s/n, 13005 Ciudad Real, Spain. E-mail: angarvice@yahoo.es.

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