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Published in: Molecular Imaging and Biology 3/2016

01-06-2016 | Research Article

Semi-Automated Volumetric and Morphological Assessment of Glioblastoma Resection with Fluorescence-Guided Surgery

Authors: J. Scott Cordova, Saumya S. Gurbani, Chad A. Holder, Jeffrey J. Olson, Eduard Schreibmann, Ran Shi, Ying Guo, Hui-Kuo G. Shu, Hyunsuk Shim, Costas G. Hadjipanayis

Published in: Molecular Imaging and Biology | Issue 3/2016

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Abstract

Purpose

Glioblastoma (GBM) neurosurgical resection relies on contrast-enhanced MRI-based neuronavigation. However, it is well-known that infiltrating tumor extends beyond contrast enhancement. Fluorescence-guided surgery (FGS) using 5-aminolevulinic acid (5-ALA) was evaluated to improve extent of resection (EOR) of GBMs. Preoperative morphological tumor metrics were also assessed.

Procedures

Thirty patients from a phase II trial evaluating 5-ALA FGS in newly diagnosed GBM were assessed. Tumors were segmented preoperatively to assess morphological features as well as postoperatively to evaluate EOR and residual tumor volume (RTV).

Results

Median EOR and RTV were 94.3 % and 0.821 cm3, respectively. Preoperative surface area to volume ratio and RTV were significantly associated with overall survival, even when controlling for the known survival confounders.

Conclusions

This study supports claims that 5-ALA FGS is helpful at decreasing tumor burden and prolonging survival in GBM. Moreover, morphological indices are shown to impact both resection and patient survival.
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Metadata
Title
Semi-Automated Volumetric and Morphological Assessment of Glioblastoma Resection with Fluorescence-Guided Surgery
Authors
J. Scott Cordova
Saumya S. Gurbani
Chad A. Holder
Jeffrey J. Olson
Eduard Schreibmann
Ran Shi
Ying Guo
Hui-Kuo G. Shu
Hyunsuk Shim
Costas G. Hadjipanayis
Publication date
01-06-2016
Publisher
Springer US
Published in
Molecular Imaging and Biology / Issue 3/2016
Print ISSN: 1536-1632
Electronic ISSN: 1860-2002
DOI
https://doi.org/10.1007/s11307-015-0900-2

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