Radiological evaluation of ex novo high grade glioma: velocity of diametric expansion and acceleration time study.
acceleration time
anaplastic astrocytoma
glioblastoma
high grade glioma
radiological growth
velocity of diametric expansion
Journal
Radiology and oncology
ISSN: 1581-3207
Titre abrégé: Radiol Oncol
Pays: Poland
ID NLM: 9317213
Informations de publication
Date de publication:
03 12 2020
03 12 2020
Historique:
received:
15
07
2020
accepted:
16
10
2020
entrez:
22
4
2021
pubmed:
23
4
2021
medline:
21
9
2021
Statut:
epublish
Résumé
One of the greatest neuro-oncological concern remains the lack of knowledge about the etiopathogenesis and physiopathology of gliomas. Several studies reported a strict correlation between radiological features and biological behaviour of gliomas; in this way the velocity of diametric expansion (VDE) correlate with lower grade glioma aggressiveness. However, there are no the same strong evidences for high grade gliomas (HGG) because of the lack of several preoperative MRI. We describe a series of 4 patients affected by HGG followed from 2014 to January 2019. Two patients are male and two female; two had a pathological diagnosis of glioblastoma (GBM), one of anaplastic astrocytoma (AA) and one had a neuroradiological diagnosis of GBM. The VDE and the acceleration time (AT) was calculated for fluid attenuated inversion recovery (FLAIR) volume and for the enhancing nodule (EN). Every patients underwent sequential MRI study along a mean period of 413 days. Mean VDE evaluated on FLAIR volume was 39.91 mm/year. Mean percentage ratio between peak values and mean value of acceleration was 282.7%. Median appearance time of EN after first MRI scan was 432 days. Mean VDE was 45.02 mm/year. Mean percentage ratio between peak values and mean value of acceleration was 257.52%. To our knowledge, this is the first report on VDE and acceleration growth in HGG confirming their strong aggressiveness. In a case in which we need to repeat an MRI, time between consecutive scans should be reduced to a maximum of 15-20 days and surgery should be executed as soon as possible.
Sections du résumé
BACKGROUND
One of the greatest neuro-oncological concern remains the lack of knowledge about the etiopathogenesis and physiopathology of gliomas. Several studies reported a strict correlation between radiological features and biological behaviour of gliomas; in this way the velocity of diametric expansion (VDE) correlate with lower grade glioma aggressiveness. However, there are no the same strong evidences for high grade gliomas (HGG) because of the lack of several preoperative MRI.
PATIENTS AND METHODS
We describe a series of 4 patients affected by HGG followed from 2014 to January 2019. Two patients are male and two female; two had a pathological diagnosis of glioblastoma (GBM), one of anaplastic astrocytoma (AA) and one had a neuroradiological diagnosis of GBM. The VDE and the acceleration time (AT) was calculated for fluid attenuated inversion recovery (FLAIR) volume and for the enhancing nodule (EN). Every patients underwent sequential MRI study along a mean period of 413 days.
RESULTS
Mean VDE evaluated on FLAIR volume was 39.91 mm/year. Mean percentage ratio between peak values and mean value of acceleration was 282.7%. Median appearance time of EN after first MRI scan was 432 days. Mean VDE was 45.02 mm/year. Mean percentage ratio between peak values and mean value of acceleration was 257.52%.
CONCLUSIONS
To our knowledge, this is the first report on VDE and acceleration growth in HGG confirming their strong aggressiveness. In a case in which we need to repeat an MRI, time between consecutive scans should be reduced to a maximum of 15-20 days and surgery should be executed as soon as possible.
Identifiants
pubmed: 33885243
pii: raon-2020-0071
doi: 10.2478/raon-2020-0071
pmc: PMC7877266
doi:
Substances chimiques
Contrast Media
0
Types de publication
Case Reports
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
26-34Informations de copyright
© 2021 Roberto Altieri, Francesco Certo, Giuseppe La Rocca, Antonio Melcarne, Diego Garbossa, Alberto Bianchi, Salvatore Crimi, Alessandro Pluchino, Simone Peschillo, Giuseppe M.V. Barbagallo, published by Sciendo.
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