Clinical metric for differentiating intracranial hemangiopericytomas from meningiomas using diffusion weighted MRI.
Adult
Aged
Aged, 80 and over
Brain Neoplasms
/ diagnosis
Diagnosis, Differential
Diffusion Magnetic Resonance Imaging
/ methods
Female
Hemangiopericytoma
/ diagnosis
Humans
Magnetic Resonance Imaging
/ methods
Male
Meningeal Neoplasms
/ diagnosis
Meningioma
/ diagnosis
Middle Aged
Sensitivity and Specificity
Young Adult
Brain tumor
Diffusion weighted imaging
Intracranial hemangiopericytoma
MRI
Meningioma
Journal
Clinical imaging
ISSN: 1873-4499
Titre abrégé: Clin Imaging
Pays: United States
ID NLM: 8911831
Informations de publication
Date de publication:
Historique:
received:
05
01
2018
revised:
25
07
2018
accepted:
22
10
2018
pubmed:
24
11
2018
medline:
2
5
2019
entrez:
24
11
2018
Statut:
ppublish
Résumé
Intracranial Hemangiopericytomas (IHP) are dural based tumors that frequently recur/metastasize. Unfortunately, their imaging appearance overlaps significantly with more benign meningiomas. We evaluated the use of diffusion weighted imaging (DWI) to differentiate IHP from meningioma. We compared MRI of IHP tumors (WHO Grades II/III) (n = 20) to meningioma (n = 48, WHO Grade I/II). ADC values differed between IHP (1.05 × 10-3 mm2/s) and meningiomas (0.89 × 10-3 mm2/s) (p = 0.05). Normalized ADC ratios (nADC), differed between IHP and meningiomas (1.30 vs 1.07, p = 0.03). Importantly, a nADC cutoff of >1.3 was specific (96%) but not sensitive (35%) for identifying IHP.
Identifiants
pubmed: 30469018
pii: S0899-7071(18)30288-2
doi: 10.1016/j.clinimag.2018.10.018
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1-5Informations de copyright
Copyright © 2018 Elsevier Inc. All rights reserved.