Impact of segmentation and discretization on radiomic features in
68Ga-DOTATOC PET/CT
Neuroendocrine tumor
Radiomics
Robustness
Semi-automatic segmentation
Texture analysis
Journal
EJNMMI physics
ISSN: 2197-7364
Titre abrégé: EJNMMI Phys
Pays: Germany
ID NLM: 101658952
Informations de publication
Date de publication:
27 Feb 2021
27 Feb 2021
Historique:
received:
08
07
2020
accepted:
09
02
2021
entrez:
27
2
2021
pubmed:
28
2
2021
medline:
28
2
2021
Statut:
epublish
Résumé
To identify the impact of segmentation methods and intensity discretization on radiomic features (RFs) extraction from Forty-nine patients were retrospectively analyzed. Tumor contouring was performed manually by four different operators and with a semi-automatic edge-based segmentation (SAEB) algorithm. Three SUV DSC mean value was 0.75 ± 0.11 (0.45-0.92) between SAEB and operators and 0.78 ± 0.09 (0.36-0.97), among the four manual segmentations. The study showed high robustness (ICC > 0.9): (a) in 64.7% of RFs for segmentation methods using AR60, improved by applying SUV RFs robustness to manual segmentation resulted higher in NET
Identifiants
pubmed: 33638729
doi: 10.1186/s40658-021-00367-6
pii: 10.1186/s40658-021-00367-6
pmc: PMC7914329
doi:
Types de publication
Journal Article
Langues
eng
Pagination
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