Discovery of increased number or interval growth of brain metastases on same-day GammaKnife™ planning MRI: Predicting factors and patient outcomes.
GammaKnife
SRS
brain metastases
Journal
Journal of radiosurgery and SBRT
ISSN: 2156-4647
Titre abrégé: J Radiosurg SBRT
Pays: United States
ID NLM: 101565296
Informations de publication
Date de publication:
2022
2022
Historique:
received:
08
04
2022
accepted:
15
07
2022
entrez:
2
3
2023
pubmed:
1
1
2022
medline:
1
1
2022
Statut:
ppublish
Résumé
To determine factors associated with increased risk of finding new and/or enlarged brain metastases (BM) on GammaKnife™ (GK) MRI and their impact on patient outcomes. 43.9% of patients showed BM growth, 32.9% had additional brain metastases (aBM), and 18.1 % had both. Initial brain metastasis velocity (iBMV) was associated with finding aBM. Time between diagnostic MRI (dMRI) and GK MRI was associated with interval growth and each day increased this risk by 2%. Prior brain metastasectomy and greater time between either dMRI or latest extracranial RT and GK MRI predicted both aBM and BM growth. aBM and/or BM growth led to management change in 1.8% of cases and were not associated with OS or incidence of distant intracranial failure. Number of metastases seen on dMRI and iBMV predicted both aBM and/or BM growth, however, these factors did not significantly affect survival or incidence of distant intracranial failure.
Types de publication
Journal Article
Langues
eng
Pagination
189-199Informations de copyright
© 2022 Old City Publishing, Inc.
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