Surgical Resection of Cerebral Metastases Leads to Faster Resolution of Peritumoral Edema than Stereotactic Radiosurgery: A Volumetric Analysis

Background Surgical resection and stereotactic radiosurgery (SRS) are well-established treatment options for selected patients with oligo-brain metastases (BMs). The dynamics of edema resolution with each treatment method have not been well characterized. Methods Of 389 patients treated for BMs betw...

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Bibliographic Details
Published in:Annals of surgical oncology 2017-05, Vol.24 (5), p.1392-1398
Main Authors: Shimony, Nir, Shofty, Ben, Harosh, Carmit Ben, Sitt, Razi, Ram, Zvi, Grossman, Rachel
Format: Article
Language:English
Subjects:
Aged
Brain Edema - etiology
Brain Edema - therapy
Brain Neoplasms - complications
Brain Neoplasms - pathology
Brain Neoplasms - secondary
Brain Neoplasms - therapy
Cerebrum
Female
Humans
Male
Medicine
Medicine & Public Health
Metastasectomy
Middle Aged
Neuro-Oncology
Oncology
Propensity Score
Radiosurgery
Retrospective Studies
Surgery
Surgical Oncology
Time Factors
Tumor Burden
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Summary:Background Surgical resection and stereotactic radiosurgery (SRS) are well-established treatment options for selected patients with oligo-brain metastases (BMs). The dynamics of edema resolution with each treatment method have not been well characterized. Methods Of 389 patients treated for BMs between 2012 and 2014, this study retrospectively identified 107 patients (150 metastases) who underwent either surgery or SRS as a single treatment method for BMs. The two groups of patients were matched for clinical parameters. Volumetric assessments of the tumor and associated edema were performed before treatment and then 2–3 months after treatment. Results In this study, 76 surgical cases were compared with 74 cases treated with SRS. The volume of the tumor and surrounding edema was significantly greater in the surgery group than in the SRS group. However, resolution of edema was significantly more rapid in the surgical group ( p  
ISSN:1068-9265
1534-4681
DOI:10.1245/s10434-016-5709-y