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J. Clin. Med. 2017, 6(3), 26; doi:10.3390/jcm6030026

Portal Vein Embolization: Impact of Chemotherapy and Genetic Mutations

1
Interventional Radiology Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
2
Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
3
Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA 02139, USA
4
Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
5
Division of Vascular and Interventional Radiology, Mayo Clinic, Phoenix, AZ 85054, USA
6
Division of Oncology, Mayo Clinic, Phoenix, AZ 85054, USA
7
Department of Radiology, Ankara Oncology Training and Research Hospital, Ankara, Turkey
8
Division of Transplant Surgery, Mayo Clinic, Phoenix, AZ 85054, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Bernhard Rauch
Received: 29 November 2016 / Revised: 12 February 2017 / Accepted: 21 February 2017 / Published: 1 March 2017
View Full-Text   |   Download PDF [1957 KB, uploaded 1 March 2017]   |  

Abstract

We characterized the effect of systemic therapy given after portal vein embolization (PVE) and before hepatectomy on hepatic tumor and functional liver remnant (FLR) volumes. All 76 patients who underwent right PVE from 2002–2016 were retrospectively studied. Etiologies included colorectal cancer (n = 44), hepatocellular carcinoma (n = 17), cholangiocarcinoma (n = 10), and other metastases (n = 5). Imaging before and after PVE was assessed. Chart review revealed systemic therapy administration, SNaPshot genetic profiling, and comorbidities. Nine patients received systemic therapy; 67 did not. Tumor volume increased 28% in patients who did not receive and decreased −24% in patients who did receive systemic therapy (p = 0.026), with no difference in FLR growth (28% vs. 34%; p = 0.645). Among 30 patients with genetic profiling, 15 were wild type and 15 had mutations. Mutations were an independent predictor of tumor growth (p = 0.049), but did not impact FLR growth (32% vs. 28%; p = 0.93). Neither cirrhosis, hepatic steatosis, nor diabetes impacted changes in tumor or FLR volume (p > 0.20). Systemic therapy administered after PVE before hepatic lobectomy had no effect on FLR growth; however, it was associated with decreasing tumor volumes. Continuing systemic therapy until hepatectomy may be warranted, particularly in patients with genetic mutations. View Full-Text
Keywords: portal vein embolization; angiography; embolization; chemotherapy; mutation portal vein embolization; angiography; embolization; chemotherapy; mutation
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MDPI and ACS Style

Deipolyi, A.R.; Zhang, Y.S.; Khademhosseini, A.; Naidu, S.; Borad, M.; Sahin, B.; Mathur, A.K.; Oklu, R. Portal Vein Embolization: Impact of Chemotherapy and Genetic Mutations. J. Clin. Med. 2017, 6, 26.

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