PMC5609870_01
Computed tomography scans demonstrating the patient's unresectable pancreatic cancer. A. Tumor after systemic chemotherapy and radiation therapy but prior to electroporation. B. Tumor after irreversible electroporation.
gr1.jpg
PMC5609870_01_gr1.jpg
fig0005
He had a good response, with decrease in size of the tumor and no evidence of new lesions (Fig. 1). Restaging CT scans at 2 months demonstrated no evidence of metastasis (Fig. 1).
Ultrasonography image of unresectable pancreatic cancer encasing the hepatic artery and involving the portal vein.
gr2.jpg
PMC5609870_01_gr2.jpg
fig0010
Laparotomy and intraoperative ultrasonography confirmed that the mass was still unresectable, as both the common hepatic artery and portal vein were involved by tumor (Fig. 2).
Intraoperative placement of probes for irreversible electroporation.
gr3.jpg
PMC5609870_01_gr3.jpg
fig0015
Three monopolar electrodes, in linear or triangular configurations, were used to treat sequential parts of the tumor over 4 applications (Fig. 3).
Ultrasonography image depicting post-ablation changes in the pancreatic mass.
gr4.jpg
PMC5609870_01_gr4.jpg
fig0020
Ultrasound was performed on the ass again, revealing post-ablation changes of increased echogenicity in the ablation zone and patent vessels (Fig. 4).