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Ultrasound May Help Breach Pancreatic Cancer Defenses

Medical Xpress

Photo: UW Medicine

Pancreatic cancer, aside from being notoriously undetectable in its early stages, is also hard to eradicate after it's discovered.

The tumors are like armed fortresses—nearly impregnable to cancer drugs and immunotherapies, and encased in a tangle of collagen fibers around their exteriors, says Tanya Khokhlova (coke-low-va), an associate professor of research in the gastroenterology division of the University of Washington School of Medicine.

Pancreatic tumors also are so dense that they create crushing pressure on the blood vessels inside of them and push outward against surrounding structures. Finally, the tumors propagate armies of ...