Polyurethane Sponge (IMAGE)

Johns Hopkins Medicine

Polyurethane Sponge

Caption

A 2-centimeter polyurethane sponge attached to a string emerges from the capsule and is pulled through the patient's esophagus to collect genetic material that determines risk for cancer of that organ.

Credit

Stephen Meltzer, M.D.

Usage Restrictions

None

License

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