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Gelfoam preparation (cutting and pumping). ( a ) In this example, long, thin pieces of Gelfoam are cut with scissors; a larger block can also be used. ( b ) The pieces are loaded in the back of a syringe. ( c ) The air is squeezed out of the syringe and the Gelfoam compressed. ( d ) Contrast and Gelfoam are mixed to create a slurry.
