According to the findings of the study "In vitro study of the embolic characteristics of imipenem/cilastatin particles", what happens to imipenem/cilastatin particles after suspension and injection?

A) They remain stable and maintain a constant particle size

B) They rapidly aggregate into large permanent embolic particles

C) They form small transient particles that gradually dissolve over time

D) They transform into gel-like embolic material within the catheter

In the study "Sheathless microcatheter: a new approach for musculoskeletal arterial embolization", what was the technical success rate reported for the sheathless microcatheter approach?

A) 85%

B) 92%

C) 97%

D) 100%

In the paper "Combined genicular artery embolization and genicular nerve block to treat chronic pain following total knee arthroplasty", what is the rationale for combining genicular artery embolization with genicular nerve block?

A) To reduce the amount of embolic material required

B) To simultaneously target both inflammatory neovascularization and nociceptive neural pathways contributing to pain

C) To shorten the angiographic procedure time

D) To avoid the need for fluoroscopic guidance

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