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Although PD US appears to depict the interlobular vasculature up to the renal capsule, care should be taken in the diagnosis of perfusion defects, since absence of detectable flow at the interlobular level does not always correspond to cortical areas that lack perfusion on MR images.

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CT-guided percutaneous superior hypogastric block is a safe, relatively easy, and effective procedure in patients with severe pain from pelvic malignancies.