Angiographic aspect before and after embolization (on the right)
 of a lumbar spine metastasis of a renal cancer.
Note the use of a microcatheter to go beyond
the lumbar artery (L3) ostium.

The tumoral blush on the left is quite visible before embolization
A microcatheter was used. It was about a metastasis
of a breast cancer. Clear clinical improvement in particular on the
pain of vertebral origin.