A grade 3 extravasation is unstable (ie, continues to expand).
(A) Lesion (arrow).
(B) Angioplasty of lesion.
(C) Extravasation (arrowheads) on digital subtraction image.
(D) Angiogram following placement of a covered stent (between thick arrows) to control extravasation.Do you want to add Medilib to your home screen?