“…9 Moreover, the inflated pair of rings pose a technical challenge to management of central endoleaks when it comes to catheter-directed embolization from above. 10,11 In the April 2018 issue of the JEVT, Ni et al 12 report collapse of the Ovation endograft during glue embolization of 2 type II endoleaks after injecting 8 mL of 10% glue. Since there was no preliminary injection of contrast agent to estimate the endoleak volume, it could be that the volume of delivered glue was higher than needed, presumably in the authors' attempt to drive the glue into the lumbar feeders.…”