“…Dense packing is mandatory to occlude the fistula, and if not achieved, residual, recurrent fistula or pseudoaneurysm formation (in cases of TCCF; e.g., patient 3 in this series) might occur. 1,8,14,44,45 The principle to be followed during coiling of both TCCFs and DCCFS is the same, which entails coiling to commence at the SOV first because all patients have ophthalmic problems. Missing the foot of SOV inside the CS occluded first might carry the risk of inability to find it later after partial CS packing.…”