From: Leukocyte- and platelet-rich fibrin in endoscopic endonasal skull base reconstruction: study protocol for a multicenter prospective, parallel-group, single-blinded randomized controlled non-inferiority trial
Crusting
0
No crusting
1
Minimal crusting debrided with suction only
2
Moderate crusting (coating) requiring forceps debridement
3
Severe crusting (casting) causing obstruction