서론

방법
수술 전 평가(preoperative assessment)
수술 술기(operative procedure)
환자 위치 잡기
절개선 고안 및 피판 거상
측두근막 채취 및 확대 하방기저 근골막 피판(extended inferior based musculoperiosteal flap, extended IBF) 거상
피질골 골편(bone pate) 채취
유양돌기절제술(mastoidectomy via inside-out approach) 시행
![]() | Fig. 2.Mastoidectomy via inside-out approach. Adapted from Kim, et al. Clin Exp Otorhinolaryngol 2019;12(4):360-6 [14]. |
상고실 폐색(attic obliteration)
![]() | Fig. 3.Obliteration of mastoid antrum and epitympanic space with crushed conchal cartilage. Adapted from Kim, et al. Clin Exp Otorhinolaryngol 2019;12(4):360-6 [14]. |
유양동 폐색(mastoid obliteration) 및 고막 재건
![]() | Fig. 4.Mastoid obliteration with bone pate (A) and extended inferior based flap (B). IBF, inferior based musculoperiosteal flap. Adapted from Kim, et al. Clin Exp Otorhinolaryngol 2019;12(4):360-6 [14]. |
![]() | Fig. 5.Schematic drawing of the procedure: completion state of the modified canal wall down mastoidectomy and mastoid obliteration. A temporalis muscle facia graft is placed on the extended inferior based flap reconstructing of the tympanic membrane. IBF, inferior based musculoperiosteal flap. Adapted from Kim, et al. Clin Exp Otorhinolaryngol 2019;12(4):360-6 [14]. |
수술 후 관리(postoperative management)

결과
