Temporal augmentation with calvarial onlay graft during pterional craniotomy for prevention of temporal hollowing.
- Author:
Ji Hyun KIM
1
;
Ryun LEE
;
Chi Ho SHIN
;
Han Kyu KIM
;
Yea Sik HAN
Author Information
- Publication Type:Original Article
- Keywords: Craniotomy; Bone transplantation; Temporal bone; Temporal muscle
- MeSH: Atrophy; Bone Transplantation; Brain Neoplasms; Craniotomy*; Follow-Up Studies; Humans; Inlays*; Operative Time; Patient Satisfaction; Temporal Bone; Temporal Muscle; Transplants*
- From:Archives of Craniofacial Surgery 2018;19(2):94-101
- CountryRepublic of Korea
- Language:English
- Abstract: BACKGROUND: Atrophy of muscle and fat often contributes to temporal hollowing after pterional craniotomy. However, the main cause is from the bony defect. Several methods to prevent temporal hollowing have been introduced, all with specific limitations. Autologous bone grafts are most ideal for cranial defect reconstruction. The authors investigated the effectiveness of bony defect coverage and temporal augmentation using pterional craniotomy bone flap. METHODS: This study was conducted in 100 patients who underwent brain tumor excision through pterional approach from 2015 to 2016. Group 1 underwent pterional craniotomy with temporal augmentation and group 2 without temporal augmentation. In group 1, after splitting the calvarial bone at the diploic space, the inner table was used for covering the bone defect and as an onlay graft for temporal augmentation. The outcome is evaluated by computed tomography at 1-year follow-up. RESULTS: The mean operative time for temporal augmentation was 45 minutes. The mean follow-up was 12 months. The ratio of temporal thickness of operated side to non-operated side was 0.99 in group 1 and 0.44 in group 2, which was statistically different. The mean visual analogue scale score was 1.77 in group 1 and 6.85 in group 2. CONCLUSION: This study demonstrated a surgical technique using autologous bone graft for successfully preventing the temporal hollowing and improved patient satisfaction.
