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KMID : 1143720110070020078
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Korean Journal of Neurotrauma
2011 Volume.7 No. 2 p.78 ~ p.82
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The Efficacy of Temporal Mesh Plate Floating Technique for Keyhole Site Depression after Frontotemporal Craniotomy
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Lee Min-Seok
Lee Yoon-Soo
Lee Jeong-Ho
Ryu Kee-Young
Kang Dong-Gee
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Abstract
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Objectives The keyhole site depression is the major cosmetic problem after the frontotemporal craniotomy. Keyhole site bone defect and the temporalis muscle atrophy are the main causes of the keyhole site depression. The purpose of this study is to evaluate the efficacy of temporal mesh plate floating technique for keyhole site depression.
Methods: Total 109 patients who underwent frontotemporal craniotomy from January 2009 to December 2010 were enrolled in this study. The temporal mesh plate floating techniques were performed in 55 patients (Group A), and no other supporting materials were used in the remaining 54 patients (Group B). Each group was divided into single and repeated craniotomy groups for the reason that the repeated craniotomy might result in more severe keyhole site depression. The depth of keyhole site was measured from at least 3-month postoperative brain computed tomography, and the rate of depression was recorded in percentage by comparing to the contralateral side.
Results:The overall rate of keyhole site depression was 11.60% in group A with 9.70% in single craniotomy group and 22.75% in repeated craniotomy group, respectively. The overall rate was 44.57% in group B with 41.43% in single craniotomy group and 49.50% in repeated craniotomy group, respectively. The rate of depression was evidently more severe in group B than group A with statistical significance.
Conclusion:Temporal mesh plate floating technique is very easy and cost-effective method to reconstruct temporalis muscle, and is useful to prevent keyhole site depression after frontotemporal craniotomy.
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KEYWORD
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Temporal muscle, Craniotomy, Surgical technique
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