Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Visual Outcome after Surgical Removal of Craniopharyngiomas

  • Kim, Yeon-Seong (Department of Neurosurgery, Chonnam National University Medical School) ;
  • Jung, Shin (Department of Neurosurgery, Chonnam National University Medical School) ;
  • Cheon, Hyo-Cheol (Department of Neurosurgery, Chonnam National University Medical School) ;
  • Jung, Tae-Young (Department of Neurosurgery, Chonnam National University Medical School) ;
  • Kang, Sam-Suk (Department of Neurosurgery, Chonnam National University Medical School) ;
  • Kim, Soo-Han (Department of Neurosurgery, Chonnam National University Medical School)
  • Published : 2006.03.30
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Abstract

Objective : In the present study, we evaluate visual outcomes after surgical removal of craniopharyngiomas and analyze the factors that are considered to affect visual outcomes. Methods : This study includes 30 patients with craniopharyngioma, who underwent surgery in this clinic during the last 10 years. The changes of visual function [visual acuity and field] of the patients were assessed preoperatively and postoperatively, and paired data of this change were compared. Also, the factors that influence on this change were analysed. Results : Among the 21 patients complaining of decreased vision before the operation, 8 patients were improved [38.0%], and 7 patients were worse [33.3%]. However, Four out of 9 patients without any preoperative visual symptoms developed worse vision after the operation [44.4%]. The average duration of symptom was 17.2 months in the improved group and 23.6 months in the aggravated group. The tumors recurred in only 5 patients after the gross total resection : Four of them showed the aggravation of visual function after surgical removal and 1 had improvement. Conclusion : After removal of craniopharyngiomas, the overall rate of vision improvement, no change and aggravation are 26.6%, 36.7% and 36.7%, respectively. Aggravation of postoperative visual function is higher in males, children and patients with a longer duration of symptom and the tumor recurres more frequently in patients who complained of worsened vision after surgical removal.

Keywords

References

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