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Arachnoid cysts in children: a European co-operative study
R W Oberbauer1, J Haase, R Pucher
1Universitätsklinik für Neurochirurgie, Graz, Austria.
Insights
This study analyzed pediatric arachnoid cysts, finding surgery effective. Most cysts reduced in size or disappeared post-operation, correlating with improved clinical outcomes.
Area of Science:
- Pediatric Neurosurgery
- Neuroradiology
- Neurology
Background:
- Arachnoid cysts are congenital cerebrospinal fluid collections.
- They can cause symptoms due to mass effect or obstruction.
- Surgical intervention is considered for symptomatic cases.
Purpose of the Study:
- To analyze surgical outcomes for pediatric arachnoid cysts.
- To evaluate the efficacy of different surgical procedures.
- To correlate imaging findings with clinical results.
Main Methods:
- Retrospective analysis of 285 pediatric patients (0-15 years) operated between 1980-1988.
- Data collection included demographics, cyst location, surgical procedure, and follow-up imaging (CT scans).
- Correlation of postoperative morphological changes with clinical outcomes.
Main Results:
- Predominance in boys (64%) with a mean onset age of 6 years.
- Common locations included midline and sylvian fissure (40%).
- Open surgery (excision/marsupialization) was preferred (43.3%), with shunting for deeper lesions (22.8%). Postoperative cyst size reduction occurred in 61%, complete disappearance in 18%.
Conclusions:
- Surgical treatment for pediatric arachnoid cysts is effective.
- Open surgery and shunting procedures yield positive morphological and clinical outcomes.
- Postoperative imaging findings correlate with clinical improvement.
Abstract:
The data on arachnoid cysts in children (0-15 years) operated upon between 1980 and 1988 were analysed in a retrospective, co-operative study. The results from 285 patients indicate a predominance of these lesions in boys (64%) more than girls (36%) and a mean age of 6 years at onset of symptoms. Focal EEG patterns corresponding to the cyst's location were encountered in 32%. About 40% of all cysts were located along the midline, the sylvian fissure representing the predominant location. Open surgery, i.e. total excision or marsurpialization (together 43.3%), emerged as the first-choice surgical procedure. The type of surgery switched somewhat to shunting procedures in cases of lesions in deeper locations (22.8%). Morphological results on follow-up revealed a reduction of the size of the cyst in a significant majority (61%); in 18% the cyst had disappeared completely on CT scans. There was an obvious correlation between postoperative morphological findings and clinical outcome.