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Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
Published on: August 11, 2015
Surgical approach to children with craniopharyngiomas and severely impaired vision: special considerations
A Pierre-Kahn1, C Sainte-Rose, D Renier
1Department of Pediatric Neurosurgery, Hôpital Necker-Enfants Malades, Paris, France.
Insights
This study on craniopharyngioma surgery in children found that preoperative cyst decompression can reduce visual problems. However, the interopticocarotid surgical approach poses a risk of vision worsening.
Area of Science:
- Pediatric Neurosurgery
- Ophthalmology
- Oncology
Background:
- Craniopharyngiomas are common pediatric brain tumors affecting the pituitary gland and optic pathways.
- Surgical removal is the primary treatment, but visual sequelae are a significant concern.
Purpose of the Study:
- To analyze visual outcomes in children undergoing craniopharyngioma surgery.
- To evaluate the effectiveness of preoperative cyst decompression in mitigating visual deterioration.
Main Methods:
- Retrospective analysis of 30 children with craniopharyngiomas.
- Surgical approaches included subfrontal, translamina terminalis, pterional interopticocarotid, and transcallosal routes.
- A protocol of preoperative cyst aspiration was used for children with large cysts and compromised vision.
Main Results:
- Total tumor removal was the surgical goal.
- Preoperative cyst decompression aimed to improve vision and limit postoperative visual sequelae.
- The interopticocarotid surgical route was associated with a risk of postoperative visual worsening.
Conclusions:
- Preoperative cyst decompression is a valuable strategy for reducing visual sequelae in pediatric craniopharyngioma patients.
- Careful consideration of surgical approaches, particularly the interopticocarotid route, is necessary to minimize visual risks.
Abstract:
A series of 30 children with craniopharyngiomas is presented, analyzing visual sequelae following surgery. All were operated on with the goal of total removal. Surgical routes used were subfrontal prechiasmatic or translamina terminalis, pterional interopticocarotid, transcallosal, or a combination of these various avenues. The choice of the approach depended upon the type, pre- or retrochiasmatic, of the tumor expansions. Children with large cysts and preoperatively low vision, or vision at risk of rapid deterioration, were submitted to a protocol aiming to preoperatively decompress the visual pathway by repeated aspirations of the cyst with the hope this would improve vision before surgery and limit risks of postoperative visual deterioration. In these cases, the removal of the tumor was postponed until vision had reached a stable new level. The authors emphasize the interest of this procedure in reducing the rate of postoperative visual sequelae. However, they also point out that the interopticocarotid route carries a nonnegligible risk of postoperative visual worsening.
