Related Experiment Video
Updated: Mar 20, 2026

02:22
Full-Endoscopic Surgery for Hypothalamic Hamartoma Resection
Published on: April 12, 2024
1.1K
Robot Assisted Stereotactic Laser Ablation for a Radiosurgery Resistant Hypothalamic Hamartoma
Nicholas Brandmeir1, Vinita Acharya2, Michael Sather1
1Department of Neurosurgery, Penn State Milton S Hershey Medical Center.
Cureus
|May 25, 2016
Summary
Frameless robot-assisted stereotactic laser ablation offers a promising new treatment for hypothalamic hamartomas (HH), particularly for adults who have not responded to radiosurgery. This technique achieved seizure freedom in a patient previously treated with Gamma Knife radiosurgery.
Area of Science:
- Neurosurgery
- Neurology
- Oncology
Background:
- Hypothalamic hamartomas (HH) are benign tumors causing epilepsy, especially gelastic seizures.
- Surgical resection and radiosurgery for HH have limitations, including high morbidity and poor seizure control, respectively.
- Stereotactic laser ablation shows promise in pediatric cases, combining benefits of other treatments.
Purpose of the Study:
- To report the first use of a frameless robot-assisted stereotactic system for treating a hypothalamic hamartoma.
- To evaluate the efficacy and safety of this novel approach in an adult patient.
Main Methods:
- A frameless robot-assisted stereotactic system was utilized for laser ablation of a hypothalamic hamartoma.
- The patient had a history of failed Gamma Knife radiosurgery treatments.
Main Results:
- The patient experienced unintentional weight loss and transient hemiparesis post-procedure.
- At six months, the patient remained seizure-free.
- The procedure was technically feasible using the frameless robotic system.
Conclusions:
- Frameless robot-assisted stereotactic laser ablation may be a viable and effective treatment for adult hypothalamic hamartomas, especially in radiosurgery-refractory cases.
- This technique warrants further investigation for efficacy and safety in this patient population.

