ArticleJournal of neurosurgery. Case lessons2025
Laser ablation of a fourth ventricular hamartoma causing medically refractory hemifacial spasms in a child: illustrative case.
Article in Journal of neurosurgery. Case lessons, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundHamartomas of the floor of the fourth ventricle (HFFVs) are rare lesions that cause a variety of symptoms, including hemifacial spasm (HFS). When symptomatic, these deep-seated lesions are traditionally treated via open surgical approaches. The authors describe successful laser interstitial thermal therapy (LITT) of an HFFV causing intractable HFS. OBSERVATIONS: A healthy 19-month-old girl presented with right HFS, present since birth, occurring continuously throughout the day. MRI revealed a right HFFV. Following an unsuccessful trial of medical treatment and serial imaging to rule out a neoplastic process, she underwent LITT of the HFFV with immediate resolution of her facial spasm. She was discharged on postoperative day 1 with durability of her treatment at the 1-year follow-up and no neurological complications. LESSONS: Laser ablation of HFFVs provides a well-tolerated, durable treatment option for HFFVs in pediatric patients. https://thejns.org/doi/10.3171/CASE24721.
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