Efficacy Observation of Cranioplasty in the Treatment of Ruptured Middle Cranial Fossa Arachnoid Cyst with Cranial Deformity in Children.
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OBJECTIVE: To investigate the clinical efficacy of cranial reduction surgery in treating children with rupture of middle cranial fossa arachnoid cysts complicated by cranial deformity and to provide reference for clinical treatment. METHODS: This study retrospectively analyzed the clinical and imaging data of 5 children with rupture and hemorrhage of middle cranial fossa arachnoid cysts who underwent surgical treatment in the Department of Neurosurgery, Children's Hospital of Soochow University, from July 2016 to June 2024. All children had cranial deformities caused by arachnoid cysts, and they were all male with a median age of 6 years (range, 4-8 years). Among them, 3 children had arachnoid cysts located in the right temporal region, 1 in the left temporal region, and 1 involved both temporal regions. All children received a comprehensive treatment plan including craniotomy for hematoma evacuation, cystocephalostomy, subdural drainage, and cranial reduction surgery. RESULTS: The median follow-up time for the 5 children was 19 months (range, 6-97 months). Compared with preoperatively, all children and their families reported varying degrees of improvement in cranial appearance after the surgery. The volume of arachnoid cysts was reduced to varying degrees, and no recurrence of cyst rupture or hemorrhage occurred. CONCLUSIONS: When selecting a treatment plan for arachnoid cysts, it is essential to take into account the clinical symptoms and imaging findings of the children. For cases where the rupture of arachnoid cysts leads to refractory chronic bleeding or acute bleeding that cannot be effectively managed by burr hole drainage to evacuate the hematoma and relieve intracranial hypertension, and when the children also present with cranial deformity, the combined treatment plan of craniotomy for hematoma evacuation and cranial reduction surgery may be a viable option. This surgical approach not only effectively removes intracranial hematomas and alleviates intracranial hypertension but also improves cranial deformity. However, further research is needed to determine whether this surgical approach can reduce the recurrence rate of arachnoid cyst rupture and bleeding.