INTRODUCTION: Craniopharyngiomas are tumours of the central nervous system of dysontogenetic origin. They are most commonly localized in the sellar region and appear to originate from an embryogenetic defect of the Rathke cleft. It is universally accepted that radical surgery should be performed as first surgery because surgery after relapses usually causes more difficulty due to tighter adhesion to surrounding structures. It is essential when relapses occur to evaluate which technique to use for treatment. For this reason, any new approach is welcomed in order to have as many alternatives as possible. MATERIAL AND METHODS: In this paper we present the treatment, with a minimum follow-up of 4 years, of 5 paediatric patients affected by cystic craniopharyngiomas who went through first traditional surgery in other institutions and suffered relapses in various anatomical structures. One had a second successful endoscopic attempt at total gross resection. In 3 cases we endoscopically implanted a stent in the cystic cavity draining the cystic liquid out from the cystic cavity of the craniopharyngioma to the sphenoid sinus in order to form an accessory sinus. In 1 case a multiphase treatment has been undertaken. RESULTS: All patients treated using a transsphenoidal endoscopic approach are still living, without relapses and no postoperative complications. In particular, there where no episodes of vasospasm (a common complication reported in the literature when the "motor oil" comes into contact with the subarachnoid space) or infections. The patient treated using the multiphase approach recovered but suffered a recurrence 2 years later due to hypothalamic infiltration. DISCUSSION AND CONCLUSIONS: Craniopharyngioma relapse needs different treatments. Many alternative approaches have been reported but none of them is the first choice alternative. We believe endoscopic stent placement in the cystic cavity is an alternative method for the treatment of cystic relapses.
INTRODUCTION: Craniopharyngiomas are tumours of the central nervous system of dysontogenetic origin. They are most commonly localized in the sellar region and appear to originate from an embryogenetic defect of the Rathke cleft. It is universally accepted that radical surgery should be performed as first surgery because surgery after relapses usually causes more difficulty due to tighter adhesion to surrounding structures. It is essential when relapses occur to evaluate which technique to use for treatment. For this reason, any new approach is welcomed in order to have as many alternatives as possible. MATERIAL AND METHODS: In this paper we present the treatment, with a minimum follow-up of 4 years, of 5 paediatric patients affected by cystic craniopharyngiomas who went through first traditional surgery in other institutions and suffered relapses in various anatomical structures. One had a second successful endoscopic attempt at total gross resection. In 3 cases we endoscopically implanted a stent in the cystic cavity draining the cystic liquid out from the cystic cavity of the craniopharyngioma to the sphenoid sinus in order to form an accessory sinus. In 1 case a multiphase treatment has been undertaken. RESULTS: All patients treated using a transsphenoidal endoscopic approach are still living, without relapses and no postoperative complications. In particular, there where no episodes of vasospasm (a common complication reported in the literature when the "motor oil" comes into contact with the subarachnoid space) or infections. The patient treated using the multiphase approach recovered but suffered a recurrence 2 years later due to hypothalamic infiltration. DISCUSSION AND CONCLUSIONS:Craniopharyngioma relapse needs different treatments. Many alternative approaches have been reported but none of them is the first choice alternative. We believe endoscopic stent placement in the cystic cavity is an alternative method for the treatment of cystic relapses.
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