Dataset Information

[Purely endoscopic supracerebellar infratentorial approach for epidermoid cyst in third ventricle].

ABSTRACT: Background:The epidermoid cyst as a pineal region tumor is an infrequent pathology and with few descriptions in literature. Its prevalence in the third ventricle is 0,0042% of all intracranial tumors. To achieve a complete exéresis we used an endoscopic supracerebellar-infratentorial approach, surgical technique for pineal region approach. Objectives:The purpose of this work is to show the surgical technique of this novel approach for the treatment of a very infrequent disease. Methods:16 years old male patient with history of diabetes insipidus and chronic headaches (m-RS 1). Brain MRI showed a lesion with hyperintensity in T2WI and hypointensity in T1WI. It presents peripheral enhancement with gadolinium and restricted diffusion pattern in DWI. The pituitary stalk also showed enhancement with contrast. Germ cell tumor was a possible diagnosis but tumor cell markers were negative in CSF samples. We decided to make the purely endoscopic approach to the region to make a biopsy and a possible resection. Intraoperative pathology result informed an epidermoid tumor, so we continued with the complete exeresis of the tumor. Results:We achieved a complete resection of a third ventricle epidermoid cyst with a purely endoscopic supracerebellar-infratentorial approach and a skull base rigid endoscope in a 16 years old male patient. The patient has recovered without any sequelae, headaches free but persistence of diabetes insipidus (m-RS 1).Conclusion: The purely endoscopic supracerebellar-infratentorial approach is a safe option to the surgical management of third ventricle pathologies, in this case, an epydermoid cyst.

SUBMITTER: Rubino F

PROVIDER: S-EPMC7159061 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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[Purely endoscopic supracerebellar infratentorial approach for epidermoid cyst in third ventricle].

Rubino Franco F Aguilera Santiago S Campbell Juan Iaconis JI Mural Miguel M Salas Eduardo E Cersosimo Tito Adrian TA

Surgical neurology international 20190625 Suppl 1

<h4>Background</h4>The epidermoid cyst as a pineal region tumor is an infrequent pathology and with few descriptions in literature. Its prevalence in the third ventricle is 0,0042% of all intracranial tumors. To achieve a complete exéresis we used an endoscopic supracerebellar-infratentorial approach, surgical technique for pineal region approach.<h4>Objectives</h4>The purpose of this work is to show the surgical technique of this novel approach for the treatment of a very infrequent disease.<h4 ...[more]

PMID: 32300490

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Project description:BackgroundThe endoscopic supracerebellar-infratentorial (SCIT) approach is a viable method to access pathology of the posterior incisura, but a narrow working space and frequent instrument conflict can potentially limit its surgical efficacy. We planned an endoscopic-assisted paramedian infratentorial supracerebellar approach for pineal cyst.Case descriptionPatient was placed in prone position under general anesthesia. His head was rotated to the left side slightly. The location of the transverse sinus was detected with navigation system. A 5 cm linear skin incision was performed, and a 2 cm craniectomy was performed about 2 cm left of the median. The transverse sinus was little bit exposed. Dura was incised in a U-shaped incision with the transverse sinus at the base. The endoscope was advanced along with the culmen. At that time, we observed inferior and superior vermian vein. After reaching to the thick arachnoid near by galenic system, the arachnoid membrane was incised and the CSF was evacuated. After that, the cerebellum became soft and the surgical corridor became large. The arachnoid membrane was incised widely. Pineal cyst, precentral cerebellar vein, bilateral internal occipital vein and great vein of galen were exposed. There were some small veins on the pineal cyst, but the adhesion was not so severe. The cyst was dissected from these small veins. There was no adhesion between the cyst and surrounding brain except for the pineal recess. Bilateral ICV was seen behind the cyst. There was feeding artery and draining vein on the antero-lateral part of the cyst. These vessels were coagulated and cut, then the cyst was removed. After the removal, we confirmed complete removal of the cyst and hemostasis.ConclusionEndoscopic-assisted paramedian SCIT approach for pineal cyst in prone position is a reasonable and efficient access for posterior third ventricular lesions. The learning curve, maneuverability in small space, and instrument conflict limit efficacy.

Dataset Information

[Purely endoscopic supracerebellar infratentorial approach for epidermoid cyst in third ventricle].

Publications

[Purely endoscopic supracerebellar infratentorial approach for epidermoid cyst in third ventricle].

Similar Datasets

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