Efficacy of neuroendoscopic procedures in minimally invasive preferential management of pineal region tumors: a prospective study

Oi, Shizuo; Shibata, Masayoshi; Tominaga, Jiro; Honda, Yumie; Shinoda, Masaki; Takei, Futoshi; Tsugane, Ryuichi; Matsuzawa, Kazuhito; Sato, Osamu

doi:10.3171/jns.2000.93.2.0245

Cited by 161 publications

(64 citation statements)

References 39 publications

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“…Total extirpation of colloid cysts 1,3,4,[13][14][15] , cystic decompression of craniopharyngiomas 2) , sampling of intraventricular brain tumors 5,7,9,11,[16][17][18][19]22) , and removal of solid tumors 9,11,16) have been reported with increasing frequency since the advent of recent technological advances in endoscopic equipment. The usefulness of endoscopic tumor management is based on the principle that the intraventricular CSF serves as an excellent natural medium for image and light transmission.…”

Section: Discussionmentioning

confidence: 99%

“…The evolutions of endoscopic techniques and improvement in adequacy of diagnosis have allowed us to dramatically change the prognosis and therapeutic regimen in pineal region tumors. Recently, neuroendoscopy has beomce the preferred technique to achieve minimally invasive management of these lesions 17) . The usefulness of endoscopic tumor management is based on the principle that the intraventricular cerebrospinal fluid (CSF) serves as an excellent natural medium for image and light transmission.…”

Section: Introductionmentioning

confidence: 99%

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Transventricular Biopsy of Brain Tumor without Hydrocephalus Using Neuroendoscopy with Navigation

Song

Kong

Seol

et al. 2010

J Korean Neurosurg Soc

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Objective : It is usually difficult to perform the neuroendoscopic procedure in patients without hydrocephalus due to difficulties with ventricular cannulation. The purpose of this study was to find out the value of navigation guided neuroendoscopic biopsy in patients with peri-or intraventricular tumors without hydrocephalus. Methods : Six patients with brain tumors without hydrocephalus underwent navigation-guided neuroendoscopic biopsy. The procedure was indicated for verification of the histological diagnosis of the neoplasm, which was planned to be treated by chemotherapy and/or radiotherapy as the first line treatment, or establishment of the pathological diagnosis for further choice of the most appropriate treatment strategy. Results : Under the guidance of navigation, targeted lesion was successfully approached in all patients. Navigational tracking was especially helpful in entering small ventricles and in approaching the third ventricle through narrow foramen Monro. The histopathologic diagnosis was established in all of 6 patients : 2 germinomas, 2 astrocytomas, 1 dysembryoplastic neuroepithelial tumor and 1 pineocytoma. The tumor biopsy sites were pineal gland (n = 2), suprasellar area (n = 2), subcallosal area (n = 1) and thalamus (n = 1). There were no operative complications related to the endoscopic procedure. Conclusion : Endoscopic biopsy or resection of peri-or intraventricular tumors in patients without hydrocephalus is feasible. Image-guided neuroendoscopic procedure improved the accuracy of the endoscopic approach and minimized brain trauma. The absence of ventriculomegaly in patients with brain tumor may not be served as a contraindication to endoscopic tumor biopsy.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Transventricular Biopsy of Brain Tumor without Hydrocephalus Using Neuroendoscopy with Navigation

Song

Kong

Seol

et al. 2010

J Korean Neurosurg Soc

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“…2,6,7,9,13,15,17,18,22 Many factors, including the surgical technique, the tumor type, and the experience of the pathologist can influence the success of a diagnostic tumor biopsy procedure. In the current series of patients who underwent endoscopic surgery for intraventricular tumors, 24 of the 26 procedures were performed for tissue sampling.…”

Section: Discussionmentioning

confidence: 99%

Endoscopic management of pediatric brain tumors

Souweidane¹

2005

FOC

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Object Primary endoscopic procedures for children with intraventricular brain tumors include endoscopic tumor biopsy and endoscopic tumor removal. The simultaneous treatment of hydrocephalus with endoscopic third ventricu-lostomy (ETV) or endoscopic septostomy increases the appeal of a minimally invasive endoscopic approach. Methods Eighty-five patients who underwent endoscopic management of an intraventricular brain tumor were identified from a prospective database. Of these patients, 26 were younger than 21 years of age at the time of diagnosis. The surgical technique, its success rate, and patient outcome were assessed. Illustrative cases are used in this study to detail the procedure of endoscopic tumor biopsy and resection. Endoscopic tumor procedures were successful in 96% of cases (23 of 24 endoscopic tumor biopsy samples and both endoscopic tumor removals). Fourteen simultaneous procedures were performed to treat hydrocephalus successfully. There was no recognized morbidity from the surgical procedures. Conclusions Endoscopic surgery in children with intraventricular brain tumors is an effective and safe method for sampling of the lesion and, in select cases, its resection. This minimally invasive technique should be considered in situations in which the patient might thereby avoid a more conventional procedure, given the high rate of success and low morbidity associated with endoscopic management.

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“…With the advancements in endoscopic neurosurgical procedures and stereotactic biopsies and the ability to reach the diagnosis by markers, the role of open surgery to obtain a tissue diagnosis has declined [27]. However, if tumor resection/debulking is indicated after tissue diagnosis, open surgery is still a viable option.…”

Section: Role Of Open Surgerymentioning

confidence: 99%

Pineal region tumors: a simplified management scheme

Zaazoue

Goumnerova

2016

Childs Nerv Syst

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Tumors of the pineal region are rare and their optimal management remains controversial. In this editorial, we propose a simplified and stratified management scheme for tumors in this region. Incidence, presentation, and different types of pineal region tumorsPineal region tumors comprise 2.5-8.5 % of pediatric intracranial tumors, being more common in the Asian populations [1,2]. These tumors are diverse in cell origin [3,4], most commonly germ cell tumors (GCT) followed by pineal parenchymal tumors (PPT) (Fig. 1).Patients usually present with obstructive hydrocephalus, symptoms/signs of brainstem compression, or evidence of precocious puberty or diabetes insipidus from metachronous GCTs, which are bifocal tumors occurring in the pineal and suprasellar regions simultaneously [5,6]. Brain and whole spine MRI with and without contrast should always be performed upon presentation ( Fig. 2 and cover image) and prior to any procedure to assess for extent of disease [7].

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Efficacy of neuroendoscopic procedures in minimally invasive preferential management of pineal region tumors: a prospective study

Cited by 161 publications

References 39 publications

Transventricular Biopsy of Brain Tumor without Hydrocephalus Using Neuroendoscopy with Navigation

Transventricular Biopsy of Brain Tumor without Hydrocephalus Using Neuroendoscopy with Navigation

Endoscopic management of pediatric brain tumors

Pineal region tumors: a simplified management scheme

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