Evidence map›Paper›PMID 41409850›Full record

ArticleSurgical neurology international2025

Extra-ventricular application of flexible neuro-endoscopy in intracranial epidermoid cyst open resection: A novel technique.

Christopher Hiu Fung Sum, Desiree Ka-Ka Wong, Jonathan Yeung, J K Sham, Ben Chat Fong Ng, Calvin H K Mak

Abstract readCase Reports
In one paragraph

Article in Surgical neurology international, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Christopher Hiu Fung SumDepartment of Neurosurgery, Queen Elizabeth Hospital, Hong Kong.
Desiree Ka-Ka WongDepartment of Neurosurgery, Queen Elizabeth Hospital, Hong Kong.
Jonathan YeungDepartment of Neurosurgery, Queen Elizabeth Hospital, Hong Kong.
J K ShamDepartment of Neurosurgery, Queen Elizabeth Hospital, Hong Kong.
Ben Chat Fong NgDepartment of Neurosurgery, Queen Elizabeth Hospital, Hong Kong.
Calvin H K MakDepartment of Neurosurgery, Queen Elizabeth Hospital, Hong Kong.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Intracranial epidermoid cysts are congenital lesions with a predilection for midline or paramedian spaces including the cerebellopontine cistern, fourth ventricle, or the interhemispheric fissure. The only effective treatment is resection. Conventionally, epidermoid cysts are resected with open transcranial approaches. The advent of neuroendoscopy has allowed for less invasive options and can assist open microneurosurgery in better visualization of the lesion around corners. As rigid neuroendoscopes are limited in accessing tight corners, flexible endoscopy has been proposed to assist neurosurgery, with the additional angles of view and the advantage of tip-steerability. We present a case of flexible endoscopy assistance in epidermoid cyst resection. Case Description: A 41-year-old woman presents with a posterior fossa epidermoid cyst, where suboccipital craniotomy and flexible endoscopy-assisted resection allowed for visualization of the remaining cranial portion of the tumor in the 4 Conclusion: We illustrate the novel use of flexible endoscopy to assist with the resection of a recurrent posterior fossa epidermoid cyst and an interhemispheric epidermoid cyst.

Indexed as

Camera on a chip endoscopyEpidermoid cystExtraventricularFlexible-endoscopy-assisted open microneurosurgeryFlexible neuroendoscopyJ-maneuver

Identifiers

PMID41409850
PMCPMC12707713

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.