Evidence map›Paper›PMID 39845304›Full record

ArticleNeurosurgical focus: Video2025

Motor mapping-guided resection of a brainstem recurrent pilocytic astrocytoma.

Xiaopeng Guo, Mitali Bose, Colin Patrick Galvin, Wenya Linda Bi

Abstract read
In one paragraph

Article in Neurosurgical focus: Video, 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

4 authors.

Xiaopeng GuoDepartment of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
Mitali BoseSpecialtyCare Inc., Neuro Services, Brentwood, Tennessee.
Colin Patrick GalvinDepartment of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
Wenya Linda BiDepartment of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Brainstem tumors are bounded by a compact topography of eloquent tracts, cranial nerves, and nuclei. Reliable intraoperative neuromonitoring aids microneurosurgical technique to optimize safe resection. The authors present a case of motor mapping-guided resection of a recurrent brainstem pilocytic astrocytoma. They demonstrate reliable and continuous responses from the corticospinal tract at the level of the midbrain to the pons with dynamic subcortical motor mapping using a monopolar stimulating suction. Contralateral limb and ipsilateral face muscles can be simultaneously detected and tumor resected until a threshold of less than 1 mA, corresponding to 1 mm or less from the corticospinal tracts. The video can be found here: https://stream.cadmore.media/r10.3171/2024.10.FOCVID24110.

Indexed as

brainstemcorticobulbar motor evoked potentialscorticospinal tractintraoperative neuromonitoringpilocytic astrocytomasubcortical motor mapping

Identifiers

PMID39845304
PMCPMC11748952

What OpenQuestion holds

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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.