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Record W1967730268 · doi:10.1159/000056022

Ventriculoscope Tract Recurrence after Endoscopic Biopsy of Pineal Germinoma

2001· article· en· W1967730268 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenuePediatric Neurosurgery · 2001
Typearticle
Languageen
FieldNeuroscience
TopicCerebrospinal fluid and hydrocephalus
Canadian institutionsBC Children's HospitalUniversity of British Columbia
Fundersnot available
KeywordsMedicineGerminomaEndoscopic third ventriculostomyBiopsyVentriculostomyHydrocephalusRadiation therapyCraniotomyStereotactic biopsyGerm cell tumorsSurgeryRadiologyChemotherapy

Abstract

fetched live from OpenAlex

Recurrence along an endoscope tract has been described after endoscopic biopsy and resection of malignant tumors arising in multiple organ systems. We describe a case of tract recurrence following the ventriculoscopic biopsy of a central nervous system tumor. A retrospective review of the patient's clinical course, radiology and pathology was undertaken to formulate a case report. A 14-year-old boy was treated with endoscopic third ventriculostomy and endoscopic biopsy of a pineal germinoma associated with hydrocephalus. Persistent hydrocephalus required repeat third ventriculostomy. The patient subsequently received focal external beam radiotherapy. Seventeen months after the first third ventriculostomy, a routine MRI revealed a 2-cm enhancing mass in the ventriculoscope tract. This was removed via a right frontal craniotomy. Again the pathology was germinoma. Serum and CSF markers were negative at initial presentation and at the time of recurrence. The potential for tract recurrence and CSF dissemination should be considered following the endoscopic biopsy of pineal germ cell tumors as this could affect the extent of radiotherapy and/or chemotherapy.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.006
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.002
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.023
GPT teacher head0.259
Teacher spread0.235 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it