ArticleCureus2023
Subependymal Giant Cell Astrocytoma Non-Associated With Tuberous Sclerosis Complex and Expression of OCT-4 and INI-1: A Case Report.
Article in Cureus, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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.
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.
Who cites it
3 citing papers in PubMed, 2 citations in OpenAlex.
- Solitary subependymal giant cell astrocytoma lacking TSC1/2 mutations and TTF-1 expression: A potential diagnostic pitfall.Neuropathology : official journal of the Japanese Society of Neuropathology · 2025Article
- Review
- Bleeding solitary SEGA in non-tuberous sclerosis complex adolescent: a case illustration and review of literature.Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2024Review
Corrections and comments
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Authors and funding
3 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Subependymal giant cell astrocytoma (SEGA) is a rare, slow-growing tumor with a dual (neuroglial) component that is typically associated with tuberous sclerosis complex (TSC). We present the case of a healthy 19-year-old man with mild occipital trauma followed by two weeks of intense headache, with no response to analgesics. Imaging studies revealed a well-defined tumor in the left paraventricular zone. A biopsy showed a SEGA (GFAP+, NF+, nestin+, CK-EA3/EA4+, and TTF1+). TSC was ruled out. An immunohistochemistry (IHC) panel showed aberrant cytoplasmic expression of octamer-binding transcription factor 4 (OCT-4) in endothelial cells, pericytes, and some astrocyte-type cells; integrase interactor 1 (INI-1) expression was observed in the cytoplasm of neoplastic cells; SEGA was not associated with TSC; the expression of nestin and OCT-4 suggested their origin in neuroepithelial stem cells; thyroid transcription factor 1 (TTF-1) expression supported its origin in diencephalic structures. Tuberin expression was decreased. An aberrant pattern of INI-1 was observed, which, together with OCT-4 findings, has not been previously described.
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Registered trials
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.