Evidence map›Paper›PMID 42553463›Full record

ArticleCureus2026

A Case of Convexity Meningioma Presenting With Acute Subdural Hematoma: A Case Report With a Pooled Analysis of 63 Reported Cases.

Nobuhiko Arai, Kazunari Yachi, Toshiharu Otaka, Ryutaro Ishihara, Atsushi Arakawa, Takao Fukushima

Abstract readCase Reports
In one paragraph

Article in Cureus, 2026. 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.

Nobuhiko AraiNeurosurgery, Takashimadaira Chuo General Hospital, Tokyo, JPN.
Kazunari YachiNeurosurgery, Takashimadaira Chuo General Hospital, Tokyo, JPN.
Toshiharu OtakaNeurosurgery, Takashimadaira Chuo General Hospital, Tokyo, JPN.
Ryutaro IshiharaNeurosurgery, Takashimadaira Chuo General Hospital, Tokyo, JPN.
Atsushi ArakawaPathology, Aile Co. Ltd. Itabashi Central Clinical Laboratory, Tokyo, JPN.
Takao FukushimaNeurosurgery, Takashimadaira Chuo General Hospital, Tokyo, JPN.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Meningioma-associated acute subdural hematoma (ASDH) is an exceedingly rare clinical entity, and its hemorrhagic mechanisms remain poorly understood. A 65-year-old man presented with progressive headache without a history of trauma. Neurological examination revealed no focal deficits. Computed tomography demonstrated a left convexity acute subdural hematoma, while magnetic resonance imaging revealed a small adjacent extra-axial lesion with mild contrast enhancement. Digital subtraction angiography showed only minimal tumor staining and no evidence of vascular malformation. The patient underwent gross total resection of the tumor and evacuation of the hematoma. Histopathological examination confirmed a meningothelial meningioma with focal disruption of intratumoral venous structures, intratumoral hemorrhage, necrosis, and focal areas of increased proliferative activity. The postoperative course was uneventful, and the patient recovered without neurological deficits. Previously reported cases are discussed to provide clinical context and highlight the diverse presentations and management strategies of this rare condition. Although rare, meningioma should be considered a potential source of non-traumatic ASDH. Because reliable preoperative predictors of hemorrhage have not been established, management should be individualized according to tumor-hematoma continuity, neurological status, surgical feasibility, and patient preferences.

Indexed as

acute subdural hematomabenign brain tumorbrain bleedconvexity meningiomahemorrhagic meningiomameningothelial meningiomapoor prognostic factorprognostic markerssystemic literature reviewtumor hemorrhage

Identifiers

PMID42553463
PMCPMC13435536

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