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Related Experiment Video

Updated: Mar 19, 2026

Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage
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Subdural Hematoma Mimickers: A Systematic Review.

Dragos Catana1, Alex Koziarz1, Aleksa Cenic1

  • 1Division of Neurosurgery, McMaster University, Hamilton, Ontario, Canada.

World Neurosurgery
|June 9, 2016
PubMed
Summary
This summary is machine-generated.

Subdural hematoma mimickers can present atypically. Recognizing these features, especially hyperdense collections on CT and T2-weighted MRI without trauma history, is crucial for accurate diagnosis and appropriate management.

Keywords:
Computed tomographyMagnetic resonance imagingMimicSubdural hematomaSubdural mass

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Area of Science:

  • Neurology
  • Radiology
  • Neurosurgery

Background:

  • Subdural pathologies can mimic subdural hematomas, presenting diagnostic challenges.
  • Literature reports various subdural masses with atypical presentations.

Purpose of the Study:

  • To identify atypical clinical and radiologic presentations of subdural masses that mimic subdural hematomas.
  • To analyze patient data for underlying pathologies, radiologic findings, and outcomes.

Main Methods:

  • Systematic review of MEDLINE and Embase databases.
  • Inclusion of 43 articles describing 48 patients with subdural hematoma mimickers.
  • Analysis of clinical presentations, pathologies, radiologic findings, and outcomes.

Main Results:

  • Common pathologies included lymphoma (29%), metastasis (21%), and sarcoma (15%).
  • CT findings varied, with hyperdense collections noted in 41% of cases.
  • Surgical treatment was common (71%), with 65% experiencing symptom resolution.

Conclusions:

  • Atypical history and radiologic features necessitate further investigation, including MRI.
  • Hyperdense subdural collections on CT and T2-weighted MRI, with progressive headache and no trauma, suggest atypical subdural pathology.
  • Prompt diagnosis is essential as some mimickers may be managed non-surgically.