Related Experiment Videos
MRI depiction of chronic intradural (subdural) hematoma in evolution
John L D Atkinson1, John I Lane, Allen J Aksamit
1Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota 55905, USA. atkinson.john@mayo.edu
Abstract:
The usual chronic subdural hematoma encountered in the elderly is actually thought to be a chronic intradural hematoma, which has been described clinically and anatomically. However, the evolution of how this chronic hematoma occurs remains enigmatic. We report the first magnetic resonance (MR) depiction of an apparent chronic intradural hematoma in evolution over several months in a 61-year-old man after a minimal head injury. The time delay from injury, subsequent focal pachymeningeal T1-gadolinium enhancement, and apparent splitting of the pachymeninges by proven chronic hematoma should serve as a stimulus for further MR investigations of this interesting process.
Insights
Chronic subdural hematoma may actually be chronic intradural hematoma. This case presents the first magnetic resonance imaging (MRI) depiction of such a hematoma evolving over months after minor head trauma.
Area of Science:
- Neurology
- Radiology
- Neurosurgery
Background:
- Chronic subdural hematoma (CSDH) is common in the elderly, often following minor head trauma.
- CSDH is clinically and anatomically recognized, but its evolutionary process remains unclear.
- This condition is often presumed to originate from an intradural source.
Observation:
- A 61-year-old male experienced a minimal head injury.
- Magnetic resonance (MR) imaging was performed over several months.
- The imaging revealed a suspected chronic intradural hematoma in the process of development.
Findings:
- The study presents the first MR depiction of a chronic intradural hematoma evolving over months.
- Key findings include a significant time delay from injury, focal pachymeningeal T1-gadolinium enhancement, and apparent splitting of the pachymeninges.
- The hematoma was confirmed as chronic and intradural in origin.
Implications:
- This case challenges the traditional understanding of CSDH etiology.
- It highlights the importance of advanced MR imaging in diagnosing and understanding hematoma evolution.
- Further MR investigations are warranted to elucidate the mechanisms of chronic intradural hematoma formation.