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CC BY-NC-ND 4.0 · Asian J Neurosurg 2025; 20(02): 427-430
DOI: 10.1055/s-0045-1806730
Case Report

The Rare Presentation of Traumatic Intracranial Hypotension: A Case Report

Satya Bhusan Senapati
1   Department of Neurosurgery, Institute of Medical Sciences and Sum Hospital, Bhubaneswar, Odisha, India
,
Abhijit Acharya 
1   Department of Neurosurgery, Institute of Medical Sciences and Sum Hospital, Bhubaneswar, Odisha, India
,
Ranjan Kumar Mohanty
2   Department of Neurology, Institute of Medical Sciences and Sum Hospital, Bhubaneswar, Odisha, India
,
Sumirini Puppala
2   Department of Neurology, Institute of Medical Sciences and Sum Hospital, Bhubaneswar, Odisha, India
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Funding None.
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Abstract

Cerebrospinal fluid (CSF) provides buoyant support to the brain and spinal cord. According to the Monroe-Kellie doctrine, confined space in the cranium causes any change in CSF volume contributing to significant intracranial pressure changes, which cause a variety of pathologies and symptoms. We, hereby, present a case of a 33-year-old gentleman who after a motorcycle road traffic accident came to us complaining of persistent headache and neck pain with subdural hematoma (SDH) like presentation, clinically and radiologically, but was reevaluated and diagnosed as traumatic intracranial hypotension and successfully managed surgically after that. Hygromas are believed to be compensatory enlargement of the subdural space due to the loss of CSF volume. The true mechanism of the development of SDH or hygroma due to intracranial hypotension is yet to be hypothesized but provisionally described by a rupture of the bridging veins by being pulled away from the dura because of the low intracranial pressure (ICP) and brain descent. Many prior cases in the literature are shown to have treated the patient with immediate burr hole and decompression of SDH, but this paradoxically worsens the patient due to further lowering of ICP. The causes of prolonged postconcussion headaches are often unidentified, of which intracranial hypotension caused by a CSF leak is potentially under-recognized. In such cases, bilateral SDH with mass effect must be ruled out of any CSF leak before attempting the lifesaving decompressive surgery, as it may paradoxically lead to further morbidity and mortality of the patient.

Keywords

cerebral contusion - headache - hygroma - intracranial hypotension - SDH - traumatic IH

Authors' Contributions

A.A. is the main author of the case report. S.P. was responsible for data analysis and discussion. R.K.M. was responsible for compilation of images. S.B.S. was responsible for literature review. The manuscript has been read and approved by all the authors and the requirements for authorship has been met and each author believes that the manuscript represents honest work.


Patients' Consent

The authors certify that they have obtained all appropriate patient consent forms. The patients understand that their names and initials will not be published, and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.




Publikationsverlauf

Artikel online veröffentlicht:
18. März 2025

© 2025. Asian Congress of Neurological Surgeons. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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