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Neurology
Contrast media mimicking subarachnoid hemorrhage after intrathecal injection in a patient with Creutzfeldt-Jakob disease
Taegyun Kim1,2orcid
Acute and Critical Care 2022;37(3):474-476.
DOI: https://doi.org/10.4266/acc.2022.00339
Published online: July 4, 2022

1Department of Emergency Medicine, Seoul National University Hospital, Seoul, Korea

2Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, Korea

Corresponding author: Taegyun Kim Department of Emergency Medicine, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul 03080, Korea Tel: +82-2-2072-3257, Fax: +82-2-741-7855, E-mail: kimtagyun@snuh.org
• Received: March 15, 2022   • Revised: April 28, 2022   • Accepted: April 30, 2022

Copyright © 2022 The Korean Society of Critical Care Medicine

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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This article has been corrected. See "Contrast media mimicking subarachnoid hemorrhage after intrathecal injection in a patient with Creutzfeldt-Jakob disease" in Volume 37 on page 693.
An 81-year-old man visited our emergency department with a chief complaint of altered consciousness. His Glasgow coma scale (GCS) score was 11 and brain magnetic resonance imaging findings were suggestive of Creutzfeldt-Jakob disease (CJD) (Figure 1). Fluoroscopy-guided cerebrospinal fluid (CSF) drainage was attempted, but only 1 mL of contrast media could be injected into the CSF space, confirming the location of the needle, without acquisition of any CSF. Eight hours later, his GCS score dropped to 8 and brain computed tomography (CT) scan showed high attenuation in the subarachnoid space suggestive of subarachnoid hemorrhage (SAH) (Figure 2A). High attenuation disappeared gradually from CT at 12 and at 24 hours (Figure 2B and C); this indicated that the suspected SAH was contrast media, and his GCS score recovered to 10. Five days later, CSF was drained. CSF red blood cell count, white blood cell count, protein level, and glucose level were 67/mm3, 0/mm3, 35 mg/dl, and 75 mg/dl, respectively. Tau protein (>4,000 pg/ml), Aβ42 protein (279.6 pg/ml), 14-3-3 protein and scrapie prion protein were detected, confirming a diagnosis of sporadic CJD. Compared with previous reports [1-4], injection of only 1 mL of intrathecal contrast media mimicked SAH, possibly resulting in transient alteration of consciousness.

CONFLICT OF INTEREST

No potential conflict of interest relevant to this article was reported.

Figure 1.
Brain diffusion-weighted imaging at b1000 at the levels of (A) midbrain, (B) thalamus, and (C) frontal and occipital lobes. Multifocal diffusion restriction can be seen along the bilateral cerebral cortex, especially prominent on the right parietal area.
acc-2022-00339f1.jpg
Figure 2.
Serial brain computed tomography images. (A) At midnight on the day of fluoroscopy-guided cerebrospinal fluid drainage, diffuse high attenuation was seen in the subarachnoid space (66 HU). (B) Twelve hours after initial observation, diffuse sulcal high attenuation was still noted (59 HU); however, it was more dispersed into the subarachnoid space. (C) After 24 hours, high attenuation had nearly disappeared (21 HU). HU: hounsfield unit.
acc-2022-00339f2.jpg
  • 1. Hasan TF, Duarte W, Akinduro OO, Goldstein ED, Hurst R, Haranhalli N, et al. Nonaneurysmal "pseudo-subarachnoid hemorrhage" computed tomography patterns: challenges in an acute decision-making heuristics. J Stroke Cerebrovasc Dis 2018;27:2319-26.ArticlePubMed
  • 2. Oh CH, An SD, Choi SH, Ji GY. Contrast mimicking a subarachnoid hemorrhage after lumbar percutaneous epidural neuroplasty: a case report. J Med Case Rep 2013;7:88. ArticlePubMedPMCPDF
  • 3. Platt A, Ammar FE, Collins J, Ramos E, Goldenberg FD. Pseudo-subarachnoid hemorrhage and gadolinium encephalopathy following lumbar epidural steroid injection. Radiol Case Rep 2020;15:1935-8.ArticlePubMedPMC
  • 4. Sasaki Y, Ishii K, Ishii I. Myelography-associated pseudo-subarachnoid hemorrhage. Vis J Emerg Med 2016;5:25-6.Article

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        Contrast media mimicking subarachnoid hemorrhage after intrathecal injection in a patient with Creutzfeldt-Jakob disease
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