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Case Reports
. 2021 Apr:81:105797.
doi: 10.1016/j.ijscr.2021.105797. Epub 2021 Mar 19.

Acute paraplegia in patient with spinal dural arteriovenous fistula after lumbar puncture and steroid administration: A case report

Ibrahem Alhendawy  1 , Bob Homapour  2 , Ronil V Chandra  3 , Armin Drnda  4
Affiliations
Case Reports

Acute paraplegia in patient with spinal dural arteriovenous fistula after lumbar puncture and steroid administration: A case report

Ibrahem Alhendawy et al. Int J Surg Case Rep. 2021 Apr.

Abstract

Introduction and importance: Spinal dural arteriovenous fistula (SDAVF) is an uncommon cause of longitudinal extensive transverse myelitis (LETM). It usually presents with vague congestive myelopathy symptoms and diagnosis is usually difficult on initial presentation. Common daily neurological interventions can aggravate the underlying pathophysiology leading to undesirable acute neurological deterioration. Intravenous steroids administration and lumbar (LP) puncture as a diagnostic tool are amongst the most commonly reported aggravating interventions. This rare case presentation highlights this association with its negative impact on the patient outcome in misdiagnosed cases.

Case presentation: The authors present a sixty-eight-year-old male with paraplegia following steroid administration and LP for presumed inflammatory/autoimmune LETM in the setting of misdiagnosed SDAVF. The absence of flow voids on the conventional T2-weighted magnetic resonance image (MRI) lead to misdiagnosis. He had satisfactory neurological recovery few hours after surgical disconnection.

Clinical discussion: SDAVF is known to cause congestive myelopathy symptoms. Spinal angiogram is the gold standard for diagnosis. Although the exact mechanism is not fully understood, misdiagnosed cases like our case can develop severe neurological deterioration with steroid administration and lumbar puncture.

Conclusion: Although SDAVF is an uncommon cause of LETM, Clinicians should carefully exclude it before proceeding to steroid administration or performing LP as they can lead to devastating neurological deterioration.

Keywords: Case report; Lumbar puncture; Paraplegia; Spinal dural arteriovenous fistula; Steroids.

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Figures

Fig. 1
Fig. 1
A: T2 MRI demonstrating thoracic cord oedema involving the conus. B: CISS MRI demonstrating flow voids.
Fig. 2
Fig. 2
A,B: 3D reconstruction lateral (A) and anteroposterior (B) spinal angiogram demonstrating arterialized large draining radiculomedullary vein with nidus below L2.
See this image and copyright information in PMC

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