From the Departments of Neurology (J.F., O.B.) and Radiology (R.S.),
Klinikum Minden (Germany).
Correspondence to Dr med Jochen Faig, Neurologische Abteilung, Weserbergland-Klinik, Gruene Muehle 90, D-37671 Hoexter, Germany.
Abstract
Background Acute spontaneous spinal
cord syndromes often remain etiologically ambiguous despite extensive
diagnostic efforts. In the previous literature five cases
are described with acute spinal cord syndromes interpreted as spinal
cord ischemic strokes because of association with vertebral
body infarctions on MRI.
Case DescriptionsThree cases are presented, and the
literature is reviewed. In addition to an extensive
diagnostic battery including an initial MRI without
pathological signs, follow-up MRI at different time intervals from the
onset of symptoms showed T2 hyperintense signals in vertebral bodies.
Patient 1, who had plaques in the abdominal aorta, had suffered a
thoracolumbar spinal infarction; this and a concomitant infarction of
the left portion of T-12 could be demonstrated on follow-up MRI on day
12. Patient 2, who had incomplete transverse spinal artery syndrome
below T-3, had an abnormal signal at the T-2 level of the spinal cord
on follow-up MRI on day 5; this was one segment above infarction of the
dorsal area of T-3, corresponding to the ascending course of the
medullary artery. The spinal cord of patient 3, who had a posterior
spinal artery syndrome below T-11, was unremarkable on follow-up MRI on
day 14, but a T2 hyperintense signal was noted in the dorsal area of
T-10.
ConclusionsVertebral body infarction represents the only
confirmatory sign for the otherwise exclusionary diagnostic
procedure for spinal cord ischemic stroke and must be searched
for on follow-up MRI as a key to correct diagnosis.
© 1998 American Heart Association, Inc.
Case Reports
Vertebral Body Infarction as a Confirmatory Sign of Spinal Cord Ischemic Stroke
Report of Three Cases and Review of the Literature
Key Words: magnetic resonance imaging spinal cord stroke vertebral body infarction
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