Neuroradiology Akihiro Yoshiro
Sato, MD #{149} Shoki Takahashi, MD #{149} Yoshiaki Soma, MD #{149} Kiyoshi Kikuchi, MD #{149} Tatsuo Watanabe, MD #{149} Kiyohiko Sakamoto, MD
Cerebral by Means Cerebral
terms:
ischemia,
Brain,
18.781
Radiology
infarction,
#{149} Brain,
1991;
10.78
MR
studies,
M
resonance (MR) imaging has been shown to be useful in the detection of cerebral infanction (1-8), but few previous reports have described the usefulness of MR for detecting an infarcted lesion within 24 hours of the ictus (4,8). AGNETIC
We describe
a new
weighted
spin-echo
PATIENTS We retrospectively ies of eight men) with
ictus,
reviewed
with
and
#{149} Brain,
10.1214
years
(mean,
68 years).
major
Departments
Takeda and
University
in six
Three
patients
and
January 13; final
Aizuwakamatsu,
had
cepted ST.
August
980
21. 1991
Japan
Address
1-1 (ST.,
revision received reprint
Tohoku Seiryocho,
K.I.,
KS.).
requested August requests
lupus 1.5-T
disease
3, and old myocardial 7), and one patient had
in-
erythematosus
(patient
8).
was
with units.
respectively.
25 cm. After
use of Seven
were imaged with a Shimadzu (Kyoto, Japan), and one patient
acto
means
data All
Fourier transform techwere collected on a 256 X images were obtained by
of SE pulse
patients unit, the
examined Ti-weighted
sequences. with
the images
the
with
such axial
diately
after
tration
of 0.1
were
mmol
with
averages
quences
and
signal
bolus
adminisof body
dimeglumine. with use of the images were obof gadopentetate 15 and
Se-
SE 2,500/90
for
In
two
Ti-weighted
with
average
(510/ imme-
kilogram
SE 500/
for
were
performed
per
weight of gadopentetate the patient examined Magnetom HiS unit, tamed before injection signal
was
sequences
intravenous
dimeglumine
section
of view
sequences
planes
in
field
baseline
25)
two
T2-weighted
a 1- or 2-mm
Ti-weighted
msec,
and
with SE 3,000/90 Section thickness
The
performed,
and
T2-weighted
Ti-weighted
one
Se-
images
were
of gadopentetate
dimeglumine
dose
of 0.1
Neither
ages
obtained
after
were scans
nor
obtained of all
use of CTT Systems, (Siemens)
study
in one,
the
cerebral
CTT
examinations
the
ictus)
the
ictus
plain CT enhanced 3-26
patients
underwent
Angiography
after (at
in patient
one
about
8 and
in patient
of conas the but
performed
Two
the day
MR
(GE Med-
on Somatom CT examina-
follow-up additional
angiography.
performed
obtained
9800
without use the same time in all patients
were
ictus.
patient.
were
Milwaukee), units. Initial
one. In all patients, examinations, with after
gradient-echo
patients
were performed media at about MR examination
im-
of gadopen-
in any
9200,
at a delayed
infusion
dimeglumine
with ical DR
mmol/kg.
then
in axial and conafter bolus infu-
sion
tions trast first
five.
2, mitral steatnial fibril-
performed
5 or 8 mm
gap,
CT
of hemi-
cardiac
patient with
superconducting
two-dimensional nique, and 256 matrix.
Re20;
had
averages;
was
of 510
(510/25),
images were obtained and one signal average.
images
was
in
time
of 25 msec
signal
was imaged with a Siemens Magnetom HiS (Erlangen, Federal Republic of Germany). All images were obtained with a
Ja-
of Radiology,
25, 1990; revision
diagnosis
aphasia
or four
tetate
of gado-
consisted motor
fibrillation in and regurgitation
patients SMT-150
(AS.,
Neurosurgery
of Medicine,
Sendai,
ceived March
RSNA,
and
Department School
Aoba-ku,
of Radiology
Hospital,
the
The
symptoms
paresis
two
pan,
use
a repetition
time
obtained with SE 500/15 onal planes immediately
confirmed by means of neurologic examination, CT, and follow-up MR imaging.
MR imaging
(T.W.),
without
with
echo
hanced
MR stud-
women, two ischemia/infarc-
patient underwent MR imag26 hours of the onset of symprepeatedly 4-18 days after the
both
tamed an
quences. The section thickness was 5 mm with a 2.5-mm section gap. The field of view was 20 cm. Contrast material-en-
METHODS
patients (six acute cerebral
tion. Each ing within toms and
systemic
(Y.S.),
en-
pentetate dimeglumine (Schering, Benun). Patients’ ages ranged from 24 to 88
178:433-439
Neurology
(SE) images,
AND
lation in patient farct in patient
Y.K.),
of acute
hancement of the more proximal cemebral arteries appears to identify areas of underlying brain injury, which will eventually progress to frank brain infarction as was demonstrated at computed tomographic (CT) and follow-up MR examinations.
(atnial nosis
the
MR sign
(
Sato, MD #{149} Shoki Takahashi, MD #{149} Yoshiaki Soma, MD #{149} Kiyoshi Kikuchi, MD #{149} Tatsuo Watanabe, MD #{149} Kiyohiko Sakamoto, MD
Cerebral by Means Cerebral
terms:
ischemia,
Brain,
18.781
Radiology
infarction,
#{149} Brain,
1991;
10.78
MR
studies,
M
resonance (MR) imaging has been shown to be useful in the detection of cerebral infanction (1-8), but few previous reports have described the usefulness of MR for detecting an infarcted lesion within 24 hours of the ictus (4,8). AGNETIC
We describe
a new
weighted
spin-echo
PATIENTS We retrospectively ies of eight men) with
ictus,
reviewed
with
and
#{149} Brain,
10.1214
years
(mean,
68 years).
major
Departments
Takeda and
University
in six
Three
patients
and
January 13; final
Aizuwakamatsu,
had
cepted ST.
August
980
21. 1991
Japan
Address
1-1 (ST.,
revision received reprint
Tohoku Seiryocho,
K.I.,
KS.).
requested August requests
lupus 1.5-T
disease
3, and old myocardial 7), and one patient had
in-
erythematosus
(patient
8).
was
with units.
respectively.
25 cm. After
use of Seven
were imaged with a Shimadzu (Kyoto, Japan), and one patient
acto
means
data All
Fourier transform techwere collected on a 256 X images were obtained by
of SE pulse
patients unit, the
examined Ti-weighted
sequences. with
the images
the
with
such axial
diately
after
tration
of 0.1
were
mmol
with
averages
quences
and
signal
bolus
adminisof body
dimeglumine. with use of the images were obof gadopentetate 15 and
Se-
SE 2,500/90
for
In
two
Ti-weighted
with
average
(510/ imme-
kilogram
SE 500/
for
were
performed
per
weight of gadopentetate the patient examined Magnetom HiS unit, tamed before injection signal
was
sequences
intravenous
dimeglumine
section
of view
sequences
planes
in
field
baseline
25)
two
T2-weighted
a 1- or 2-mm
Ti-weighted
msec,
and
with SE 3,000/90 Section thickness
The
performed,
and
T2-weighted
Ti-weighted
one
Se-
images
were
of gadopentetate
dimeglumine
dose
of 0.1
Neither
ages
obtained
after
were scans
nor
obtained of all
use of CTT Systems, (Siemens)
study
in one,
the
cerebral
CTT
examinations
the
ictus)
the
ictus
plain CT enhanced 3-26
patients
underwent
Angiography
after (at
in patient
one
about
8 and
in patient
of conas the but
performed
Two
the day
MR
(GE Med-
on Somatom CT examina-
follow-up additional
angiography.
performed
obtained
9800
without use the same time in all patients
were
ictus.
patient.
were
Milwaukee), units. Initial
one. In all patients, examinations, with after
gradient-echo
patients
were performed media at about MR examination
im-
of gadopen-
in any
9200,
at a delayed
infusion
dimeglumine
with ical DR
mmol/kg.
then
in axial and conafter bolus infu-
sion
tions trast first
five.
2, mitral steatnial fibril-
performed
5 or 8 mm
gap,
CT
of hemi-
cardiac
patient with
superconducting
two-dimensional nique, and 256 matrix.
Re20;
had
averages;
was
of 510
(510/25),
images were obtained and one signal average.
images
was
in
time
of 25 msec
signal
was imaged with a Siemens Magnetom HiS (Erlangen, Federal Republic of Germany). All images were obtained with a
Ja-
of Radiology,
25, 1990; revision
diagnosis
aphasia
or four
tetate
of gado-
consisted motor
fibrillation in and regurgitation
patients SMT-150
(AS.,
Neurosurgery
of Medicine,
Sendai,
ceived March
RSNA,
and
Department School
Aoba-ku,
of Radiology
Hospital,
the
The
symptoms
paresis
two
pan,
use
a repetition
time
obtained with SE 500/15 onal planes immediately
confirmed by means of neurologic examination, CT, and follow-up MR imaging.
MR imaging
(T.W.),
without
with
echo
hanced
MR stud-
women, two ischemia/infarc-
patient underwent MR imag26 hours of the onset of symprepeatedly 4-18 days after the
both
tamed an
quences. The section thickness was 5 mm with a 2.5-mm section gap. The field of view was 20 cm. Contrast material-en-
METHODS
patients (six acute cerebral
tion. Each ing within toms and
systemic
(Y.S.),
en-
pentetate dimeglumine (Schering, Benun). Patients’ ages ranged from 24 to 88
178:433-439
Neurology
(SE) images,
AND
lation in patient farct in patient
Y.K.),
of acute
hancement of the more proximal cemebral arteries appears to identify areas of underlying brain injury, which will eventually progress to frank brain infarction as was demonstrated at computed tomographic (CT) and follow-up MR examinations.
(atnial nosis
the
MR sign
(
