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Etiology and cranial CT scan profile of nontumoral hydrocephalus in a tertiary black African hospital.
[hydrocephalus with stenosis of the aqueduct of sylvius]
Hydrocephalus
is
a
common
condition
in
the
pediatric
population
.
The
cause
of
hydrocephalus
,
Evans
ratio
,
ventricular
index
,
and
cerebral
mantle
thickness
are
some
of
the
factors
associated
with
poor
surgical
outcome
.
This
study
was
conducted
to
evaluate
the
profile
of
these
factors
in
the
authors
'
patient
population
.
The
authors
conducted
a
prospective
study
from
the
August
1
,
2006
,
to
May
30
,
2010
.
The
consecutive
patients
were
all
6
years
of
age
or
younger
.
The
demographic
information
,
cause
of
hydrocephalus
,
and
cranial
computerized
measurements
were
taken
(
including
widths
of
the
frontal
/
occipital
horns
,
third
ventricle
,
and
cerebral
mantle
thickness
)
and
entered
into
the
procedural
forms
.
One
hundred
thirty-
seven
patients
presented
to
the
unit
over
the
stipulated
period
.
The
male
/
female
ratio
was
1
.
1
:
1
.
The
median
age
at
presentation
was
4
months
(
mean
7
.
3
months
,
range
4
days
to
6
years
)
.
Myelomeningocele
-associated
hydrocephalus
,
aqueductal
stenosis
,
and
postmeningitic
hydrocephalus
accounted
for
30
.
7
%
,
22
.
6
%
,
and
17
.
5
%
,
respectively
,
of
the
cases
.
The
mean
Evans
ratio
was
0
.
56
(
range
0
.
43
-
0
.
70
)
,
the
mean
ventricular
index
was
197
.
18
(
range
135
.
0
-
245
.
3
)
,
and
the
mean
cerebral
mantle
was
10
.
8
mm
(
10
-
14
mm
)
.
This
study
shows
that
the
congenital
form
of
hydrocephalus
is
the
predominant
variety
in
the
authors
'
population
.
Myelomeningocele
-associated
hydrocephalus
,
aqueductal
stenosis
,
Dandy-
Walker
malformation
,
and
postmeningitic
hydrocephalus
are
common
causes
of
hydrocephalus
.
Diseases
Validation
Diseases presenting
"ventricular index"
symptom
hydrocephalus with stenosis of the aqueduct of sylvius
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