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A random Abstract
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Transethmoidal encephalocele after reduction of high intracranial pressure in aqueductal stenosis.
[hydrocephalus with stenosis of the aqueduct of sylvius]
Acquired
non-traumatic
transethmoidal
encephaloceles
are
very
infrequent
lesions
that
are
generally
caused
by
a
tumor
or
hydrocephalus
.
As
far
as
we
know
,
there
is
no
reported
case
of
encephalocele
after
CSF
diversion
in
the
literature
.
We
present
a
25
-
year
-old
woman
with
hydrocephalus
due
to
aquiductal
stenosis
who
was
treated
with
endoscopic
third
ventriculostomy
.
Nine
months
later
,
she
had
developed
rhinorrhea
and
on
imaging
she
had
a
transethmoidal
encephalocele
.
She
underwent
endonasal
endoscopic
repair
of
the
defect
and
removal
of
herniated
parenchyma
.
CSF
diversion
to
parasellar
cisterns
is
not
a
known
iatrogenic
cause
of
basal
encephalocele
and
is
not
noted
elsewhere
as
a
complication
of
third
ventriculostomy
.
However
,
as
third
ventriculostomy
is
performed
usually
for
intracranial
hypertension
treatment
and
intracranial
hypertension
itself
is
a
known
but
rare
cause
of
lacunar
skull
defect
and
encephalocele
,
this
co
-incidence
may
occur
.