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Current concepts on trochleoplasty procedures for the surgical treatment of trochlear dysplasia.
[trochlear dysplasia]
Trochleoplasty
is
a
surgical
procedure
,
whose
goal
is
to
change
the
abnormal
shape
of
the
femoral
trochlea
in
patients
with
recurrent
patellar
dislocation
.
Such
surgeries
that
aim
to
reshape
the
articular
surface
of
a
bone
without
damaging
it
are
quite
unique
in
orthopaedic
surgery
.
Although
in
the
beginning
,
trochleoplasty
was
reserved
for
the
refractory
cases
where
previous
surgery
has
failed
,
the
last
years
it
became
more
and
more
popular
because
of
a
better
knowledge
of
anatomy
and
biomechanics
and
a
greater
availability
of
instruments
.
The
roots
of
the
deepening
trochleoplasty
could
be
found
in
the
previous
century
when
the
first
surgeons
tried
to
directly
remove
the
dysplastic
bone
with
pioneer
interventions
but
with
devastating
consequences
.
Since
then
,
multiple
procedures
have
been
described
and
are
analysed
in
this
review
;
each
one
with
its
unique
features
,
advantages
and
pitfalls
.
Regardless
of
the
technique
used
,
the
very
recent
bibliography
presents
very
encouraging
results
from
the
application
of
trochleoplasty
with
other
procedures
in
a
selected
population
with
severe
trochlear
dysplasia
and
recurrent
patellar
dislocation
,
in
whom
the
benign
neglect
of
dysplasia
would
lead
to
unfavourable
results
.
IV
.
