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Pneumococcal pyomyositis: report of 2 cases and review of the literature.
[pyomyositis]
Streptococcus
pneumoniae
is
an
uncommon
cause
of
pyomyositis
.
It
is
unclear
whether
the
clinical
presentation
and
outcome
of
pneumococcal
pyomyositis
differ
depending
on
the
host
's
underlying
immune
status
.
We
describe
2
patients
with
pneumococcal
pyomyositis
,
review
all
published
cases
,
and
compare
characteristics
between
apparently
healthy
hosts
and
at
-risk
hosts
.
A
total
of
35
cases
of
pneumococcal
pyomyositis
were
identified
,
11
in
apparently
healthy
hosts
and
24
in
at
-risk
hosts
.
Two
-thirds
of
the
patients
had
an
antecedent
respiratory
illness
or
meningitis
.
At-risk
hosts
tended
to
have
a
longer
interval
between
the
development
of
symptomatic
muscle
infection
and
the
diagnosis
of
pyomyositis
and
a
significantly
higher
risk
of
disseminated
disease
at
presentation
,
as
manifested
by
involvement
of
multiple
noncontiguous
muscles
or
presence
of
meningitis
.
Overall
,
other
than
1
death
,
all
patients
recovered
with
antibiotics
and
surgical
drainage
,
but
as
might
be
expected
there
was
a
significantly
higher
rate
of
complications
among
at
-risk
hosts
.
