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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
.
Diseases
Validation
Diseases presenting
"meningitis"
symptom
acute rheumatic fever
child syndrome
dracunculiasis
familial mediterranean fever
hydrocephalus with stenosis of the aqueduct of sylvius
kallmann syndrome
malignant atrophic papulosis
pyomyositis
scrub typhus
This symptom has already been validated