Artificial intelligence challenge of discriminating cutaneous arteritis and polyarteritis nodosa based on hematoxylin-and-eosin images of skin biopsy specimens
Wataru Kashiwa,
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Kenji Hirata,
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Hiroki Endo
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et al.
Pathology - Research and Practice,
Journal Year:
2025,
Volume and Issue:
unknown, P. 155915 - 155915
Published: March 1, 2025
Language: Английский
Spontaneous Coronary Dissection Review: A Complex Picture
Mario Bollati,
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Vincenzo Ercolano,
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Pietro Mazzarotto
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et al.
Reviews in Cardiovascular Medicine,
Journal Year:
2024,
Volume and Issue:
25(12)
Published: Dec. 23, 2024
Spontaneous
coronary
artery
dissection
(SCAD)
represents
a
quite
rare
event
but
with
potentially
serious
prognostic
implications.
Meanwhile,
SCAD
typically
presents
as
an
acute
syndrome
(ACS).
Despite
the
majority
of
presentation
being
characterized
by
typical
ACS
signs
and
symptoms,
young
age
at
atypical
atherosclerotic
risk
factor
profile
is
responsible
for
late
medical
contact
misdiagnosis.
The
diagnostic
algorithm
similar
to
that
ACS.
Low-risk
factors
prevalence
would
push
toward
non-invasive
imaging
(such
computed
tomography
(CT));
instead,
gold
standard
exam
invasive
angiography
(ICA)
due
its
increased
sensitivity
disease
characterization.
Moreover,
intravascular
(IVI)
improves
ICA
performance,
confirming
diagnosis
clarifying
mechanism.
A
SCAD-ICA
classification
recognizes
four
angiographic
appearances
according
lesion
extension
features
(radiolucent
lumen,
long
diffuse
narrowing,
focal
stenosis,
vessel
occlusion).
Concerning
management,
preferred
approach
conservative
high
rates
spontaneous
healing
in
first
months
low
rate
revascularization
success
(high
complexity
percutaneous
intervention
(PCI)
dissection/hematoma
risk).
Revascularization
recommended
presence
high-risk
left
main
or
multivessel
involvement,
hemodynamic
instability,
recurrent
chest
pain,
ST
elevation).
choice
PCI;
bypass
graft
(CABG)
considered
only
if
PCI
not
feasible
too
hazardous
operators'
centers'
experience.
Medical
therapy
includes
beta
blockers
cases
ventricular
dysfunction;
however,
no
clear
data
are
available
about
antiplatelet
treatment
because
supposed
intramural
hematoma
enlargement.
Furthermore,
screening
extracardiac
arthropathies
connective
tissue
diseases
hypothesized
association
SCAD.
Eventually,
follow-up
important,
considering
recurrence.
Considering
patients
SCAD,
subsequent
care
essential
(including
psychological
support,
also
relatives)
aim
safe
complete
reintegration
into
non-limited
everyday
life.
Language: Английский
COVID-19 associated Cutaneous Polyarteritis nodosa
Milena Mimica,
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E. Gutierrez Mora,
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Loreto Massardo
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et al.
The American Journal of the Medical Sciences,
Journal Year:
2024,
Volume and Issue:
368(6), P. e67 - e68
Published: July 20, 2024
Language: Английский
Normocomplementemic Urticarial Vasculitis Following Influenza Vaccination: A Case Report and Review of the Literature
International Medical Case Reports Journal,
Journal Year:
2024,
Volume and Issue:
Volume 17, P. 823 - 829
Published: Sept. 1, 2024
Urticarial
vasculitis
is
characterized
by
persistent
urticarial
lesions
lasting
over
24
h.
often
triggered
medications,
infections,
and
autoimmune
disorders.
However,
vaccinations
against
viral
bacterial
pathogens
have
recently
been
documented
to
induce
vasculitis.
We
describe
the
case
of
a
67-year-old
woman
who
was
presented
with
an
extensive
erythematous
purpuric
rash
without
systemic
symptoms
3
days
after
influenza
vaccination.
She
diagnosed
normocomplementemic
based
on
clinical
findings,
normal
complement
levels,
histopathological
findings
leukocytoclastic
After
receiving
oral
histamines,
she
showed
complete
resolution
months
Although
vaccination-associated
common,
following
rare.
reviewed
13
cases
wide
range
vaccines,
including
those
Bacillus
Calmette-Guérin,
serogroup
B
meningococcus,
influenza,
coronavirus
disease.
conducted
comprehensive
review
various
aspects,
age,
sex,
past
medical
history,
type
vaccination,
number
vaccinations,
onset
time,
cutaneous
symptoms,
place
eruption,
laboratory
disorders,
treatment
period,
Two
patients
developed
hypocomplementemic
both
experienced
such
as
arthralgia
fever.
In
this
review,
no
significant
differences
were
found
in
data,
which
may
be
attributed
small
cases.
The
mechanisms
underlying
induction
vaccines
remain
unknown;
however,
addition
immune
complex
deposition
activation
due
vaccine
components,
molecular
mimicry
trigger
producing
vaccine-derived
pathogenic
antigen
antibodies.
This
study
emphasizes
need
for
heightened
awareness
further
investigation
rare
adverse
effect
Language: Английский