The
most
frequent
presenting
symptom
for
patients
with
human
papillomavirus
(HPV)-associated
oropharyngeal
squamous
cell
carcinoma
(OPSCC)
is
a
lateral
neck
mass.
Circulating
tumor
tissue-modified
viral
(TTMV)-HPV
DNA
unique
biomarker
produced
by
the
fragmentation
of
HPV
during
degradation
HPV-associated
tumors,
and
its
detection
quantitation
are
currently
being
used
as
an
adjunct
to
imaging
in
monitoring
disease
recurrence
may
have
utility
diagnosis.
The American Journal of Surgical Pathology,
Journal Year:
2024,
Volume and Issue:
48(5), P. 581 - 587
Published: March 14, 2024
In
an
era
of
head
and
neck
oncology
where
HPV
status
will
soon
dictate
patient
management,
reliable
detection
is
critical.
P16
immunohistochemistry
(IHC)
currently
recommended
as
the
test
choice
for
oropharyngeal
squamous
cell
carcinomas
(OPSCCs).
The
purpose
this
study
was
to
determine
performance
characteristics
p16
IHC
based
on
a
large
clinical
experience
(SCC)
arising
from
hot-spot
regions
neck.
Consecutive
OPSCCs,
sinonasal
SCCs,
metastatic
SCCs
unknown
primary
sites
were
evaluated
presence
by
PCR-based
DNA
testing
part
care.
For
discrepant
cases,
high-risk
E6/E7
mRNA
in
situ
hybridization
(ISH)
and,
when
possible,
matrix-assisted
laser
desorption/ionization—time
flight
(MALDI-TOF)
mass
spectrometry
(MassArray)
genotyping
performed.
746
cancers
underwent
PCR
genotyping.
There
95.6%
concordance
between
2
assays.
Of
33
32
cases
(4.3%)
positive
but
negative.
these
68%
ISH,
invariably
related
non-16
genotype.
had
overall
accuracy
98.8%,
sensitivity
99.8%,
specificity
92.1%.
sensitive
specific
assay
determining
status.
appears
vulnerable
genotype
diversity
prone
missing
rare
genotypes.
ISH
practical
direct
measure
that
may
help
eliminate
small
number
false-positive
avoid
potential
harm
erroneous
classification.
The
most
frequent
presenting
symptom
for
patients
with
human
papillomavirus
(HPV)-associated
oropharyngeal
squamous
cell
carcinoma
(OPSCC)
is
a
lateral
neck
mass.
Circulating
tumor
tissue-modified
viral
(TTMV)-HPV
DNA
unique
biomarker
produced
by
the
fragmentation
of
HPV
during
degradation
HPV-associated
tumors,
and
its
detection
quantitation
are
currently
being
used
as
an
adjunct
to
imaging
in
monitoring
disease
recurrence
may
have
utility
diagnosis.