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A
60
Age
-
year
Age
-
old
Age
man
Sex
who underwent
colonoscopy
Diagnostic_procedure
was found to have a
2
Distance
cm
Distance
sessile
Sign_symptom
polyp
Sign_symptom
that was located
10
Distance
cm
Distance
from the
anal
Biological_structure
verge
Biological_structure
and
successfully
Therapeutic_procedure
removed
Therapeutic_procedure
.The
polyp
Coreference
was a
tubulovillous
Disease_disorder
adenoma
Disease_disorder
with focal
high
Sign_symptom
-
grade
Sign_symptom
dysplasia
Sign_symptom
.A
flexible
Diagnostic_procedure
sigmoidoscopy
Diagnostic_procedure
performed
three
Date
months
Date
later
Date
, as well as a
repeat
Detailed_description
colonoscopy
Diagnostic_procedure
one
Date
year
Date
after
Date
the
Date
initial
Date
colonoscopy
Date
, were both
negative
Lab_value
for recurrence.A
colonoscopy
Diagnostic_procedure
performed
three
Date
years
Date
after
Date
the
Date
initial
Date
colonoscopy
Date
revealed a
sessile
Sign_symptom
polyp
Sign_symptom
,
3
Distance
cm
Distance
in size, at
10
Distance
cm
Distance
from the
anal
Biological_structure
verge
Biological_structure
.
Biopsies
Diagnostic_procedure
were taken and reported to be fragments of a
villous
Disease_disorder
adenoma
Disease_disorder
with
low
Sign_symptom
-
grade
Sign_symptom
dysplasia
Sign_symptom
.Due to the previous high-grade dysplasia, relatively rapid recurrence and concern that a cancer may have been missed by sampling error, a
pelvic
Biological_structure
magnetic
Diagnostic_procedure
resonance
Diagnostic_procedure
imaging
Diagnostic_procedure
(
MRI
Diagnostic_procedure
) scan and an
endoscopic
Diagnostic_procedure
ultrasound
Diagnostic_procedure
(
EUS
Diagnostic_procedure
) were performed before definitive excision.The
MRI
Coreference
revealed an
invasive
Detailed_description
rectal
Biological_structure
mass
Sign_symptom
involving the
muscularis
Biological_structure
propria
Biological_structure
but without breach of the adventitia, consistent with a
T2
Disease_disorder
rectal
Disease_disorder
carcinoma
Disease_disorder
(Figure 1).No
pelvic
Biological_structure
lymphadenopathy
Sign_symptom
was detected.The
EUS
Coreference
revealed a
rectal
Biological_structure
mass
Sign_symptom
involving the
mucosa
Biological_structure
and
submucosa
Biological_structure
, with no involvement of the muscularis propria (Figure 2).The results of the MRI and EUS, as well as the surgical versus endoscopic resection treatment options, were discussed with the patient, who opted for a
surgical
Therapeutic_procedure
resection
Therapeutic_procedure
.The patient underwent a
low
Therapeutic_procedure
anterior
Therapeutic_procedure
resection
Therapeutic_procedure
and
end
Therapeutic_procedure
-
to
Therapeutic_procedure
-
end
Therapeutic_procedure
anastomosis
Therapeutic_procedure
with
loop
Therapeutic_procedure
ileostomy
Therapeutic_procedure
.
Pathology
Diagnostic_procedure
review
Diagnostic_procedure
of the
resected
Biological_structure
rectosigmoid
Biological_structure
revealed a
villous
Disease_disorder
adenoma
Disease_disorder
with
low
Sign_symptom
-
grade
Sign_symptom
dyplasia
Sign_symptom
.There was no evidence of
muscularis
Sign_symptom
propria
Sign_symptom
invasion
Sign_symptom
, and a total of
five
Lab_value
pericolic
Biological_structure
and
two
Lab_value
mesorectal
Biological_structure
lymph
Biological_structure
nodes
Biological_structure
were
excised
Therapeutic_procedure
and deemed
benign
Sign_symptom
.The patient underwent
ileostomy
Therapeutic_procedure
reversal
Therapeutic_procedure
five
Date
months
Date
later
Date
.He remains
asymptomatic
Sign_symptom
with no
recurrence
Sign_symptom
of
Sign_symptom
tumours
Sign_symptom
.