Petraccchi EJ y cols. Adenocarcinoma mucinoso de vesícula biliar originado en neoplasia papilar. Rev Argent Cirug 2021;113(1):121-124
123
vesícula convencionales por su expresión de mucinas la supervivencia y el pronósꢀco son peores en relación
3
MUC1 y MUC2 .
La neoplasia papilar intracolecísꢀca con car-
con los otros cánceres de vesícula.
cinoma mucinoso con células en anillo de sello es un
subꢀpo infrecuente de cáncer de vesícula y puede
presentarse en forma similar a una colecisꢀꢀs. A pesar
del tratamiento operatorio y la quimioterapia posterior,
Agradecimientos
Agradecemos de manera especial a los Servicios de Anatomía Pato-
lógica, Diagnósꢁco por imágenes y Oncología del Hospital Argerich,
quienes contribuyeron al diagnósꢁco y tratamiento de la paciente.
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ENGLISH VERSION
Gallbladder cancer is the most common
bile duct, clearance of the hepaꢀc pedicle lymph nodes
and Roux-en-Y hepaꢀcojejunostomy.
malignancy of the biliary tract, ranking sixth among
gastrointesꢀnal cancers, and is characterized by its
aggressive and poor prognosis. Complete resecꢀon
with chemotherapy is the only possibility of cure and
long-term survival depending on tumor stage.
The histopathology report made the diagnosis
of intracholecysꢀc papillary neoplasm with associated
invasive mucinous adenocarcinoma with signet ring
cells involving the liver (Fig. 3). The resecꢀon margins
were clear, and 9/9 lymph nodes were involved.
The final tumor staging was pT3: cancer with tumor
extending directly into the liver bed; pN2: cancer with
metastases in 4 lymph nodes or greater.
In the pancreatobiliary tract, tumors
composed of preinvasive neoplasꢀc cells that form
clinically detectable (≥ 1.0 cm) masses are classified as
intraductal papillary neoplasms (BilIN) in the bile ducts
and as intraductal papillary mucinous neoplasms or
intraductal tubulopapillary neoplasms (ITPNs) in the
pancreas. Similar lesions have been described in the
gallbladder and have been classified under a unified
The paꢀent evolved with favorable
postoperaꢀve outcome and is currently receiving
adjuvant therapy (chemotherapy).
Gallbladder cancer is rare, and several
histological subtypes have been described:
1
category of intracholecysꢀc papillary neoplasm (ICPN) .
According to the 2010 WHO classificaꢀon, this lesion is
characterized by an exophyꢀc intramucosal mass that
measures > 1.0 cm and is composed of preinvasive
neoplasꢀc (dysplasꢀc) cells forming a compact lesion
adenocarcinoma,
mucinous adenocarcinoma, signet ring cell carcinoma,
adenosquamous carcinoma, neuroendocrine
carcinoma, small cell carcinoma and undifferenꢀated
papillary
adenocarcinoma,
5
disꢀnct from the neighboring mucosa .
Intracholecysꢀc papillary neoplasm with
invasive mucinous adenocarcinoma and signet ring
cells is a variety of gallbladder cancer. The aim of this
arꢀcle is to describe a case of a rare gallbladder cancer
with specific histology, and the treatment performed.
We report the case of a 73-year old female
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FIGURE 1
paꢀent who sought medical care due to pain in the
right hypochondriac region radiaꢀng to the epigastrium
and associated with nausea, vomiꢀng and loss of
weight within the past two months. The laboratory Ultrasound. The gallbladder is distended, with gallstones and focal
thickening of the fundus (arrow)
tests were normal, including liver panel and tumor
markers. The ultrasound showed distended gallbladder,
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FIGURE 2
focal anterior wall thickening at the fundus with
mulꢀple gallstones inside (Fig. 1). Magneꢀc resonance
cholangiopancreatography and computed tomography
scan revealed a dilated common bile duct, with distal
tapering of the ampulla of Vater, mulꢀple endoluminal
filling defects all along its length and heterogeneous
wall thickening in the gallbladder fundus (Fig. 2).
A
B
The
paꢀent
underwent
exploratory
laparoscopy. There were no metastases in the
liver or peritoneum. The gallbladder was resected
A. Computed tomography scan showing wall thickening of the gall-
through open surgery and a frozen secꢀon biopsy bladder fundus (black arrow).
B. Magneꢀc resonance cholangiopancreatography showing a dilated
common bile duct of 10.3 mm, mulꢀple endoluminal filling defects
was performed (mucinous papillary neoplasm). The
procedure included resecꢀon of liver segments IVb/V, (white arrow), gallbladder (arrowhead).