Uranga LS. Editorial sobre Resección de metástasis pancreáꢀcas. Rev Argent Cir. 2024;116(1):8-10
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número , tampoco hemos tenido mortalidad posopera- ꢀene excelente supervivencia alejada y baja mortalidad
toria y hasta la actualidad no observamos recurrencia quirúrgica. La idenꢀficación preoperatoria o intrao-
en ninguno de nuestros pacientes, algunos con más de peratoria del número y la ubicación de las lesiones es
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0 años de seguimiento.
fundamental para planificar la resección, que puede
En resumen, la resección quirúrgica de las ser conservadora en muchas oportunidades, y puede
metástasis del cáncer renal en páncreas es de primera realizarse en forma mínimamente invasiva en equipos
elección, aun en pacientes con segundas recurrencias, entrenados.
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ENGLISH VERSION
Metastases to the pancreas represent less visualize the mobility of water molecules can also be
than 2% of all pancreaꢀc resecꢀons; the most common useful. Unfortunately, clear cell renal cell carcinoma
primary malignancy found in this organ is clear renal metastases are usually not avid for radiotracers in
cell carcinoma. Isolated pancreaꢀc metastases from metabolic imaging tests such as PET scan. Endoscopic
other organs are excepꢀonal and anecdotal, as ultrasound is a highly sensiꢀve technique that allows
evidenced by the published series. Therefore, I will limit for biopsies to be taken in doubꢄul cases. However, it
my comments to this topic.
is operator dependent and its images do not provide
Disseminaꢀon typically occurs through the adequate preoperaꢀve planning. Finally, in this context,
hematogenous route and rarely through the lymphaꢀc intraoperaꢀve ultrasound could help to detect lesions
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system. There is no evidence of disseminaꢀon from the idenꢀfied or undetected in preoperaꢀve tests .
pancreaꢀc lesion, so a resecꢀon of the lesion with clear
Surgery can be a classic anatomic resecꢀon
margins and without lymphadenectomy is sufficient such as a cephalic pancreaꢀcoduodenectomy, or a
and oncologically appropriate.
distal pancreatectomy, ideally without splenectomy
The paper by Brossuꢀ et al. in this issue of (Kimura technique). Other procedures include extended
the journal raises several interesꢀng points that merit surgery as total or subtotal pancreaꢀcoduodenectomy,
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discussion .
atypical resecꢀons, parenchyma-sparing resecꢀons
The absence of extrapancreaꢀc disease is (enucleaꢀons, central resecꢀons, non-anatomic
crucial because the goal is to leave the paꢀent free distal resecꢀons or uncinatectomies), or combined
of disease through a high-risk surgery that is not free procedures.
of complicaꢀons. A recent mulꢀcenter Spanish study
Minimally invasive surgery is feasible for these
has shown improvement in survival aꢃer pancreaꢀc lesionsastheytypicallydonotinvolvevascularstructures
resecꢀon even aꢃer a second surgery due to recurrence and do not require wide surgical margins, resecꢀon
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of pancreaꢀc metastasis . Currently, tyrosine kinase of other organs, or extensive lymphadenectomy.
inhibitors or immunotherapy (pembrolizumab, The complexity of leꢃ pancreatectomies or
nivolumab, ipilimumab) offer promising results in enucleaꢀons is not
a limitaꢀon. Performing a
paꢀents with extrapancreaꢀc disease or who are not surgery that requires pancreaꢀcojejunostomy, such
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candidates for surgery .
as cephalic pancreaꢀcoduodenectomy and central
Another factor to consider is that these pancreatectomy, can be challenging due to the
metastases involve several pancreaꢀc regions in complexity of the reconstrucꢀon, soꢃ pancreaꢀc ꢀssue,
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almost 40% of the cases . The biology of these tumors and thin pancreaꢀc ducts. The correct preparaꢀon of
permits the use of conservaꢀve techniques. However, the anastomosis is the highest point of the learning
the presence of mulꢀple lesions may challenge this curve, which correlates with the highest morbidity and
approach. Local recurrence of disease following mortality rates in these surgeries.
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pancreatectomy is likely to be related to this issue . It
In our experience, we have performed all
can be difficult to prove whether it is a persistent or surgeries using laparoscopy since 2013. Our paꢀents
a new metastasis since the late presentaꢀon of these undergo computed tomography scan, magneꢀc
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lesions (up to more than 25 years) allows for both resonance imaging and bone scinꢀgraphy.
possibiliꢀes.
Like the authors of the paper published in
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Todeterminethenumberandlocaꢀonoflesions this issue , we also had no postoperaꢀve mortality. To
as accurately as possible, it is important to have high- date, we have not observed recurrence in any of our
quality imaging tests. The use of computed tomography paꢀents, some of whom have been followed for more
scanners with more than 16 rows of detectors with than 10 years.
dedicated pancreaꢀc protocol is usually effecꢀve
In summary, the preferred treatment for
to detect contrast enhancement during the arterial metastases of clear cell renal cell carcinoma in the
phase. Magneꢀc resonance imaging using a 1.5 Tesla pancreas is surgical resecꢀon, even in cases of second
scanner or greater with diffusion-weighted imaging to recurrence. This approach has been shown to result in