Surgical treatment of retroperitoneal liposarcoma using the technology of endoprosthetic replacement of the abdominal aorta and left common iliac artery with an endoprosthesis

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Abstract

Soft tissue sarcomas are rare malignancies, accounting for approximately 1% of all malignancies in adults, with approximately 15–20% of all soft tissue sarcomas arising in the retroperitoneal space. Guidelines for the surgical treatment of retroperitoneal sarcomas are still lacking. Criteria for unresectability remain unclear, and indications and compliance with surgical treatment vary.

A special focus is made on vascular resections in retroperitoneal sarcomas. Surgical intervention with resection of the main vessels in case of their involvement allows for a radical operation and naturally improves long-term results. However, only isolated cases of surgical interventions with resection of the main vessels for retroperitoneal sarcomas are described in the literature.

The article describes a unique clinical case of a two-stage successful surgical treatment of a patient with retroperitoneal liposarcoma and invasion of the aorta and left common iliac artery. At the first stage, an intravascular graft stent was installed. The second stage was en bloc tumor removal, nephrectomy and left hemicolectomy, resection of the infrarenal segment of the abdominal aorta and left common iliac artery.

The discussion provides an analysis of publications on the role of vascular resections in retroperitoneal sarcomas.

The technique of two-stage surgical treatment using endoprosthetics of the main vessel at the first stage, compared to one-stage resection and prosthetics, used in our work has a number of advantages: no need for intraoperative prosthetics of the vessel; no clamping of the abdominal aorta and iliac arteries to form anastomoses; minimal blood loss and reduced surgery time; reduced risk of thrombosis and embolism.

Taking into account the above advantages, this technique can be recommended for retroperitoneal sarcomas with invasion of the main vessels.

About the authors

Ivan S. Stilidi

N.N. Blokhin National Medical Research Center of Oncology

Email: biochimia@yandex.ru
ORCID iD: 0000-0002-0493-1166

Academician of the Russian Academy of Sciences, Professor, Doctor of Medical Sciences, Director

Russian Federation, Moscow

Mikael G. Abgaryan

N.N. Blokhin National Medical Research Center of Oncology

Email: abgaryan.mikael@gmail.com
ORCID iD: 0000-0001-8893-1894

PhD, Senior Researcher, Oncologist, Department of Abdominal Oncology No. 1

Russian Federation, Moscow

Aleksei E. Kalinin

N.N. Blokhin National Medical Research Center of Oncology

Email: main2001@inbox.ru
ORCID iD: 0000-0001-7457-3889

PhD, Senior Researcher, Oncologist, Department of Abdominal Oncology No. 1

Russian Federation, Moscow

Lola R. Shulumba

N.N. Blokhin National Medical Research Center of Oncology

Email: lolashulu@yandex.ru
ORCID iD: 0009-0001-6360-8932

resident of the Surgical Department No. 1

Russian Federation, Moscow

Omar A. Egenov

N.N. Blokhin National Medical Research Center of Oncology

Author for correspondence.
Email: egenov.omar@mail.ru
ORCID iD: 0000-0002-8681-7905

MD, PhD, Oncologist, Department of Abdominal Oncology No. 1

Russian Federation, Moscow

References

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Supplementary files

Supplementary Files
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1. JATS XML
2. Figure 1. CT scans before surgery.

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3. Figure 2. Aorfix intravascular graft stent.

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4. Figure 3. 3D reconstruction after endoprosthetics.

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5. Figure 4. View after tumor removal. Blue arrow – Aorfix endoprosthesis of the infrarenal segment of the abdominal aorta, yellow – Aorfix endoprosthesis of the left common iliac artery.

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6. Figure 5. Macropreparation.

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Copyright (c) 2024 Stilidi I.S., Abgaryan M.G., Kalinin A.E., Shulumba L.R., Egenov O.A.

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