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Retroperitoneal Tumor Resection Surgery

Complex en bloc resection of primary retroperitoneal sarcoma and other deep abdominal tumors.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Genel Cerrahi department. Book Appointment →

What is Retroperitoneal Tumor Resection Surgery?

Retroperitoneal tumor resection involves complex surgical removal of tumors arising in the retroperitoneal space behind the peritoneal cavity. The most common primary retroperitoneal tumors are soft tissue sarcomas (50-80%, including liposarcoma, leiomyosarcoma, malignant peripheral nerve sheath tumor), with metastases, lymphomas, germ cell tumors and rare benign tumors comprising the rest.

Surgery is the cornerstone of treatment for primary retroperitoneal sarcomas (RPS), with complete macroscopic resection (R0/R1) being the strongest predictor of survival. Modern approach involves liberal en bloc resection of adjacent organs (kidney, colon, psoas muscle) when adherent to tumor, regardless of direct invasion. Complete resection rates are 70-85% with operative mortality of 2-5% in experienced centers. Multimodal therapy with neoadjuvant radiation and chemotherapy may improve resectability.

Symptoms

Primary retroperitoneal sarcoma (most common indication)
Liposarcoma, leiomyosarcoma, MPNST
Recurrent retroperitoneal tumor
Renal cell carcinoma with retroperitoneal extension
Adrenal tumors with adjacent organ involvement
Retroperitoneal metastases (selected cases)
Tumors invading great vessels (caval, aortic involvement)
Symptomatic large benign retroperitoneal tumors

Risk Factors

Tumor size greater than 15 cm (technical complexity)
Vascular involvement (IVC, aorta, iliac vessels)
Multiorgan involvement requiring multivisceral resection
Recurrent disease after prior surgery
Prior radiation therapy
Heart, kidney or liver dysfunction
Coagulopathy or anticoagulation
Poor performance status
Genetic syndromes (Li-Fraumeni, neurofibromatosis)

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Palpable abdominal mass
  • Persistent abdominal or back pain
  • Unexplained weight loss
  • Lower extremity edema (vascular compression)
  • Hematuria or urinary obstruction
  • Bowel obstruction symptoms
  • Imaging finding of retroperitoneal mass

Treatment Methods

01
Comprehensive preoperative imaging (CT, MRI, PET-CT)
02
Image-guided core needle biopsy for histologic diagnosis
03
Multidisciplinary sarcoma board evaluation
04
Neoadjuvant radiation therapy in selected cases
05
Liberal en bloc multivisceral resection
06
Resection of adjacent organs when adherent (kidney, colon, psoas)
07
Vascular reconstruction (IVC, aortic, renal vein) when needed
08
Sparing of vital structures when oncologically safe
09
ICU postoperative care for major resections
10
Adjuvant radiation or chemotherapy based on histology
11
Long-term surveillance with cross-sectional imaging

Which Department to Visit?

You can visit our Genel Cerrahi department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.