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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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Safety of Pre-Operative Radiotherapy Combined With Intraoperative Radiotherapy for Retroperitoneal Sarcoma.

Mia MacDonald1, Kristen Dougherty1, Veronica Pham1

  • 1Department of Surgery, University of North Carolina, Chapel Hill, North Carolina, USA.

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Summary
This summary is machine-generated.

Neoadjuvant external beam radiation therapy (EBRT) combined with intraoperative radiotherapy (IORT) for retroperitoneal sarcomas (RPS) shows frequent low-grade complications. This strategy presents a 25% rate of major complications, comparable to neoadjuvant EBRT alone.

Keywords:
intraoperative radiotherapyneoadjuvant radiotherapyretroperitoneal sarcomasafety

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Area of Science:

  • Oncology
  • Surgical Oncology
  • Radiation Oncology

Background:

  • Local recurrence of retroperitoneal sarcomas (RPS) with high-risk surgical margins is a significant clinical challenge.
  • Previous trials explored neoadjuvant external beam radiation therapy (EBRT) without intraoperative radiotherapy (IORT).
  • This study evaluates a combined neoadjuvant EBRT and IORT strategy for RPS management.

Purpose of the Study:

  • To assess the safety and feasibility of combining neoadjuvant EBRT with IORT for retroperitoneal sarcoma (RPS) treatment.
  • To evaluate postoperative complications and 90-day readmission rates in patients undergoing this combined therapy.

Main Methods:

  • Retrospective review of 28 patients with RPS treated between 2004 and 2024.
  • Neoadjuvant EBRT followed by surgical resection with IORT.
  • Postoperative complications graded using the Clavien-Dindo (CD) classification; 90-day readmissions tracked.

Main Results:

  • The median age was 66 years; 83% had primary disease.
  • Complete (R0) resection was achieved in 54% of patients; median hospital stay was 7 days.
  • Postoperative morbidity occurred in 78%, with 25% experiencing major (CD III-V) complications; one 90-day mortality.

Conclusions:

  • Neoadjuvant EBRT with IORT for RPS is associated with frequent low-grade complications.
  • The rate of major complications (25%) is similar to neoadjuvant EBRT alone.
  • The combined approach is feasible but requires careful management of postoperative morbidity.