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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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Related Experiment Video

Updated: May 5, 2026

Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
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Postmastectomy radiation therapy.

Janice A Lyons1, Tracy Sherertz

  • 1University Hospitals Case Medical Center, 11100 Euclid Ave, Cleveland, OH, 44106, USA, janice.lyons@uhhospitals.org.

Current Oncology Reports
|December 10, 2013
PubMed
Summary
This summary is machine-generated.

Postmastectomy radiation therapy can reduce local recurrence and improve survival for breast cancer patients. Key factors like lymph node status and tumor characteristics guide decisions on its use.

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Area of Science:

  • Oncology
  • Radiation Oncology
  • Surgical Oncology

Background:

  • Mastectomy is a common breast cancer treatment, chosen for personal or medical reasons.
  • Postmastectomy radiation therapy (PMRT) is recognized for reducing local recurrence and potentially improving survival.
  • Deciding on PMRT involves complex considerations based on multiple patient and tumor factors.

Purpose of the Study:

  • To review the current literature on postmastectomy radiation therapy.
  • To provide guidance for clinical decision-making regarding PMRT.
  • To highlight critical factors influencing PMRT recommendations.

Main Methods:

  • Comprehensive literature review of studies on postmastectomy radiation therapy.
  • Analysis of factors influencing the decision to recommend PMRT.
  • Synthesis of evidence to support clinical decision-making.

Main Results:

  • PMRT demonstrates efficacy in decreasing local recurrence rates.
  • Specific patient and tumor characteristics are crucial for PMRT indication.
  • Factors include lymph node status, tumor size, grade, receptor status, lymphovascular invasion, Her-2/neu status, margin width, and age.

Conclusions:

  • Informed decisions about PMRT require careful evaluation of numerous prognostic factors.
  • This review aims to assist clinicians in navigating these complex treatment choices.
  • Optimizing PMRT use can enhance breast cancer treatment outcomes.