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Related Concept Videos

Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...

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Related Experiment Video

Updated: Jun 4, 2026

Clinical Imaging of Microwave Mammography
05:28

Clinical Imaging of Microwave Mammography

Published on: November 14, 2025

A PC-controlled microwave tomographic scanner for breast imaging.

Shantanu Padhi1, John Howard, A Fhager

  • 1PRL, Research School of Physics and Engineering, Australian National University, Canberra, Australia. shantanu_padhi@ieee.org

The Review of Scientific Instruments
|February 2, 2011
PubMed
Summary
This summary is machine-generated.

A new microwave tomographic system controller was developed for breast cancer detection. This system utilizes dual-polarized antennas and a custom GUI for precise data acquisition and analysis.

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Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Electromagnetics

Background:

  • Early breast cancer detection is crucial for improving patient outcomes.
  • Microwave tomography offers a non-ionizing imaging modality for breast tissue analysis.
  • Existing systems require sophisticated control and data management for accurate scanning.

Purpose of the Study:

  • To design and develop a PC-based controller for a microwave tomographic system.
  • To enable precise control over motorized antennas and data acquisition.
  • To facilitate direct measurement of copolar and cross-polar scattered field components.

Main Methods:

  • Development of a personal computer-based control system.
  • Integration of motorized, dual-polarized antennas.
  • Implementation of a custom Graphical User Interface (GUI) for system control.
  • Utilization of a wideband vector network analyzer (VNA).
  • Data acquisition and archival using a local MDSPlus database.

Main Results:

  • Successful design and implementation of the PC-based controller.
  • Demonstrated ability to control stepper motors and VNA.
  • Capability to acquire and archive both copolar and cross-polar scattered field data.
  • Experimental validation of the system's functionalities.

Conclusions:

  • The developed controller effectively manages the microwave tomographic system for breast cancer detection.
  • The system allows for comprehensive data acquisition, including scattered field components.
  • Experimental results confirm the system's readiness for further validation and application.