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Related Concept Videos

Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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...
Positron Emission Tomography01:29

Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...

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Related Experiment Video

Updated: May 15, 2026

An Open-Source Normothermic Perfusion System Designed for Research Scientists
11:23

An Open-Source Normothermic Perfusion System Designed for Research Scientists

Published on: July 18, 2025

CT perfusion in oncologic imaging: a useful tool?

Roberto García-Figueiras1, Vicky J Goh, Anwar R Padhani

  • 1Department of Radiology, Complexo Hospitalario Universitario de Santiago de Compostela, Choupana s/n, 15702 Santiago de Compostela, Spain. roberto.garcia.figueiras@sergas.es

AJR. American Journal of Roentgenology
|December 21, 2012
PubMed
Summary

Computed tomography (CT) perfusion imaging offers valuable insights into tumor angiogenesis, aiding in cancer characterization, staging, and treatment response assessment. This technique provides both qualitative and quantitative data for oncologic imaging applications.

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Spatial Measurements of Perfusion, Interstitial Fluid Pressure and Liposomes Accumulation in Solid Tumors
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Spatial Measurements of Perfusion, Interstitial Fluid Pressure and Liposomes Accumulation in Solid Tumors

Published on: August 18, 2016

Related Experiment Videos

Last Updated: May 15, 2026

An Open-Source Normothermic Perfusion System Designed for Research Scientists
11:23

An Open-Source Normothermic Perfusion System Designed for Research Scientists

Published on: July 18, 2025

Spatial Measurements of Perfusion, Interstitial Fluid Pressure and Liposomes Accumulation in Solid Tumors
09:00

Spatial Measurements of Perfusion, Interstitial Fluid Pressure and Liposomes Accumulation in Solid Tumors

Published on: August 18, 2016

Area of Science:

  • Oncologic Imaging
  • Radiology
  • Medical Imaging

Background:

  • Tumor angiogenesis is crucial for cancer progression and a key target for oncologic therapies.
  • Accurate assessment of tumor vascularity is vital for effective cancer management.

Purpose of the Study:

  • To summarize the current applications of CT perfusion in oncologic imaging.
  • To discuss the role of CT perfusion in lesion characterization, staging, and treatment response.
  • To highlight technical limitations and drawbacks of CT perfusion.

Main Methods:

  • Review of current literature and clinical applications of CT perfusion in oncology.
  • Discussion of qualitative and quantitative data derived from CT perfusion.
  • Analysis of CT perfusion's utility in assessing tumor angiogenesis.

Main Results:

  • CT perfusion is utilized for lesion characterization, staging, and predicting patient outcomes.
  • It assesses response to various therapies and evaluates tumor relapse.
  • The technique provides both qualitative and quantitative information on tumor angiogenesis.

Conclusions:

  • CT perfusion is an emerging imaging tool in oncologic imaging.
  • It offers valuable insights into tumor angiogenesis, essential for cancer growth.
  • CT perfusion aids in guiding and monitoring oncologic therapies targeting angiogenesis.