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Thermography in Biomedical engineering

It is a technique which detects infrared energy emitted from objects,converts it to temperature and displays image of temperature distibution.

Sahil Mehta

on 25 April 2014

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Transcript of Thermography in Biomedical engineering

What is Thermography?
Thermography is an imaging technique that utilizes infrared radiation from the body. This is shown by the different colors, which indicate different intensities of infrared radiation.
Also known as infrared thermograghy.
What can this detect?
Arthritis, Neck and Back Pain, Dental Issues, Sinus Issues & Headaches, Immune Dysfunction, Fibromyalgia and Chronic Fatigue, Carpal Tunnel Syndrome, Digestive Disorders, and Other Conditions.
The things you should keep in mind before a thermal scan are:
- Do not have physical therapy, massage, or electromyography on the same day thermography is performed
- Do not smoke for 2 hours before the test
- Do not use lotions, deodorants, or liniments on day of test
- Stay out of strong sunlight on the day of test
- There are no dietary or medication restrictions on the day of your scan.

by Sahil Mehta
& Aditya Masurekar
How does this help the medical field?

Thermography can display and record the feeling of pain by showing the changes in skin temperature. This can help clinicians diagnose many vascular, muscular, neural, and skeletal problems.
images also helps to find any abnormality if present.
breast cancer
Thermographs are most commonly used in detecting breast cancer.
It is based on principle of emissivity i.e ability of object to emit thermal radiation.
there is a correlation between infrared energy and temperature of an object.therefore it is used to measure temperature of an object
Every object whose surface temperature is above absolute zero radiates wavelength corresponding to its surface temperature.
Colorizing IR images
camera assigns black to coolest area and white to hottest area
Adjusting images for clarity
upper &lower temperature limits are adjusted to get the clearest picture
IR camera creates an image.
ie converts radiant heat energy into a signal
Pacific Chiropractic and Research Center
621 Middlefield Road Redwood City, California 94063
case study no 1
This patient came to our office with a lump in the right breast. Her doctor sent her in for a follow-up mammogram to investigate the lump. The mammogram came back negative with a recommendation for a routine annual exam.
The image to the left shows a significant amount of heat and vascularity (angiogenesis) in the right breast, especially over the lump in the upper outer quadrant.
This image of the right breast shows a normal cool thermal signal and vascular pattern.
1st day
In this image, the left breast is viewed showing the full extent of the hot engorged blood vessels extending throughout the breast.
The patient was sent back to her doctor with a recommendation for further testing with a focus on the watchful area in the left breast.
5th day
A biopsy came back positive for cancer.
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