Why Thermography?
What is Thermography?
Thermography is the measurement of temperature variations at the body surface. When used in a clinical setting, it is an imaging procedure that detects, records, and produces an image (thermogram) of a patient’s skin surface temperatures and/or thermal patterns. The procedure uses equipment that can provide both qualitative and quantitative representations of these temperature patterns. Thermography does not entail the use of ionizing radiation, venous access, or other invasive procedures; therefore, the examination poses no harm to the patient and is completely safe. Clinical thermography is a physiologic imaging technology that provides information on the normal and abnormal functioning of the sensory and sympathetic nervous systems, vascular system, musculoskeletal system, and local inflammatory processes. The procedure also provides valuable diagnostic information regarding dermatologic, endocrine, and breast conditions.
What exactly is the difference between mammography, ultrasound, and thermography?
There seems to be some confusion on this subject by thinking that one test replaces the other. Nothing could be further from the truth. Both mammography and
ultrasounds are structural (anatomical) tests, while thermography is a functional
(physiological) test. None of these tests are truly diagnostic technologies.
Thermography images the breast and surrounding area and provides us with a risk assessment, while mammography and ultrasound detect structural abnormalities. If a breast abnormality is found that could possibly be malignant, a biopsy is performed. A biopsy removes a tissue sample for examination under a microscope.
Many women utilize thermography as a first step in breast health care, as it is non-invasive, radiation free and safe. After their initial assessment with thermography, if there seems to be a medium to high risk assessed, a woman may be asked to follow up either with an ultrasound or mammogram or both to rule out any existing pathology.
Frequently, some will be relieved that their mammogram or ultrasound test results show no abnormal findings, however this does not necessarily mean that nothing is going on
with their breasts. Several other factors may be contributing to a high risk (abnormal)
thermogram, such as: hormonal imbalance, early angiogenesis (proliferation of blood
vessels), lymphatic swellings and poor function and other contributing factors – all
these are important contributors to breast disease and malignancy and are not detected by mammography or ultrasound as these factors do not appear as structural changes.
The following is a list comparing all three types of tests with their pros and cons:
Mammography:
- Structural test: can pinpoint the location of suspicious area.
- Compresses the breast.
- X-ray radiation produces an image; the area of concern must have greater density to stand out against regular tissue.
- Can detect tumors in mainly slow growing stage or pre-invasive stage.
- Cannot detect fast growing tumors in the pre-invasive stage.
- Large, dense, and fibrocystic breasts are difficult to read.
- The upper portions of the breast including the tail of the breast and the Axillary region cannot be visualized.
- Can detect tumors 1-2 years earlier than physical examination.
- Average Specificity 75% (25% false-positive) 9 out of 10 biopsies initiated by mammography are negative.
- Average Sensitivity 80% with 20% of cancers missed in women over age 50; in women under age 50 Sensitivity is 60% or 40% of cancers missed.
Ultrasound:
- Structural test that can pinpoint the location of suspicious area.
- Uses sound waves with moderate contact.
- High frequency sound waves are bounced off the breast tissue and collected as an echo to produce an image.
- Able to detect some tumors missed by mammography.
- No data available on detecting pre-invasive tumors.
- May be affected by the hormonal influence due to the menstrual cycle, (i.e., cystic changes)
- All areas of the breast and Axillary region can be analyzed.
- Good for distinguishing between solid and fluid masses, helpful in investigating an area of concern due to mammography, thermography or physical examination findings.
- Average Specificity 66% (34% false positive)
- Average Sensitivity 83% (17% of cancers missed)
Thermography:
- Functional testing, able to detect physiological changes, cannot pinpoint the exact location of suspicious area.
- No radiation, non-invasive, no risk, can be used as often as necessary to observe the effectiveness of treatment over time.
- Uses infrared detectors to detect heat and increased vascularity that may be related to angiogenesis.
- Can detect physiological changes many years prior to any other method of screening.
- Very sensitive to fast growing aggressive tumors.
- Hormonal activity in the breast will affect thermographic imaging but not to the point of abnormality.
- All breast shapes, conditions and areas are within the scope of imaging.
- Earliest warning system with breast tissue and physiological changes that usually precedes tumor formation years prior to its occurrence.
- Average Specificity 90% (10% false positive)
- Average Sensitivity 90% (10% cancers missed) most of these are slow growing tumors with low metabolic rate in the area with a high rate of survival.
Organization
What is CACT?
The Canadian Association of Clinical Thermography is Canada’s premier infrared medical thermography association, ensuring the highest quality and standards of practice.
Mission
- Bring Medical Infrared Thermography to the forefront of medicine.
- Ensure that access to non-invasive Medical Infrared Thermography is available to all who seek it.
- Raise public awareness on Medical Infrared Thermography and its potential role in early detection and prevention of breast cancer and overall health and wellbeing.
- Establish a high standard of practice for Medical Infrared Thermography using proper uniform protocols.
- Educate and support cooperation between our members and other health care professionals regarding the benefits of including Medical Infrared Thermography as an adjunctive test for the purpose of early detection and breast cancer prevention, as well as for overall health and wellbeing.
- Engage and foster a variety of activities that enhance the understanding of Medical Infrared Thermography including public presentations, research and by providing educational information and materials.
- Act as an information source for the public.
Determination
CACT is determined to make thermography a recognized go-to imaging tool to improve health care for individual seekers and for practitioners’ patient care.
Aim
As a Canadian association, our aim is not only to educate the Canadian public, but to also demonstrate Canadian leadership in this field, around the globe.
How do we accomplish these objectives?
- CACT hosts Free Global Online Conferences with world-leading health practitioners providing the latest and best health advise.
- CACT hosts Monthly Practitioner-Only Webinars, educating health practitioners on the use of thermography to support and improve their patientcare.
- CACT provides the public with a Members Listing so all visitors know where they can find quality thermography service in your area.
- CACT provides Access to Global Members who are committed to joining and supporting the CACT Mission
- This Website acts as a hub for any individual, public or practitioner, to obtain the latest information about thermography.
Meet the Board
Our Board of Directors serve the membership in deciding policy, conducting governance, and keeping the organization effective in pursuing our key mission. Together and with input from all members, they make the policy to govern CACT, set the budget and priorities of the organization, and develop strategic plans to meet CACT’s goals.
Alexander Mostovoy
DHMS, BCCT
President
Laurie-Ann Whitnall
CTT, CTM
Treasurer
Suzanne Sutherland
DHMS, CTT, CTM
Secretary
Tallie Rabin
M.Ed., CTT, CTM
Assistant to BOD
Code of Ethics
- CACT members shall use their position to provide service consistent with all applicable local, provincial, and federal regulations; and conduct themselves as per the certified individuals primary discipline or areas of discipline.
- The member will update their knowledge and use the certification for intended purposes only. He/she will not provide false or misleading correlation based on thermal imaging. Their use of thermal imaging will be primarily based on scientific knowledge and to meet the standard of care required.
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North York, ON
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