Diagnostic Imaging
All Diagnostic Imaging articles
160 articles · showing 31–60
Frequently Asked Questions About T-scan Imaging of the Breast
What role does T-scan play in breast cancer diagnosis? When might a patient be referred for a T-scan? Is the T-scan imaging examination safe? Can T-scan imaging identify a lesion not visible on the mammogram? Does T-scan imaging show microcalcifications? What factors can cause false positive results
T-scan Impedance Imaging of Breast Cancer: Clinical Example
T-scan image screens left and middle, mammogram right Images courtesy of TransScan Research and Development Co. Ltd.
Why is T-scan Imaging of the Breast Performed?
Electrical impedance imaging (EIS) has been developed for use in conjunction with mammography to assist in the diagnosis of breast cancer (carcinoma). The T-scan system is not yet available for use as a breast cancer screening tool.
Who Performs Biopsies?
Medical Doctors (MD) or Doctors of Osteopathy (DO) usually perform biopsy. Biopsy is routinely performed both on an outpatient basis and an inpatient basis.
Why is Biopsy Performed?
Lesions needing biopsy are usually discovered either because they can be felt by a patient or physician or they are visible on a medical imaging examination such as X-ray, Ultrasound, CT scan, MR exam, etc.
Image Guided Biopsy
The radiologist performs a CT guided biopsy using "Fluoro CT" Many percutaneous biopsy procedures are performed with the help of some form of image guidance. Image guidance typically includes ultrasound and computed tomography (CT).
Risks of Biopsy
Needle biopsy is minimally invasive and is typically a very safe procedure. The benefits of percutaneous biopsy often far outweigh the risks. However, as with all invasive procedures, certain risks do exist.
Why is Biopsy Performed?
Lesions needing biopsy are usually discovered either because they can be felt by a patient or physician or they are visible on a medical imaging examination such as X-ray, Ultrasound, CT scan, MR exam, etc.
References
Biopsy was written, compiled and edited by the Imaginis.com Medical Diagnostic Imaging Team Clinical images are courtesy of Bruce F. Schroeder, MD of Eastern Radiologists, Bisopsys Ethicon Endo-Surgery, Inc. (a Johnson and Johnson company), Siemens Medical Solutions, Inc.
Additional Information and Suggested Links on Biopsy and Pathology
The Biopsy Report: A Patient's Guide is the website of Edward O. Uthman, MD a board certified pathologist (Diplomat, American Board of Pathology).
Biopsy Results
A "negative" biopsy means that no abnormal cells were present in the examined tissue or cell sample. A "positive biopsy" means that abnormal cells are present in the examined tissue or cell sample.
Why is Biopsy Performed?
Biopsy is often performed to diagnose diseases and lesions of various organs including: Bone biopsy is performed for people with bone pain and other indicators of bone cancer.
Mammogram Report
Understanding the Terminology of a Mammogram Report The following are terms may be found on a mammography report: Microcalcifications: Tiny calcium deposits less than 1/50 of an inch in size.
How Mammography is Performed: Imaging and Positioning
Notice: Revised breast cancer screening guidelines issued in November 2009. This article illustrates how different mammography views are taken, and how the patient should be positioned to achieve optimal mammogram images.
How Mammography is Performed: Imaging and Positioning
Cranio-Caudal View (CC) The cranio-caudal view (CC) images the breast from above. This view may be taken during routine screening mammography and during diagnostic mammography.
Advances in Mammography and Other Breast Imaging Methods
Researchers and medical imaging system manufacturers continue to invest tremendous resources into the field of breast imaging.
Mammography on Small Breasts
Notice: Revised breast cancer screening guidelines issued in November 2009. Many women, particularly those with small breasts, are worried that a mammogram will be painful and may not accurately detect breast cancer.
Where Can I Receive a Mammogram?
Notice: Revised breast cancer screening guidelines issued in November 2009. Mammography is available at numerous accredited locations in most areas. To date, over 11,000 mammography facilities have been accredited by the American College of Radiology (ACR) in the U.S.
Digital Mammography
One of the most recent advances in x-ray mammography is digital mammography. Digital (computerized) mammography is similar to standard mammography in that x-rays are used to produce detailed images of the breast.
Advances in Mammography and Other Breast Imaging Methods
Breast x-rays have been performed for more than 70 years. However, modern mammography has only existed since about 1970, when the first dedicated mammography imaging systems became widely available.
Thermography / Computerized Thermal Imaging
Where is Computerized Thermal Imaging Being Evaluated? The computerized thermal imaging (CTI) technology is currently being tested in clinical trials to determine its effectiveness.
Nuclear Medicine Breast Imaging (Scintimammography)
Nuclear medicine breast imaging (also called scintimammography) is a supplemental breast exam that may be used in some patients to investigate a breast abnormality.
Dear Abby
The following is a submission made to Dear Abby by Imaginis.com: Dear Abby, My mother sent me the following [Dear Abby] letter: "Dear Abby, I am a mammographer. I do screening and diagnostic mammograms for a living. I have a problem ...
Benefits and Risks of Mammography
Notice: Revised breast cancer screening guidelines issued in November 2009. Early detection of small breast cancers by screening mammography greatly improves a woman's chances for successful treatment.
How Mammography is Performed: Imaging and Positioning
Notice: Revised breast cancer screening guidelines issued in November 2009. This article illustrates how different mammography views are taken, and how the patient should be positioned to achieve optimal mammogram images.
Breast Health - MQSA
Mammography Facilities Must Meet Quality Standards On October 1, 1994, the United States Congress approved the Mammography Quality Standards Act (MQSA) that requires mammography facilities to adhere to strict quality standards. MQSA was created by the U.S.
New Technologies to Help Improve Mammography
Studies with CAD Technology Several clinical trials evaluated the safety and effectiveness of the CAD technology prior to FDA approval of the R2 Imagechecker in June 1998.
Mammography on Small Breasts
Q: Is a mammogram more painful for women with small breasts? A: A mammogram requires that the breasts be compressed briefly, which may be uncomfortable for some women regardless of breast size. However, mammograms should not be significantly painful.
New Technologies to Help Improve Mammography
Computer-aided detection (CAD) technology is a recent advance in the field of breast imaging. The CAD technology basically works like a second pair of eyes, reviewing a patient's mammogram film after the radiologist has already made an initial interpretation.
Diagnostic Mammography
What Types of Abnormalities Can Diagnostic Mammography Detect? Mammography is used to detect a number of abnormalities, the two main ones being calcifications and masses. Calcifications are tiny mineral deposits within the breast tissue that appear as small white regions on the mammogram films.