Radiology -- October 24, 2011 -- Dr. Chad Calendine, Dr. Mark So - | Nashville News, Weather & Sports

Radiology -- October 24, 2011 -- Dr. Chad Calendine, Dr. Mark Soble, Dr. Stephen Humphrey, Dr. Dan Wunder

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TOPIC: The Radiology Roundtable
DATE: Monday, October 24, 2011
Chad Calendine, MD
Mark Soble, MD
Stephen Humphrey, MD
Dan Wunder, MD


In March 2011, Saint Thomas Health and Premier Radiology joined together to offer patients a more cost-effective and convenient option for their outpatient imaging needs. In today's economy and increasing health costs, it's important for individuals to know they have options—and especially, those that will save them significant out-of-pocket dollars.


  • (9) locations in middle Tennessee:  3 locations in Nashville, Cool Springs, Hermitage, Mt. Juliet, Smyrna, Murfreesboro and Chattanooga
  • for detailed listing
  • Closer to your home in an outpatient setting
    • All procedures are less costly and more convenient than same procedure performed in the hospital setting.

Many times patients are sent for imaging by their doctor, yet may not ask ‘why am I having this test' or ‘why this test vs. another test'. So, tonight's Radiology Roundtable is a show about the various imaging studies ordered by your doctor (or screening test you can request yourself ) and what they mean to you, your diagnosis/treatment and overall health.

MAMMOGRAMS and Breast Cancer Awareness

A NEW Mammography Program: MammoWOW!

Massage + Manicure + Mammogram = MammoWOW!

Relaxing with a massage, being pampered with a manicure—No, it's not a day spa. It's a mammoWOW™, a mammogram celebration. These parties are helping take the stress out of getting mammograms.

Many ladies struggle with day-to-day commitments of career and family, often times, making it difficult to take care of their own personal health.  The wait is over, we have your answer: mammoWOW™!

Every 12 minutes a woman in America dies of breast cancer.  Yet, with early detection, doctors believe that number could be significantly reduced.  In 2010, there were more than 2.5 million breast cancer survivors in the U.S.  Unfortunately, many women still put them off. 

This is why Saint Thomas and Premier Imaging recently launched their Wellness Of Women (WOW) Initiative. Specifically, mammoWOW™! Ladies now have an opportunity to share an evening with friends and co-workers enjoying massage, manicures, wine, appetizers and most especially, giving themselves the personal gift of their breast health.

"We are pleased with the overwhelming response to our program. Women seem to enjoy this new ‘style' of screening mammography," said Dr. Chad Calendine, a radiologist and President, Premier Radiology. "It saves lives."


Mammography is a specific type of imaging that uses a low-dose x-ray system to examine breasts. A mammography exam, called a mammogram, is used to aid in the early detection and diagnosis of breast diseases in women.

An x-ray (radiograph) is a noninvasive medical test that helps physicians diagnose and treat medical conditions. Imaging with x-rays involves exposing a part of the body to a small dose of ionizing radiation to produce pictures of the inside of the body. X-rays are the oldest and most frequently used form of medical imaging.

Two recent advances in mammography include digital mammography and computer-aided detection.

Digital mammography, also called full-field digital mammography (FFDM), is a mammography system in which the x-ray film is replaced by solid-state detectors that convert x-rays into electrical signals. These detectors are similar to those found in digital cameras. The electrical signals are used to produce images of the breast that can be seen on a computer screen or printed on special film similar to conventional mammograms. From the patient's point of view, having a digital mammogram is essentially the same as having a conventional film mammogram.

Computer-aided detection (CAD) systems use a digitized mammographic image that can be obtained from either a conventional film mammogram or a digitally acquired mammogram. The computer software then searches for abnormal areas of density, mass, or calcification that may indicate the presence of cancer. The CAD system highlights these areas on the images, alerting the radiologist to the need for further analysis.

Breast MRI is an imaging test that can help determine if a lump in the breast is cancerous or benign. Some people may be advised not to have an MRI based on certain conditions or devices they may have, such as a pacemaker. MRIs can help reduce the number of breast biopsies that are performed. If a woman's mammogram raises suspicion, her doctor may have her get an MRI scan of the breast for a better look.

Screening Mammogram Mammography plays a central part in early detection of breast cancers because it can show changes in the breast up to two years before a patient or physician can feel them. Current guidelines from the U.S. Department of Health and Human Services (HHS), the American Cancer Society (ACS), the American Medical Association (AMA) and the American College of Radiology (ACR) recommend screening mammography every year for women, beginning at age 40. Research has shown that annual mammograms lead to early detection of breast cancers, when they are most curable and breast-conservation therapies are available.

The National Cancer Institute (NCI) adds that women who have had breast cancer and those who are at increased risk due to a genetic history of breast cancer should seek expert medical advice about whether they should begin screening before age 40 and about the frequency of screening.

Diagnostic Mammogram Diagnostic mammography is used to evaluate a patient with abnormal clinical findings—such as a breast lump or lumps—that have been found by the woman or her doctor. Diagnostic mammography may also be done after an abnormal screening mammogram.


Minimizing Radiation Exposure

Special care is taken during x-ray examinations to use the lowest radiation dose possible while producing the best images for evaluation. National and international radiology protection councils continually review and update the technique standards used by radiology professionals.

State-of-the-art x-ray systems have tightly controlled x-ray beams with significant filtration and dose control methods to minimize stray or scatter radiation. This ensures that those parts of a patient's body not being imaged receive minimal radiation exposure.

Should you have a CT Lung Screen or an X-Ray to best detect lung cancer?

What types of screening procedures can I do on my own to know more about my overall health?

Can a radiologist help my back pain?

Can a radiologist tell if I have osteoporosis?


What is angiography?

An angiogram is an X-ray picture of the inside of your blood vessels. A catheter (a long, slim tube) is placed into your artery (a blood vessel that takes blood away from the heart). Contrast agent is then sent through the catheter. X-rays are taken to help find any problems. The insides of your blood vessels are checked to see if they are narrowed, leaking, enlarged, or blocked. This helps your provider decide on the best treatment for you.

How does the procedure work?

  • Angiography involves placing a long, slim tube (called a catheter) into a blood vessel in the groin. To prevent you from feeling pain during catheter placement, you will be given a numbing drug at the groin site. You will also be given a drug through your IV to help you relax and feel as comfortable as possible. The catheter will be placed and guided to the problem blood vessel. Contrast (X-ray dye) is then sent into your blood vessel. You may feel a warm to hot flush spreading all over your body when the contrast goes in. You may also feel like you have to urinate or have a bowel movement. These feelings are normal and should only last a few seconds.
  • X-rays are taken while the contrast moves through your blood vessel. The X-rays show where an artery might be blocked, narrowed, leaking, or enlarged.
  • The catheter is removed and a pressure bandage will be placed over the puncture site. This step takes about 20 to 30 minutes depending on how long it takes your blood to clot. The pressure bandage will prevent you from bleeding during this time.
  • An angiogram takes about 1 hour if it is done on an outpatient basis. If an intervention is needed to fix a problem, more time will be needed.
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