Women's Imaging Advances -- August 20, 2012 -- Dr. Marynelle Klu - NewsChannel5.com | Nashville News, Weather & Sports

Women's Imaging Advances -- August 20, 2012 -- Dr. Marynelle Klumpe, Dr. Max Moss

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SAINT THOMAS HEALTH MEDICAL MONDAYS: News Notes
Monday, August 20, 2012
TOPIC: Women's Imaging Advances
Marynelle Klumpe, MD: radiologist
 (pronounced Kloompa)
Max Moss, MD: radiologist
MIDDLE TENNESSEE MEDICAL CENTER

News notes via www.webmd.com

MIDDLE TENNESSEE IMAGING MURFREESBORO EXPANDS MEDICAL IMAGING SERVICES IN NEW LOCATION ON MIDDLE TENNESSEE MEDICAL CENTER CAMPUS
MRI Offers Added Convenience for Diagnostic Tests

Middle Tennessee Imaging Murfreesboro, a member of the Saint Thomas Imaging Network, recently expanded magnetic resonance imaging (MRI) services in its new location on the Middle Tennessee Medical Center (MTMC) campus.

Middle Tennessee Imaging Murfreesboro recently moved from its Highland Avenue location into the Seton Medical Office Building at 1840 Medical Center Parkway and is co-located in suite 101 with the Center for Breast Health at Middle Tennessee Medical Center.

The practice now offers Breast MRI as well as their latest GE 1.5 Tesla MRI, capable of producing high quality detailed imaging for a large cross section of exams of the body, including brain, lumbar, thoracic, cervical spine, extremities, joints, abdomen and magnetic resonance (MR) angiography. MRI provides good contrast between different soft tissues of the body, which makes it especially useful in imaging the brain, muscles, heart and cancers compared with other medical imaging techniques such as computed tomography (CT) or X-rays. MRI uses a magnetic field and radio waves to create detailed images of the body. Unlike CT scans and traditional X-rays, no ionizing radiation is involved.

"We're excited about adding this MRI to the center because it will improve scheduling and offer greater convenience for many patients who may need an MRI done while seeing physicians in nearby offices," Dr. Max Moss, radiologist for Middle Tennessee Imaging Murfreesboro. "Many exams will be able to be performed the same day they are ordered."

 

BREAST MRI

Breast MRI (magnetic resonance imaging) is a test that should not be used to distinguish between benign (noncancerous) and malignant (cancerous) areas, in lieu of a breast biopsy. Due to false positive results, performing this test may increase the number of breast biopsies that need to be performed. It is not appropriate to utilize breast MRI to evaluate a suspicious breast mass, or to follow these breast masses over time. Although MRI may detect tumors in dense breast tissue, the presence of dense breast tissue is not a reason to have a breast MRI scan. Breast MRI scanning cannot detect tiny specks of calcium (known as microcalcifications), which account for half of the cancers detected by mammography.

Is the Breast MRI Test Safe?

A breast MRI is safe. The test poses no risk to the average patient if appropriate safety guidelines are followed.

People who have had heart surgery and people with the following medical devices can be safely examined with MRI:

  • Surgical clips or sutures
  • Artificial joints
  • Staples
  • Most heart valve replacements
  • Disconnected medication pumps
  • Vena cava filters
  • Brain shunt tubes for hydrocephalus

Some conditions may make an MRI exam inadvisable. Tell your doctor if you have any of the following conditions:

  • Heart pacemaker
  • Cerebral aneurysm clip (metal clip on a blood vessel in the brain)
  • Implanted insulin pump (for treatment of diabetes), narcotics pump (for pain medication), or implanted nerve stimulators ("TENS") for back pain
  • Metal in the eye or eye socket
  • Cochlear (ear) implant for hearing impairment
  • Implanted spine stabilization rods
  • Severe lung disease
  • Uncontrolled gastroesophageal reflux (a condition causing severe heartburn)

In addition, tell your doctor if you:

  • Are pregnant
  • Weigh more than 300 pounds
  • Are not able to lie on your back for 30 to 60 minutes
  • Have claustrophobia (fear of closed or narrow spaces)

How Long Is the Breast MRI Test?

Allow 1 1/2 hours for your breast MRI exam. In most cases, the procedure takes 45 to 60 minutes, during which time several dozen images may be obtained.

What Happens Before a Breast MRI?

Before a breast MRI, personal items such as your watch, jewelry, and wallet -- including any credit cards with magnetic strips (they will be erased by the magnet) -- should be left at home or removed. Hearing aids should be removed before the test, because they can be damaged by the magnetic field. Secured lockers are typically available to store personal possessions.

What Happens During a Breast MRI?

You will be asked to wear a hospital gown during your breast MRI.

As the MRI scan begins, you will hear the equipment making a muffled thumping sound that will last for several minutes. Other than the sound, you should experience no unusual sensations during the scanning.

Certain MRI exams require that you receive an injection of a contrast material known as gadolinium. This helps identify certain anatomic structures on the scan images.

Feel free to ask questions or tell the technologist or your doctor if you have any concerns.

What Happens After a Breast MRI?

Generally, you can resume your usual activities and normal diet immediately after a breast MRI. Your doctor will discuss the test results with you.

 

BONE DENSITY SCAN

What is "bone mineral density" (BMD)?

Bone mineral density (BMD) testing generally correlates with bone strength and is used to diagnose osteoporosis. The BMD is measured with a dual energy x-ray absorptiometry test (referred to as a DXA scan). By measuring BMD, it is possible to predict fracture risk in the same manner that measuring blood pressure can help predict the risk of stroke.

It is important to remember that BMD cannot predict the certainty of developing a fracture. It can only predict risk. It is important to note that a bone density scan, or test, should not be confused with a bone scan, which is a nuclear medicine test that is used to detect tumors, cancer, fractures, and infections in the bone.

Normal: A value for BMD statistically within 1 standard deviation of the young adult peak bone mass. The report shows a T score between +1 and -1, signifying a BMD within the normal range.

Low bone mass (medically termed osteopenia): A value for BMD greater than 1 standard deviation but less than 2.5 standard deviations below that of an average young adult. The report shows a T score between -1 and -2.5, which signifies an increased fracture risk but does not meet the criteria for osteoporosis.

Osteoporosis: A value for BMD 2.5 or greater standard deviations below that of the average peak young adult bone mass. BMD in this range signifies an even higher fracture risk than osteopenia. The report shows a T score of -2.5 or lower.

The National Osteoporosis Foundation estimates that 10 million people in the U.S. have osteoporosis and nearly 34 million more have osteopenia, whic

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