By Eric S. Grimm, DO
Breast MRI (magnetic resonance
imaging), an innovative and valuable
diagnostic tool, is now available at
the Woman's Imaging Center at Wellington
Regional Medical Center.
It is a non-invasive procedure that
captures images from inside the breast
without surgery or compression of the
breast (as in a mammogram). Each exam
produces hundreds of 3-D images that are
interpreted by a radiologist.
No radioactivity is involved, and the
technique is believed to have no health
hazards. Its exquisite sensitivity allows it
to capture hard-to-fi nd or smaller images.
MRI has been used for many years
to diagnose implant ruptures in breasts
and abnormalities in other body parts,
but its use is relatively new in diagnosing
breast disease. This new MRI technology
allows for early detection of small breast
cancers, as well as diagnosis of benign
abnormalities.
Who Benefi ts From Breast MRI?
Breast MRI can be used as a
problem-solver in patients with
uncertain mammographic or sonographic
abnormalities. In addition, breast
MRI is often useful in the following
circumstances:
- A patient with a significant family history or genetic predisposition for cancer may undergo MRI to provide more precise evaluation, allowing for the earlier detection and treatment that offer a patient a better prognosis.
- A diagnosed breast cancer patient may undergo MRI prior to surgery. Often, a patient with cancer in one area of the breast may plan to undergo a lumpectomy to preserve the breast. By using MRI to evaluate the other areas of the breast, and opposite breast, additional cancers can be diagnosed at earlier stages, which may affect surgical management.
- MRI is used as a tool to monitor a cancer patient's response to chemotherapy.
- MRI may be used in a patient with enlarged cancerous lymph nodes found in the axilla (armpit) who has not yet been diagnosed with a primary cancer.
- A previous cancer patient who shows signs of an abnormality at the surgical site may also need MRI to detect masses hidden by scar tissue.
- Younger women whose dense breast tissue is difficult to diagnose using other tools may undergo MRI.
- Patients with one-sided bloody nipple discharge may benefit from MRI.
- MRI is also used to evaluate patients with possible silicone implant ruptures.
 Figure 1A: contrast-enhanced tumor
 |  |
 Figure 1B: color-enhanced tumor
 |
How MRI Works
Breast MRI detects solid lesions or masses
that become more visible after the breast
is injected with a contrast solution.
These lesions brighten, or enhance, so
they are more easily identifi ed (Figure
1A). Advanced breast MRI software
programs provide additional tools for the
interpreting radiologist, such as color maps
(Figure 1B).
During MRI, a patient lies on an MRI
table with both breasts hanging freely into
a cushion. The cushion (coil) contains the
technology that helps capture the MRI
signal needed to obtain the image once
the table is advanced into the magnetic
opening of the MRI machine. The MRI
machine takes several 3-D pictures, or
scans, that take about fi ve minutes each. In
all, MRI usually lasts about 30 minutes.
MRI as Part of
Comprehensive Treatment
Breast MRI is an evolving technology
that is currently used under specifi c
conditions. It is not a substitute for
screening mammography or other valuable
diagnostic procedures.
Patients should be aware that MRI,
because of its high sensitivity, may capture
images of tissue or masses that are not
readily identifi able as cancerous or benign.
MRI may locate normal tissue, lymph
nodes, and benign fi broadenomas and
papillomas. In some cases, biopsies must
still be performed after MRI to obtain
diagnoses.
The Wellington Regional Advantage
Wellington Regional uses advanced
technology, including vibrant software,
seven channel breast MRI coil and highfi
eld MRI to obtain high resolution images
for diagnosis. The Woman's Imaging
Center at Wellington has the capability
to biopsy questionable areas if MRI does
not provide a defi nitive picture. Biopsy
is performed with a vacuum-assisted
device. By performing both imaging
and intervention, we are better able to
understand and coordinate breast care.
The Woman's Imaging Center is
accredited by the American College
of Radiology and meets MQSA
(Mammography Quality Standards Act)
standards. To learn more about breast
MRI please call 561-798-8513.
Eric S. Grimm, DO,
is a board-certifi ed
interventional breast
radiologist with
cross-sectional imaging
fellowship training.
Dr. Grimm is a
partner of Wellington
Imaging Associates along with Drs.
Huber, Baumel, Kirchner, Mandel and
Ruehrmund.