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Health Services

Radiology

Provides diagnostic imaging, interpretation services and treatment to support the needs of the inpatient and outpatient departments and clinics belonging to Naval Medical Center Portsmouth.

Imaging and treatment services include routine x-ray, CT scan, MRI, Ultrasound, Fluoroscopy, Mammography and breast imaging, Angiography, Nuclear Medicine and Radiation Oncology.

Availability of Services

Generally, availability is open to all beneficiaries. Our first priority is to active duty members and then beneficiaries enrolled in TRICARE Prime. An electronic entry (CHCS) or a radiology request chit (SF 519a) is required. Requests from civilian providers not assigned to Naval Medical Center Portsmouth or tenant commands may be honored on a case by case basis. Radiographs may be checked out to civilian facilities provided a written request from the physician, the patient's signed release, and a valid military or dependent identification card are presented.

Appointments

Routine requests for X-ray do not require an appointment. They are completed on a walk-in basis. Special studies such as Diagnostic Mammography, Ultrasound, CT scan, MRI and Flouroscopic examinations require an appointment through the Radiology Scheduling Office at (757) 953-XRAY (9729). Nuclear Medicine studies can be scheduled using (757) 953-1111. For Radiation Oncology follow-up contact (757) 953-1092.

Mammograms

Screening Mammography

Current guidelines from the American College of Radiology recommend that women start annual screening mammography at age 40. Screening mammography is performed to find cancers early before they can be felt on physical examination. A mammogram is a specialized x-ray of the breast. It uses very low levels of radiation. Mammography is an excellent tool for early detection of breast cancer but it is not perfect. Women with breast implants should continue to have mammograms. It is important that you inform the mammography clinic that you have implants when you schedule your mammogram. There are some patients that may start screening earlier than age 40. These include patients who have had upper body radiation for lymphoma as a child, first degree relatives (mother, sister, daughter, father, brother, or son) of women diagnosed with PREMENOPAUSAL breast cancer and some women who have a very rare gene mutation. Between the ages of 25-30, your PCM should perform a risk calculation to determine your overall lifetime risk of developing breast cancer. This overall risk, if high enough, could also lead to a recommendation for annual breast cancer screening earlier than age 40.

Mammography services are offered at the following locations:

As a reminder, TRICARE Prime Clinics in Chesapeake and Virginia Beach will continue to provide Saturday hours, 8 a.m. to 4 p.m.  Please continue to schedule your mammogram appointments through the Hampton Roads Appointment Center at 1-866-645-4584.
For more information about Breast Health and Mammograms Please visit our Breast Health page at https://portsmouth.tricare.mil/Health-Services/Womens-Health/Breast-Health 

What should I expect at my appointment?

When possible, schedule your mammogram at the time of your menstrual cycle when your breasts are less tender, the best time is one week following your period. It is best to wear a 2-piece outfit, as you will be removing your top clothing. Do not wear perfume, deodorant, powder or lotion under your arms on the day of your mammogram as they could cause an artifact on the x-ray. During your mammogram your breast will be compressed between two plates and an x-ray will be taken. At least two views are performed of each breast. The routine views are a top to bottom view and a side view. The compression may be uncomfortable but it is very important because it spreads the tissue more evenly and improves the quality of the image. Compression allows the use of a lower radiation dose since a thinner amount of tissue is being imaged. Compression also holds the breast still to eliminate blurring and reduces x-ray scatter, which also leads to poor image quality.

Who interprets the results and who performs the mammogram?

A board certified/board eligible radiologist, who has completed at least 5 years of residency training after medical school, will analyze the images. The report will be dictated by the radiologist and then sent to your referring physician. You will also be notified of the results by the mammography facility. Interpretations of mammograms can be difficult because a normal breast can have a different appearance in each woman. Not all breast cancers can be seen on mammographic images

A radiologic technologist will perform the examination. Technologists undergo one to four years of formal training leading to a certificate, associate's degree, or bachelor's degree. With additional training, a technologist can specialize and work almost exclusively within a breast imaging setting.

Diagnostic Mammograms

Patients who have specific symptoms related to their breasts are scheduled for diagnostic mammograms. These exams are directed at addressing a specific question. Patients who have new breast lumps, new specific kinds of nipple discharge, focal (less than one quadrant of the breast) ​persistent areas of breast pain, possible abnormalities identified on a screening mammogram, or short follow-up (i.e. for example, 6 months) of an abnormality are usually scheduled for diagnostic mammograms. Sometimes surgeons will order diagnostic mammograms for patients with a recent history of breast cancer. The exact protocol may vary at each institution. Diagnostic mammograms are dedicated special x-ray views such as magnification or spot compression views that help characterize or define a possible abnormality. 

Ultrasound

Ultrasound sends sound waves into the breast and a computer converts these signals into an image of the inside of your breast. No ionizing radiation is used. Ultrasound is a useful tool in evaluation of the breast. It is usually the first study done in a woman with a mass. It is also very useful to help characterize possible abnormalities on your mammogram or possible lumps. Ultrasound can be used to determine if a mass is fluid filled (a cyst) or solid. It can also be used to better characterize solid masses.

MRI

Magnetic Resonance Imaging or MRI is performed to screen for breast cancer in certain individuals, to evaluate the extent of tumor in new breast cancer patients, and to evaluate for rupture in patients with silicone implants.

Image Guided Biopsy

When a biopsy is performed a small amount of tissue is removed from a mass or area of calcifications and examined under the microscope by a pathologist. There are many ways to biopsy the breast. If the surgeon can't feel the area of concern, image guided biopsy or localization can be performed. A radiologist will use either ultrasound or special x-ray views (stereotactic views) or ultrasound to guide a needle into the area to be biopsied. Either a core biopsy or a vacuum assisted (Mammotome) biopsy can be performed. When the calcifications are too faint to be seen with the stereotactic views, the area to be biopsied is in an inaccessible location, or if patient or surgeon request, an excisional biopsy may be performed in the operating room. An MRI guided biopsy may also be performed in certain patients.

Stereotactic biopsy: The patient lies face down on a table with a hole in it. The patient's breast is placed through the hole and is compressed between two x-ray plates beneath the table. Special pictures are taken and a computer is used to accurately locate the abnormality. After injecting local anesthetic, the radiologist then uses the information generated by the computer and a special guide to place the needle into the abnormality. The needle uses vacuum and a small rotating cutter to remove tiny samples from the area of concern. Typically 6-12 samples are taken from the area. There is a small incision in the skin but it is so small that stitches are not needed. Patients can usually resume a fairly normal routine following the procedure.

Ultrasound guided biopsy: Ultrasound is used to biopsy masses, not microcalcifications, as calcifications are very difficult to see with ultrasound. The patient lies on his/her back on the table and ultrasound is used to find the abnormality. After numbing the breast with local anesthetic, the radiologist uses ultrasound to guide a needle into the mass. Multiple (typically 3) biopsies are performed. There is a small incision in the skin but it is so small that stitches are not needed.

Image-localized excisional biopsy or lumpectomy: Special mammography views are used to localize the area of concern. The radiologist uses these views to place a clip or wire into the abnormal area to mark the area for the surgeon. The radiologist can also use ultrasound to guide placement of this clip or wire. During surgery the surgeon uses the clip or wire as a guide to find the mass.

 

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Phone

(757) 953-1128/1129

Location

CHCC, Building 2, 1st Floor

Hours

Normal hours of operation are Monday-Friday, 7:30 a.m. - 4 p.m. Some special studies such as MRI, CT, and ultrasound are available at extended hours. Emergency service is available 24 hours a day.
*Updated 10 April 2023
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