To help maintain spatial resolution during magnification, what change is made to the mammographic imaging technique?
A smaller focal spot size is
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___ are exempt from MQSA requirements
Veterans administration hospitals
The disadvantage of divergent x-rays in mammographic imaging is
The possibility of missing tissue
Assoring to the Digital Mammographic Imaging Screening Trial (DMIST), digital imaging is able to provide higher quality images than film-screen imaging for women:
With dense breasts
The "risk vs benefit" debate regarding mammography attempts to find a balance between
Image quality and patient dose
According to federal regulations, before a radiologic technologist can become a mammographer, he or she must complete how many hours of instruction
40
The most common location for breast cancer formation is the
Ducts
One of the best ways to reduce patient motion in mammography is to reduce
Exposure time
The greatest challenge in the design of digital mammographic equipment was to create an image receptor large enough to cover the entire breast tissue while providing
A high level of detail
The benefits of using compression in mammography include all of the following EXCEPT
Elimination of patient motion
T/F (1) Visualizing the ribs on a mammogram ensured that the entire breast was visualized on the image
F1
Which of the following was a valid early criticism of mammography?
-The force of compression harmed the sensitive breast
-The images were too high in contrast
-The high radiation dose
-The cost for the exam was too high
The high radiation dose
The impetus behind screening mammography was
The introduction of a dedicated mammography machine
When must a nipple be imaged in profile
-To determine the exact location of a lesion
- When a patient has nipple discharge
- When imaging a male
All of the above
Use of sponges as a positioning aid when performing a lateral view that included imaging into the lung field compromised which physics principle?
Sharpness/resolution
The first mammogram was performed in what year and was the result of which x-ray exam
1924; chest x-ray
On the CC view, the nipple indicates if a lesion is medial or ___. On a lateral view, the nipple indicates if a lesion is superrior or ___.
Lateral, inferior
The oblique view was introduced into the United States in the mid-1970s. It originated in ___.
Scandinavia
The "father of mammography" who standarized breast imaging nationwide during the 1960s was
Robert Egan, MD
The early (noneducated) imaging system in use until the 1960s incorporated which of the following?m
Tungsten target tube
Glass envelop tube
Double-emulsion film with intensifying screens
All of the above
The number 1 reason why women do not have a mammogram is
No symptoms, therefore unnecessary
The ACS states that ___% of women who develop breast cancer have defined risk profiles for the disease, while ___% have NO risk factors
25; 75
The best long term prognosis for a woman diagnosed with breast cancer is if the tumor measures
1 cm
People with health insurance are more likely to have screening mammograms. Compliance rates ___ when there is no health insurance
Decrease almost in half
Mammography is NOT recommended routinely for women who are younger than 40. Which of the following statements is NOT true:
- Younger women's breasts are more radiosensitive than older womens breasts
- The incidence of breast cancer is too low in the younger population to make screening cost effective
- Compression is in-effective in the younger woman's breast
-Breast cancers are white on the mammo image, and younger women have more white appearing glandular tissue
Compression is in-effective in the younger woman's breast [Show Less]