Mammography Exam|113 Q’s and A’s
______ is the radiologic examination of the breast and is used for the early detection of
cancer? - -Mammography
-Mammography requires imaging of small high-contrast ______, and large low-contrast
______? - -calcifications, masses
-______ of fat, glandular tissue, fibrous tissue, and cancerous tissue is very similar? - -
Differential absorption
-Very small ______ are associated with cancer? - -microcalcifications
-The federal _______ sets strict guidelines to ensure high quality mammographic
examinations? - -Mammographic Quality Standards ACT (MQSA)
-Mammography uses ______ kVp values, in the range from ______? - -low, 20-40 kVp
-Low kVp serves to ______ differential absorption and improve ______? - -increases, subject
contrast
-Early detection of breast cancer can lead to cure rates as high as ______? - -90%
-Mammography was first performed in the ______ and continued to the ______ with poor
quality? - -1920s-1960s
-Who is credited with being the first to use direct exposure low kVp high mAs imaging? - -
Dr. Robert Egan
-With mammography direct exposure required very high ______? - -mAs
-First dedicated mammography units were introduced in late _____? - -1960s
-What organization developed an accreditation program to set standards for
mammography? - -ACR
-In _____ the ACR developed an accreditation program to set standards for mammography?
- -1987
-In _____, the federal government enacted MQSA to establish standards for facilities? - -
1994
-In early 2000, ______ was approved for sale in the U.S? - -digital mammography
, -What are 2 types of examinations in mammography? - -Screening mammography,
Diagnostic mammography
-_______ examination is performed on symptomatic women, or women whose screening
demonstrates suspicious areas that need further evaluation. - -Diagnostic mammography
-______ examination can include magnification images, spot compression, and more? - -
Diagnostic mammography
-_______ performed on asymptomatic women using the craniocaudad and mediolateral
oblique views? - -Screening mammography
-Which examination is performed yearly on women 40 years of age with family hx and for
women age 50 with no family hx? - -Screening mammography
-______ units produce high resolution and high contrast images with moderate radiation
exposure? - -dedicated mammography untit
-Why and where is the cathode from the mammography x-ray tube placed over? - -the
chest wall, to take advantage of the heel effect
-What is the cathode filament made of? - -tungsten
-The cathode has a _____ filament used for large and small focus? - -Bias focusing
-The anode from the mammography x-ray tube is made of ______ target which helps to
produce low energy x-rays? - -Molybdenum
-Is the anode target angle greater or lesser in the mammography x-ray tube than the
standard tube? - -greater
-What is the range of the anode angle? - -22-24 degrees
-The molybdenum anode produces ______ x-rays with energies of ______? - -k-characteristic,
17.4 to 19.9 keV
-This range of x-rays helps to maximize ______ and to visualize microcalcifications? - -
subject contrast
-______ x-ray energies will result in overpenetration, scatter, and lower contrast? - -Higher
-This range is also necessary for creating the ______ that is required to produce high
contrast images? - -photoelectric absorption
-The disadvantage is the ______ to the patient that is associated with low kVp? - -increased
dose
______ is the radiologic examination of the breast and is used for the early detection of
cancer? - -Mammography
-Mammography requires imaging of small high-contrast ______, and large low-contrast
______? - -calcifications, masses
-______ of fat, glandular tissue, fibrous tissue, and cancerous tissue is very similar? - -
Differential absorption
-Very small ______ are associated with cancer? - -microcalcifications
-The federal _______ sets strict guidelines to ensure high quality mammographic
examinations? - -Mammographic Quality Standards ACT (MQSA)
-Mammography uses ______ kVp values, in the range from ______? - -low, 20-40 kVp
-Low kVp serves to ______ differential absorption and improve ______? - -increases, subject
contrast
-Early detection of breast cancer can lead to cure rates as high as ______? - -90%
-Mammography was first performed in the ______ and continued to the ______ with poor
quality? - -1920s-1960s
-Who is credited with being the first to use direct exposure low kVp high mAs imaging? - -
Dr. Robert Egan
-With mammography direct exposure required very high ______? - -mAs
-First dedicated mammography units were introduced in late _____? - -1960s
-What organization developed an accreditation program to set standards for
mammography? - -ACR
-In _____ the ACR developed an accreditation program to set standards for mammography?
- -1987
-In _____, the federal government enacted MQSA to establish standards for facilities? - -
1994
-In early 2000, ______ was approved for sale in the U.S? - -digital mammography
, -What are 2 types of examinations in mammography? - -Screening mammography,
Diagnostic mammography
-_______ examination is performed on symptomatic women, or women whose screening
demonstrates suspicious areas that need further evaluation. - -Diagnostic mammography
-______ examination can include magnification images, spot compression, and more? - -
Diagnostic mammography
-_______ performed on asymptomatic women using the craniocaudad and mediolateral
oblique views? - -Screening mammography
-Which examination is performed yearly on women 40 years of age with family hx and for
women age 50 with no family hx? - -Screening mammography
-______ units produce high resolution and high contrast images with moderate radiation
exposure? - -dedicated mammography untit
-Why and where is the cathode from the mammography x-ray tube placed over? - -the
chest wall, to take advantage of the heel effect
-What is the cathode filament made of? - -tungsten
-The cathode has a _____ filament used for large and small focus? - -Bias focusing
-The anode from the mammography x-ray tube is made of ______ target which helps to
produce low energy x-rays? - -Molybdenum
-Is the anode target angle greater or lesser in the mammography x-ray tube than the
standard tube? - -greater
-What is the range of the anode angle? - -22-24 degrees
-The molybdenum anode produces ______ x-rays with energies of ______? - -k-characteristic,
17.4 to 19.9 keV
-This range of x-rays helps to maximize ______ and to visualize microcalcifications? - -
subject contrast
-______ x-ray energies will result in overpenetration, scatter, and lower contrast? - -Higher
-This range is also necessary for creating the ______ that is required to produce high
contrast images? - -photoelectric absorption
-The disadvantage is the ______ to the patient that is associated with low kVp? - -increased
dose
