ARDMS Breast Exam 2022/2023 with complete solutions

What is the minimum frequency used in breast ultrasound? 10 MHz Define axial resolution: The ability to visualize 2 targets as separate that lie parallel to the sound beam 00:02 01:28 Define lateral resolution: The ability to visualize 2 targets as separate that lie perpendicular to the sound beam Define elevational resolution: The ability to image structures in the Z axis What are the 2 main mammography views? Craniocaudal and mediolateral What "color" is radiolucent? Gray What "color" is radiopaque? White Is fat radioloucent or radiopaque? Radiolucent List 3 structures seen as radiopaque on mammo: Water, calcium, and fibrous tissue The 2 major arterial supplies to the breast are: Lateral thoracic artery and internal mammary artery The lateral thoracic artery arises from the: Axillary artery The internal mammary artery arises from the: Subclavian artery 00:00 01:28 What are the 4 main veins that drain the breast? Internal mammary, axillary, subclavian and intercostal veins What is the functional unit of the breast? Acini Which ducts transport milk from the acini to the nipple? Lactfierous ducts Acini give rise to: TDLU's How many lobes are there per breast? 15-20 What is the normal AP measurement of a lactiferous duct? Less than 3mm What are the 8 layers of the breast from superficial to deep? Skin, subcutaneous fat, superficial mammary fascia, mammary zone, deep mammary fascia, retromammary space, muscle, ribs BIRADS 0 Needs additional imaging BIRADS 1 Negative for pathology BIRADS 2 Benign finding BIRADS 3 Probable benign finding BIRADS 4 Suspicious finding