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Rad T 275. Mammography. Types of Mammography. Diagnostic Patients with symptoms or risk factors Screening Asymptomatic patients. Mammography Equipment. High frequency generators Target material Molybdenum Rhodium Tungsten FSS 0.1/0.3mm. Mammo Equip cont. Filtration
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Rad T 275 Mammography
Types of Mammography • Diagnostic • Patients with symptoms or risk factors • Screening • Asymptomatic patients
Mammography Equipment • High frequency generators • Target material • Molybdenum • Rhodium • Tungsten • FSS • 0.1/0.3mm
Mammo Equip cont. • Filtration • Inherent 0.1 mm Al eq • 23 degree target angle and tube tilt • Heel effect • Anode is farthest from the chest wall • Compression • Uniform thickness • Reduced OID • Less thickness, less scatter, lower dose
Mammo equip cont. • Grids • Moving grids with 4:1 or 5:1 ratios • AEC • Necessary due to differences in breast composition
Duct carcinoma In situ
Fibroadenoma Non cancerous
Pre Post Invasive ductal and lobular carcinoma