rad t 275 mammography. types of mammography diagnostic –patients with symptoms or risk factors...
Post on 18-Jan-2016
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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
Cyst
Infiltrating duct carcinoma
Duct carcinomaIn situ
Cyst
FibroadenomaNon cancerous
Implant rupture
Invasive ductal and lobular carcinoma
Pre Post
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