UMAC Radiology - PowerPoint PPT Presentation

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UMAC Radiology

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What Makes a Mammography Installation Successful? People nowadays are more knowledgeable of the importance of early cancer screening Mammography Machine. This renewed interest in mammography is directly attributable to the public's raised awareness Mammography Service. That's why there's been a rise in both the distribution and production of mammography systems. When it comes to technical precision, mammography ranks high. – PowerPoint PPT presentation

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Title: UMAC Radiology


1
What Makes a Mammography Installation
Successful? People nowadays are more
knowledgeable of the importance of early cancer
screening Mammography Machine. This renewed
interest in mammography is directly attributable
to the public's raised awareness Mammography
Service. That's why there's been a rise in both
the distribution and production of mammography
systems. When it comes to technical precision,
mammography ranks high. Image quality and
radiation dosage may be affected by even subtle
adjustments to method or processing. Making
mammograms with the lowest radiation doses
feasible while yet maintaining excellent
specificity and diagnostic sensitivity is a
constant priority. This is why selecting
appropriate tools, imaging methods, patient
placement, and creating a quality control
program are given so much thought. Methods of
imaging High-resolution film-screen systems and
xeroradiography are popular image sensors. One
thin, highly-absorbing intensifying screen with
a single-emulsion film is used in high-resolution
film- screen systems. Recent innovations include
a dual-screen picture with double-emulsion anti-
crossover film. Compared to film-screen
mammography, xeroradiography uses a more
penetrating X-ray beam. It provides
high-resolution pictures with a wide range of
tissue attenuation. Charged toner particles are
attracted to charged spots on a selenium plate in
an electrostatic process. They're transferred on
white reflecting paper. Edge enhancement occurs
when toner particles follow distorted
trajectories generated by fringe films over the
selenium plate. Many factors, including X-ray
equipment A narrow window x-ray tube with a
molybdenum target and filter is often required
for use in film-screen systems Mammography
Dealer. Additionally, it contains a generator for
use with low voltages. Small focus tungsten
tubes with aluminum filters are used in
xeroradiography setups. It also has a generator
with output voltage between 42 and 52 kVp.
2
Patient positioning Film mammography requires
mediolateral oblique and craniocaudal views.
Xeroradiography captures craniocaudal and
mediolateral images. Film-screen mammography used
a grid to boost visibility, while
xeroradiography doesn't. Xeroradiography's wide
recording latitude allows for less compression
than film-screen mammography. Diagnostic image
quality Film-screen imaging provides clearer
pictures of malignancies in soft tissue.
Microcalcifications and masses with little
radiating fibers or well-defined boundaries are
easier to visualize with xeroradiography. Conveni
ence and personal preference Viewing
ease Reflected light shows xeroradiography
images under common illumination. Doctors and
nurses will appreciate this. Contrasty film
displays must be viewed in poor light through a
disguised viewing box. Darker scenes may require
a well-lit viewing location. Both approaches may
need a magnifying lens to view
details. Reliability Both methods may have
varying degrees of downtime and dependability.
Xeroradiography is a more sophisticated system
than a film-screen machine, hence it needs to be
serviced often. Backup processors Most
businesses have automated film processing.
Mammography requires a specialist processor, and
a backup is maintained on hand. Xeroradiography
seldom uses other processors. The
xeroradiographic processor might affect system
downtimes. Radiation dose Non-grid film-screen
imaging has two-to-three times less radiation
than xeroradiography. Grids are becoming more
prevalent in film-screen photography, although
they increase radiation exposure. Faster
film-screen systems can now compensate for grids'
higher doses. Dosage comparisons will change as
imaging technology advance.
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