Mammography presentation
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Transcript of Mammography presentation
![Page 1: Mammography presentation](https://reader033.fdocuments.us/reader033/viewer/2022061203/547dec12b479598e508b4a64/html5/thumbnails/1.jpg)
Mammography
Past & PresentSimilar equipments were & are still being used,
these can be called as old fashioned equipments
cone
Tube
Breast Stand
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Mammography
In digital mammography screen-film system has been replaced by Detectors to give the digital images
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Mammography
Present & future
CCD camera
Work station
Equipments look like this
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Mammogram
These digital mammograms are surely better in resolution & details
![Page 5: Mammography presentation](https://reader033.fdocuments.us/reader033/viewer/2022061203/547dec12b479598e508b4a64/html5/thumbnails/5.jpg)
Standard views:
45* Medio lateral Oblique (MLO view)/
Lundgren’s view
Craniocaudal view (CC view)
RCC RMLOLCC LMLO
Left Craniocaudal
Right Craniocaudal
Right Mediolateral
Oblique
Left Mediolateral Oblique
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LATLeft Axillary Tail
LCV Left Cleavage
LFBLeft From Below
LLMOLeft Lateromedial
Oblique
LMLLet Mediolateral
LRLLeft Roll Lateral
LRMLeft Roll Medial
LLMLeft Lateromedial
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Extended CC view / Cleopatra’s view
Extended CC view- medial or lateral rotation
True Lateral view
Axillary view
Cleavage view
Paddle compression view
Magnification view
Eklund view (for breast implants)
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Extended CC view medially rotated
Extended CC view laterally rotated
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Magnification view
![Page 13: Mammography presentation](https://reader033.fdocuments.us/reader033/viewer/2022061203/547dec12b479598e508b4a64/html5/thumbnails/13.jpg)
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CONVENTIONAL CC VIEW EKLUND CC VIEW
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cost issues
• Digital mammography is expensive!
• Using digital technology in all women would cost >$300,000 per QALY gained
• Targeted use of digital mammography on basis of age/breast density costs ~$50,000 per QALY gained
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Computer-Aided Detection
• Software program that highlights areas of concern on digital mammograms
• Uses image processing algorithms and decision threshold parameters to detect features in an image likely to be of clinical significance
• Very sensitive – detects 90% of all cancers• However, has a high rate of false positives (2-4 per study)
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http://www.imagingeconomics.com/issues/articles/2005-12_04.asp
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Courtesy: MIAS digital mammogram database
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Instant Upgrade
• Improved signal-to-noise ratio
• Ability to magnify, change contrast, or alter the brightness.
• Near instantaneous image acquisition
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Courtesy: Magee-Women’s Hospital of UPMC
Digital versus Conventional
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Digital Mammographic Imaging Screening Trial
(DMIST)
• Retrospective study of 49,500 asymptomatic women• Assessed accuracy of digital vs film mammograms
RESULTS:• Digital mammography significantly more accurate in pre-
and perimenopausal women under 50 with dense breasts
• Nonsignificant trend toward improved accuracy with film mammograms in women over 65 with fatty breasts
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A Brief History
- 1913 Albert Salomon, German surgeon
- 1950’s - Jacob Gershon-Cohen began to advocate widespread use of X-rays for screening
- December 2005 – RSNA brings digital mammography to US
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Thank you
Talk about this session with your friends….It will add to your knowledge