breast cancer prevention by julian kunz. what is breast cancer? also known as mammacarcinoma a...
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![Page 1: Breast cancer prevention By Julian Kunz. What is Breast cancer? Also known as mammacarcinoma A malign tumor spreading from the lobar epithelium (lobar](https://reader036.vdocuments.site/reader036/viewer/2022062423/5697c0061a28abf838cc5412/html5/thumbnails/1.jpg)
Breast cancer preventionBreast cancer prevention
By Julian Kunz
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What is Breast cancer?What is Breast cancer?
Also known as mammacarcinomaA malign tumor spreading from the lobar
epithelium (lobar carcinoma) or the lactiferous ducts (ductal carcinoma)
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EtiologyEtiology
Most common malign tumor in the female population (~ 25%)
In women between 30 and 60 it is the most common cause of death in the western world
In germany 17000 women die of it every year Even though it is very rare men can be affeceted
too
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Cause of death Cause of death „mammacarcinoma“„mammacarcinoma“
Age 2003 2004 2005 2006
0 – 30 0.4 0.5 0.5 0.4
30 – 40 10 11 10 11
40 – 50 13 14 14 13
50 – 60 14 14 13 14
60 – 70 9 10 10 10
70 – 80 4 5 4 5
80 > 2 2 2 2
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Risks and CausesRisks and Causes Genetic factors: play a big rule in the type of
breast cancer affecting young women Breast cancer virus: Since the 1930s researchers
have been looking for a virus analogous to the mamma-tumor-virus causing benign cancer in mice
Birth control pills: The adverse effect of these drugs hasn‘t been completely discovered; however there is a moderate risk increase if the medication has been taken for longer than 5 years
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Risks and CausesRisks and Causes
Hormone therapy: to reduce symptoms menopause
Pregnancy: an early first pregnancy reduces the risk of breast cancer
Osteoporosis prevention: calcium and vitamin D therapy also decrease the risk of breast cancer markedly
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Prevention and ScreeningPrevention and Screening
80 – 90% of all changes are discovered by women themselves even though only 20% examine themselves
The examination should be done on a monthly basis 5-7 days after menorrhoea
In case of a palpated anomaly women should consult their physician for a more detailed examination
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„„Discovering Hands“Discovering Hands“
Blind people have a highly developed sense of touch
This special ability might be put to use in North Rhine-Westfalia (NRW)
In case of success it would create a new profession for blind women
Training programs will begin in 2008
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MammographyMammography
Is an x-ray examination with a special apparatus
The breast is comprimed between two plates of plexiglass to keep the breast in position (might result in bruises)
The applied x-rays are rather soft (26-30 keV) to increase the contrast small neoplasmatic tissue formations can be seen
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SonographySonography
Ultrasound-based technique done after palpation of an anomaly to rule out possible cysts and to estimate the size of the tumor
Only in addition to mammography as neither microcalcium nor tumors smaller than 5mm can be detected
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MRIMRI
An important imaging technique to find out if the breast has been affected by more than one tumor
Multifocality: more than one tumor in the same quadrant
Multicentrality: other tumors in other quadrants
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Computer Assisted Detection Computer Assisted Detection (CAD)(CAD)
CAD systems help searching digital images for typical structures and also to point out possibly diseased regions
It is a relatively young interdisciplinary technology combining elements of artificial intelligence and digital image processing
It serves mostly as a second opinion to the report of the responsible physician
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Mammography-Screening-Mammography-Screening-CentersCenters
Currently a network of quality assured screening centers is being build up in Germany
Woman between the age 50 and 70 are invited once a year to get a mammography
In case of a report of an anomaly in the scan they are send for a biopsy of the suspicious tissue formation
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Punching BiopsyPunching Biopsy
A needle is shot at high velocity into the neoplasmatic tissue
Done in locally sedated state
(At least 3 samples are taken to avoid mistakes
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Needle BiopsyNeedle Biopsy
With a syringe and a special needle tissues are drawn from a palpable tissue formation
As painful as venipunctureIn case of a malign tumor the result is sure
wheras it is only 90% sure for a benign tumor
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Advanced Breast Biopsy Advanced Breast Biopsy Instrumentation (ABBI)Instrumentation (ABBI)
Biopsy with relatively large probe (6-20 mm)
Done with x-ray to ensure localisation of target
Mostly used for analysis of microcalcification
Has only been in use for a few years many unexperienced physicians