Radiology scan: which kind used to study damaged ab hernia mesh?

Posted by musicbart @musicbart, Dec 17, 2024

To study abdominal hernia mesh inserted endoscopically in both groins 10 yrs ago, what kind of radiology scan's best used to study any physical damage, movement, disruption, tearing, etc. to the mesh? I'm not so keen on CT scanning due to the bad ionizing effects on cells and tissues from the CT radiation so I wonder if ultrasound or MRI are also used for this reason.

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I don't have an answer for your question though it made me check on the concerns you raise. Can you talk to the doctor or radiologist before your CT scan appointment? Ask for the lowest dose possible. It reminds me of all the extra x-rays and scans I get at a dentist, where my concerns are always rebutted. Years went by before they used a collar to protect the thyroid,
but only when I asked.
https://med.stanford.edu/news/all-news/2015/07/dna-damage-seen-in-patients-undergoing-ct-scanning-study-finds.html

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Profile picture for charlotte12 @charlotte12

I don't have an answer for your question though it made me check on the concerns you raise. Can you talk to the doctor or radiologist before your CT scan appointment? Ask for the lowest dose possible. It reminds me of all the extra x-rays and scans I get at a dentist, where my concerns are always rebutted. Years went by before they used a collar to protect the thyroid,
but only when I asked.
https://med.stanford.edu/news/all-news/2015/07/dna-damage-seen-in-patients-undergoing-ct-scanning-study-finds.html

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Thank you Charlotte for your good posting here and for the great link to the Stanford article!

Yes, too many MDs (and especially chiropractors) use X-ray devices as toys. I'm always so annoyed with some health care person says to me "Oh, flying across the US causes you to be irradiated a good deal." The problem with that is that flying across the US is *diffuse radiation*- it's *NOT* the concentrated radiation - produced and emitted by some X-ray device - of some smallish body area. That's why way too many of these X-ray radiographs can cause cancers. And all the cell/tissue damaging effects from X-ray devices are cumulative too: over years of these, the bad radiation effects all add up to something to be avoided.

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100 percent agree. They think nothing or do they say about dosing us with radiation.

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That article from 2015 was very helpful in 2015 but it is no longer correct. When researching you really need to look at more than one source for supportive material. Here is a general AI search.
“Yes, CT scanning technology has significantly improved since 2015 in terms of reducing the amount of ionizing radiation emitted, with newer scanners capable of producing high-quality images while delivering considerably lower radiation doses to patients due to advancements in detector systems, image reconstruction algorithms, and dose optimization techniques.
Key points about the improvement in CT radiation reduction:
Advanced detector technology:
Newer CT scanners utilize more efficient detectors that can capture more detailed information with less radiation needed.
Iterative reconstruction algorithms:
Sophisticated image reconstruction software allows for better image quality even at lower radiation doses.
Automatic dose modulation:
Modern scanners can automatically adjust radiation levels based on the patient's body size and anatomy, delivering less radiation to areas that require less detail.
Photon-counting CT:
This emerging technology offers even greater precision in dose management and improved image quality by measuring the energy of X-rays directly.
Important considerations:
Clinical practice matters:
While technology has advanced, it's crucial for healthcare providers to utilize appropriate scan protocols and dose reduction strategies to minimize radiation exposure for each patient.
Not all scans are equal:
The amount of radiation delivered in a CT scan varies depending on the body part being imaged and the specific scan parameters used.”
This is another study from from 2023 that again supports improved methodologies and equipment have reduced both radiation exposure and exposure time with added beams in the scanners.
I was a lowly radiology technician student at UPenn Hospital in 1976 when they were developing CT scanners so please forgive the technology data but it does demonstrate the differences between 2015 and now.
https://pmc.ncbi.nlm.nih.gov/articles/PMC10198168/
Concerning the mesh you’re hoping to see, depends on what type of mesh the surgeon utilized for your hernia’s.
“Yes, surgical mesh can show up on plain X-ray films, but the visibility depends on the type of mesh:
Ultrapro: Not visible at all
Prolene: Hardly discernible
Composix: Readily seen
Dualmesh: Always visible
Different types of surgical mesh have varying visibility on conventional imaging, such as X-ray, computed tomography (CT), and magnetic resonance imaging (MRI). For example, polypropylene and plaited polyester mesh are either invisible or poorly seen at CT.
You should ask your surgeon if the mesh you will use will show up on or interfere with imaging tests”

REPLY
Profile picture for jenatsky @jenatsky

That article from 2015 was very helpful in 2015 but it is no longer correct. When researching you really need to look at more than one source for supportive material. Here is a general AI search.
“Yes, CT scanning technology has significantly improved since 2015 in terms of reducing the amount of ionizing radiation emitted, with newer scanners capable of producing high-quality images while delivering considerably lower radiation doses to patients due to advancements in detector systems, image reconstruction algorithms, and dose optimization techniques.
Key points about the improvement in CT radiation reduction:
Advanced detector technology:
Newer CT scanners utilize more efficient detectors that can capture more detailed information with less radiation needed.
Iterative reconstruction algorithms:
Sophisticated image reconstruction software allows for better image quality even at lower radiation doses.
Automatic dose modulation:
Modern scanners can automatically adjust radiation levels based on the patient's body size and anatomy, delivering less radiation to areas that require less detail.
Photon-counting CT:
This emerging technology offers even greater precision in dose management and improved image quality by measuring the energy of X-rays directly.
Important considerations:
Clinical practice matters:
While technology has advanced, it's crucial for healthcare providers to utilize appropriate scan protocols and dose reduction strategies to minimize radiation exposure for each patient.
Not all scans are equal:
The amount of radiation delivered in a CT scan varies depending on the body part being imaged and the specific scan parameters used.”
This is another study from from 2023 that again supports improved methodologies and equipment have reduced both radiation exposure and exposure time with added beams in the scanners.
I was a lowly radiology technician student at UPenn Hospital in 1976 when they were developing CT scanners so please forgive the technology data but it does demonstrate the differences between 2015 and now.
https://pmc.ncbi.nlm.nih.gov/articles/PMC10198168/
Concerning the mesh you’re hoping to see, depends on what type of mesh the surgeon utilized for your hernia’s.
“Yes, surgical mesh can show up on plain X-ray films, but the visibility depends on the type of mesh:
Ultrapro: Not visible at all
Prolene: Hardly discernible
Composix: Readily seen
Dualmesh: Always visible
Different types of surgical mesh have varying visibility on conventional imaging, such as X-ray, computed tomography (CT), and magnetic resonance imaging (MRI). For example, polypropylene and plaited polyester mesh are either invisible or poorly seen at CT.
You should ask your surgeon if the mesh you will use will show up on or interfere with imaging tests”

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Curious as you seem to be informed on radiation levels, you might be able to answer my question. . I was advised to get an MRI with and without contrast. What is your knowledge base on contrast and how good is the imaging without it? Thx!

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