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-   -   Misc CAT scans vs MRI scans (https://chiefsplanet.com/BB/showthread.php?t=345686)

Pepe Silvia 10-21-2022 06:55 PM
Quote:
Originally Posted by scho63 (Post 16546105)
**** you you jealous douche.

You build scanners as an engineer so you think you a rocket scientist.

My escorts are better than what you're ****ing.
That's your pussy retort to anything I post. A one trick pony.

I know more than you tinker toy builder. Another person who thinks they know about me and what I know.

For the record scumbag, my paternal grandmother lost a breast to cancer, both grandfathers died of lung cancer, my mother died at 60 from ling and brain cancer, my father dies at 57 from liver cancer, my sister had aggressive skin cancer on her leg and had all her lymph nodes removed in her one leg, my two aunts died of cancer and one uncle died of cancer.

I've dealt with more cancers, doctors, CAT scans, MRIs, radiation, chemo than 95% of the people here.

So you can go **** yourself and take your shitty engineering degree with you blowhard.
Next he will whine and get you banned for that post.

WilliamTheIrish 10-21-2022 07:00 PM
Quote:
Originally Posted by scho63 (Post 16546105)
**** you you jealous douche.

You build scanners as an engineer so you think you a rocket scientist.

My escorts are better than what you're ****ing.
That's your pussy retort to anything I post. A one trick pony.

I know more than you tinker toy builder. Another person who thinks they know about me and what I know.

For the record scumbag, my paternal grandmother lost a breast to cancer, both grandfathers died of lung cancer, my mother died at 60 from ling and brain cancer, my father dies at 57 from liver cancer, my sister had aggressive skin cancer on her leg and had all her lymph nodes removed in her one leg, my two aunts died of cancer and one uncle died of cancer.

I've dealt with more cancers, doctors, CAT scans, MRIs, radiation, chemo than 95% of the people here.

So you can go **** yourself and take your shitty engineering degree with you blowhard.
LMAO
Furiously googling web MD to discern differences in imaging platforms makes you exactly what you are every day. A dumpy ****ing moron.

Go dive deep into a tranny, schmo.

WilliamTheIrish 10-21-2022 07:01 PM
Quote:
Originally Posted by Pepe Silvia (Post 16546122)
Next he will whine and get you banned for that post.
^

Looking to be hired by schmo on a slow Friday.

scho63 10-21-2022 07:19 PM
Quote:
Originally Posted by WilliamTheIrish (Post 16546130)
LMAO
Furiously googling web MD to discern differences in imaging platforms makes you exactly what you are every day. A dumpy ****ing moron.

Go dive deep into a tranny, schmo.
And yet Irish the Blowhard ALL my posts are accurate, including my simple first two.

I'll leave the trannies for you to deal with.

WilliamTheIrish 10-21-2022 07:21 PM
Quote:
Originally Posted by scho63 (Post 16546162)
And yet Irish the Blowhard ALL my posts are accurate, including my simple first two.

I'll leave the trannies for you to deal with.
LMAO

Okay schmo.

Lzen 10-21-2022 07:54 PM
Too much alpha in this thread.

Geez, wtf. A fight over who knows more about medical scanning equipment.

In my best Rodney king voice "can't we all just get along?"

jdubya 10-21-2022 08:28 PM
Quote:
Originally Posted by Lzen (Post 16546206)
Too much alpha in this thread.

Geez, wtf. A fight over who knows more about medical scanning equipment.

In my best Rodney king voice "can't we all just get along?"
Agree. I tried some levity several posts up but it landed like a thud. Tough crowd lol

Bearcat 10-21-2022 08:51 PM
Wait...

...did I just read trash talking, "shut up engineer, in this thread about million dollar equipment that takes amazing images inside the human body... my whores are great.... ?

<iframe src="https://giphy.com/embed/vUEznRmVQfG2Q" width="480" height="270" frameBorder="0" class="giphy-embed" allowFullScreen></iframe><p><a href="https://giphy.com/gifs/story-conversation-topic-vUEznRmVQfG2Q">via GIPHY</a></p>

WilliamTheIrish 10-21-2022 08:55 PM
Quote:
Originally Posted by Bearcat (Post 16546283)
Wait...

...did I just read trash talking, "shut up engineer, in this thread about million dollar equipment that takes amazing images inside the human body... my whores are great.... ?

<iframe src="https://giphy.com/embed/vUEznRmVQfG2Q" width="480" height="270" frameBorder="0" class="giphy-embed" allowFullScreen></iframe><p><a href="https://giphy.com/gifs/story-conversation-topic-vUEznRmVQfG2Q">via GIPHY</a></p>


LMAO

“I’ve had a hundred car crashes! My mother, 2 brothers, 7 stepchildren and 3 hired hookers died from me crashing cars.

I know more about automotive crash design than anybody”!!!

'Hamas' Jenkins 10-21-2022 09:21 PM
Quote:
Originally Posted by seclark (Post 16545662)
I was getting a pet scan every 3 months after my immunotherapy infusions. After the 3rd one, my insurance company started bitching about it, so now I get 2 ct scans, one upper body and one lower body every 3 months.
sec
It sucks, and I went through the same thing. PET scan at the start of treatment, PET scan at the halfway point, and a PET scan two months after finishing.


PET/CT scans are preferable, as the FDG (likely the tracer they were using unless you have prostate cancer or a specicic type of neuroendocrine tumor) will localize in tumor cells due to their preferential use of glucose. And since positron emission creates an annihilation event that produces two gamma rays emitting 180 degrees from one another, you get good visualization of areas with higher glucose uptake (tumors), and a 3D field of view. From there, they just overlay the PET scan on top of the CT to gives you functionality and anatomy.

Worst part about getting an FDG scan is that you can't have carbs the day before. My first one was the day before SB XLIV. That was suboptimal timing.

'Hamas' Jenkins 10-21-2022 09:29 PM
Quote:
Originally Posted by scho63 (Post 16546029)
What are the advantages of MRI?
Where MRI really excels is showing certain diseases that a CT scan cannot detect. Some cancers, such as prostate cancer, uterine cancer, and certain liver cancers, are pretty much invisible or very hard to detect on a CT scan. Metastases to the bone and brain also show up better on an MRI. This imaging is also used for many purposes unrelated to cancer, including injuries to soft tissue or joints, and injury or disease of internal organs including the brain, heart, and digestive organs.

Nah, bro. You're much better off using PET/CT for oncology. F18 Sodium Fluoride is also better than MRI and bone scintigraphy for skeletal lesions related to prostate and breast cancer.

Monticore 10-22-2022 05:01 AM
Quote:
Originally Posted by 'Hamas' Jenkins (Post 16546324)
Nah, bro. You're much better off using PET/CT for oncology. F18 Sodium Fluoride is also better than MRI and bone scintigraphy for skeletal lesions related to prostate and breast cancer.
PET/CT is not as readily available at least around here, for staging it is the gold standard for most CA I would assume but MRI has the advantage of not using radiation. Our CT vendor said that CT’s cause 2% of all CA in the US , didn’t fact check that but figured the guy trying to sell us his equipment would lie a bout that , doses are getting lower every year though .

CT has just become such a crutch for doctors it often over prescribed, if I have already located and sized a kidney stone or confirmed an appendicitis on ultrasound you do t really need the CT , but they still order it.

WilliamTheIrish 10-22-2022 06:09 AM
Quote:
Originally Posted by Monticore (Post 16546427)
PET/CT is not as readily available at least around here, for staging it is the gold standard for most CA I would assume but MRI has the advantage of not using radiation. Our CT vendor said that CT’s cause 2% of all CA in the US , didn’t fact check that but figured the guy trying to sell us his equipment would lie a bout that , doses are getting lower every year though .

CT has just become such a crutch for doctors it often over prescribed, if I have already located and sized a kidney stone or confirmed an appendicitis on ultrasound you do t really need the CT , but they still order it.
Accumulated dose is an overriding factor in medicine. About 20 years ago, I attended my first dose reduction conference. It really opened eyes about the technical factors used and taught to end users. Just after the turn of the century, end users were using a one size fits all technique. Even for children. Images were incredible. Just outstanding.
And nobody thought much about dose. Since that conference, we worked with a group from Duke University setting up pediatric weight based protocols reducing dose by 75%.

As for the 2% claim, I’d like to see what that’s based on. The risk/benefit factor plays a large role in CT usage. And yes, while you can localize a stone in renal pelvis or lower pole with US, a urologist wants to be sure it hasn’t made its way down to the UPJ or deeper before navigating a wire into the ureter and following that with a rigid scope. Or a flexible scope into the kidney. Delicate surgery, that.

Monticore 10-22-2022 07:29 AM
Quote:
Originally Posted by WilliamTheIrish (Post 16546441)
Accumulated dose is an overriding factor in medicine. About 20 years ago, I attended my first dose reduction conference. It really opened eyes about the technical factors used and taught to end users. Just after the turn of the century, end users were using a one size fits all technique. Even for children. Images were incredible. Just outstanding.
And nobody thought much about dose. Since that conference, we worked with a group from Duke University setting up pediatric weight based protocols reducing dose by 75%.

As for the 2% claim, I’d like to see what that’s based on. The risk/benefit factor plays a large role in CT usage. And yes, while you can localize a stone in renal pelvis or lower pole with US, a urologist wants to be sure it hasn’t made its way down to the UPJ or deeper before navigating a wire into the ureter and following that with a rigid scope. Or a flexible scope into the kidney. Delicate surgery, that.
I can usually see stones at the UVJ or anywhere along the tract and size will probably determine is it needs i intervention , CT might be better To R/O septic stones as U/S isn’t great for acute pyelo.

WilliamTheIrish 10-22-2022 08:31 AM
Monti,

I totally agree with you about the overuse of CT. Curious about your thoughts on that in the Canadian health system.

In US health systems, it’s (IMO) overused because of our “business model”. The more scans, the more revenue generated, the greater profit by individual health care systems. And as you know, CT/MRI generate a ton of revenue vs US. (At least in the systems in which I operate).

How does it work in your world?


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