12
votes
CT scans and cancer risk
Every procedure has to be weighed for potential costs and benefits. Cancer is a risk already present and might shorten a life, CT scans on the other hand are done to prolong a life.
The exact risks (...
- 6,887
6
votes
Real dangers of CT Scan made only once at age of 31
CT brain at 31, what's the risk?
Short answer: Very little, compared to overall cancer risk*
Longer answer:
Your girlfriend is concerned about increased risk of brain malignancy due to having a CT at ...
- 701
6
votes
Accepted
How to check for presence of intestinal parasites and what's the procedure to get rid of them?
The intestinal and luminal protozoa are normally identified in stool specimens, the blood protozoa by examination of blood films with microscopy (malaria), and lymph node biopsy and serological ...
- 13.2k
5
votes
Is a CT scan specific to an organ?
In general, a CT scan of an organ is intended to check only that organ, not the entire body region, even if some other organs are seen on the image. A CT of one organ can accidentally reveal a ...
- 15.8k
5
votes
How to check for presence of intestinal parasites and what's the procedure to get rid of them?
Intestinal parasites can be detected by stool tests (and additional blood tests if necessary). Note that these tests are often false negative, which means they may not detect parasites even if you ...
- 15.8k
4
votes
Accepted
Dangers of having MRI, CT-scan, & X-ray within a seven day period?
The amounts of radiation in today's machines is low enough that there is no negative impact to be expected.
For comparison:
X-Rays: A chest X-ray gives you about 10 mrem
MRIs measure the reaction ...
- 155
3
votes
Accepted
How to request copies of CT-Scans, MRI, X-rays & ultrasound/endoscopic imagery from Dr.'s/Surgeons for personal records? Possible?
Regarding United States, quote from "Copy Fees and Patients’ Rights to Obtain a Copy of Their Medical Records: From Law to Reality" (2005):
Patients have a legal right under HIPAA to a copy of ...
3
votes
Can a CT scan of the abdomen help find unhealthy mucosal lining in the small intestine?
Yes, an abdominal CT scan can reveal abnormal mucous lining in the small intestine, for example, in Crohn's disease (PubMed Central), lymphoma, etc.
Additional investigations, such as capsule ...
- 15.8k
3
votes
Medical Images and workflow
Take a look at the IHE Radiology Scheduled Workflow integration profile in IHE Radiology (RAD) Technical Framework. This explains a common workflow model.
- 31
3
votes
Accepted
Meaning of "acquisition in a single volume" (CT scanning)
“Acquisition in a single volume” means an image obtained by a single rotation of a scanner ("single gantry rotation"). It covers up to 16 cm of the body.
"Wide volume imaging" includes repeated ...
- 15.8k
2
votes
Real dangers of CT Scan made only once at age of 31
The TL;DR answer is: yes, radiation can cause cancer, but no one knows for sure exactly what the risk is of one CT scan.
Radiation (especially in fetuses/children) increases the likelihood of cancer. ...
- 9,472
1
vote
COVID-19: Medical imaging recommendations from Asia
I don't know about official Chinese recommendations, but this might help.
China had experience with SARS, and this new infection was looking a lot like SARS. They did not have a surfeit of testing ...
- 9,472
1
vote
Accepted
Need some clarification on benign prostatic hyperplasia (BPH)
It is very important that you and your dad see his doctor for an explanation of these results ASAP. Reading CT results out of clinical context can lead to misunderstandings. The doctor can analyze ...
- 5,784
1
vote
Real dangers of CT Scan made only once at age of 31
The risk from a single CT exposure should realistically be estimated to be zero.
The commonly used "linear no-threshold extrapolation model" to get to estimates of cancer risks due to exposure to low ...
- 2,260
1
vote
Derive radiation exposure from DICOM files
I would say no, because Sievert is defined as Joule/kg (https://en.wikipedia.org/wiki/Sievert). I cannot find the patient weight or mass irradiated in the provided data.
- 1,161
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