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 (...
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  • 6,757
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 ...
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  • 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 ...
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  • 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 ...
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  • 15.6k
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 ...
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  • 15.6k
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 ...
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  • 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 ...
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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 ...
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  • 15.6k
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.
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  • 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 ...
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  • 15.6k
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. ...
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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 ...
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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 ...
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  • 5,693
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 ...
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  • 2,218
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.
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  • 1,157

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