Questions tagged [radiologic-studies]

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0answers
42 views

How safe is low frequency radiation in I.T. edge cases? (5G, etc)

Closely Related: 5G Radiation Dangerous? Being inundated with all kinds of 5G health statements, (for & against), I noticed a weird trend - the absence of cumulative radiation studies. Question: ...
3
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0answers
17 views

DICOM SliceThickness proximity

I do have DICOMs (Digital Images and COmmunications in Medicine) from several CT volumes where most volumes miss the SliceThickness and SliceLocation attribute. Is there another attribute usually ...
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0answers
46 views

Why don't we actively strugle to provide the highest LET particle radiation therapy, maybe with manganese, fluorine, nitrogen, iron, or osmium?

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3885128/ I am a cancer patient since 16, a medical student aiming for radiation oncology and subsidiary MSc&Phd in radiophysics. I am actually ...
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2answers
77 views

Information on the FLUENTAL ® moderator/ shifter. How and who made it?

The FLUENTAL® moderator/shifter appears often in the literature surrounding BNCT therapy. Google offers no search results with useful information on how it was made and whom by.
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0answers
30 views

Ultrasound: Why is the doppler angle setting supposed to be 60 degrees for arteries but 0 degrees for veins?

Why isn't the doppler angle correction supposed to be 60 degrees for veins just like it is for arteries?
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0answers
34 views

Does only the cumulative dose and not the dose rate matter for health effects of low-level radiation?

Most web articles related to negative health effects of radiation and radiation exposures from various sources (diagnostic scans, natural background radiation etc.) compare risk levels in terms of the ...
1
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2answers
106 views

How does cancer radiotherapy target only cancer cells?

I read about cancer treatment where the patient would be given radiation to kill cancer cells. How do they make sure that it affects mostly the cancer cells? Moreover how do they manage it so that it ...
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0answers
16 views

Typical size for breast tumor at the beginning and at the end of radiotherapy treatment

I'd like to know if you know about sizes of breast tumors at the beginning and at the end of a typical radiotherapy treatment. I know that standard scheduled (50 Gy in 25 sessions) and ...
1
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3answers
284 views

What to do when an earthquake hits while inside a MRI?

As mentioned earlier, I had a MRI today... I wasn't in the waiting room for long so I didn't have a chance to read the bright yellow folder labeled "Earthquake Guide during a MRI." But as I walked ...
2
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1answer
186 views

is RADIO-SIGNAL Jammer safe for health?

Recently, I had to overview some WiFi technologies, and then wanted to check RADIOSIGNAL-BLOCKER hardware (a.k.a. WiFi/Cellural-Signal/Bluetooth/ Jammer). We needed to use that technology to block ...
2
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1answer
34 views

Ultra Sound Gender Prediction Accuray

Sorry for a very basic Question (as I am a software engineer) but I am confused after getting material from internet about accuracy of Ultra Sound Gender prediction Question: How much this is likely ...
1
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1answer
45 views

Could hairline fractures be obscured by x-ray images

I had fractured my ankle by the fracture of the fourth metatarsal was not seen in two X-rays that were taken. Only CT-scan revealed the cracks. Why is this the case? I was seen by an doctor who ...
3
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55 views

Are 3D-DSA and 3DRA the same?

This question is to radiologists. I'm a PhD student in medical image processing and (I thought that) I was working with 3D-DSA images obtained by subtraction of non-contrast enhanced CBCT from a ...
5
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1answer
90 views

How do I get screened for (ovarian) cancer?

My wife faces infertility issues, and per a report on NBC news (http://www.nbcnews.com/health/cancer/can-infertility-point-ovarian-cancer-risk-n447901) she potentially faces a higher cancer risk for ...
8
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1answer
10k views

Effects of X-rays on the human body

What is the maximum number of times a person can safely undergo x-ray scanning? If this limit is exceeded, are there serious and/or life threatening side effects that the person may experience?