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3d x ray scanning image
"TORPEdo"
Some of us know that the X-ray machine needs a darkroom for the processing of the radiographs. I'm just wondering if the CT scan still needs a darkroom to produce diagnostic images and a cassette that will contain the film.
Answer
Nope!
The CT scanner contains an x-ray tube, the same as a regular x-ray room, but has detectors on the other side, rather than a film cassette. The tube and detectors spin around you (this part is called the gantry) acquiring information continuously (in a spiral) as you move through it on the table.
All the information from the detectors is gathered by the Image Capture System (called raw data) which is then reconstructed, first into a usable image, and then into any way the operator chooses - in different planes, in different slice thicknesses, in different brightness/contrasts ('windows') concentrating on different body parts (ie, bone or soft tissue or lung), or in cool 3D pictures.
These images are then sent electronically to a workstation for the radiologist to report from, and sometimes to the Internet, over a secure connection, for the referring doctor to view.
(PS Even most general x-ray rooms these days don't use film - they use an electronic plate that captures the charge of the x-ray, which is then put through a reader to load onto the computer. The plate is then (electronically) wiped clean and then reused. Some places even have direct-capture systems where the plate is eliminated all together!)
Nope!
The CT scanner contains an x-ray tube, the same as a regular x-ray room, but has detectors on the other side, rather than a film cassette. The tube and detectors spin around you (this part is called the gantry) acquiring information continuously (in a spiral) as you move through it on the table.
All the information from the detectors is gathered by the Image Capture System (called raw data) which is then reconstructed, first into a usable image, and then into any way the operator chooses - in different planes, in different slice thicknesses, in different brightness/contrasts ('windows') concentrating on different body parts (ie, bone or soft tissue or lung), or in cool 3D pictures.
These images are then sent electronically to a workstation for the radiologist to report from, and sometimes to the Internet, over a secure connection, for the referring doctor to view.
(PS Even most general x-ray rooms these days don't use film - they use an electronic plate that captures the charge of the x-ray, which is then put through a reader to load onto the computer. The plate is then (electronically) wiped clean and then reused. Some places even have direct-capture systems where the plate is eliminated all together!)
can you make an x ray see through your skull?
Chris
i need an image of the surface of my brain. an mri and a ct scan miss whats under the surface of your brain. the skull and brain are to close together and you cant see it. i think theres something maybe metal under my skull. can an x ray make your skull transparent? i need something like a normal x ray but see through. do you know how?
Answer
X ray have a penetrative power, with the quantity of the rays stopped being a function of the density of whatever it is going through, but it cannot change the property of matter.
Tomography allows a better view that allows a reconstruction of a 3D image by doing several X ray along different directions. Magnetic resonance imaging relies on the different way hydrogen in molecules will align with a powerful magnet, which allows it to image tissue that contain water.
The only imaging technique you have not listed is the positron emission tomography (PET) which require short lived radio active isotopes to be injected.
If those techniques do not work, then your request would need something that is not yet available.
X ray have a penetrative power, with the quantity of the rays stopped being a function of the density of whatever it is going through, but it cannot change the property of matter.
Tomography allows a better view that allows a reconstruction of a 3D image by doing several X ray along different directions. Magnetic resonance imaging relies on the different way hydrogen in molecules will align with a powerful magnet, which allows it to image tissue that contain water.
The only imaging technique you have not listed is the positron emission tomography (PET) which require short lived radio active isotopes to be injected.
If those techniques do not work, then your request would need something that is not yet available.
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Title Post: Does the CT Scan need a darkroom and cassette to produce radiographs?
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Rating: 100% based on 99998 ratings. 5 user reviews.
Author: Yukie
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