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A colloid labeled with radioactive technetium was swept from the blood stream by normal liver tissue. Cookies are little nuggets of information that web servers store on your computer to make it easier for them to keep track of your browsing session.

Subscribe to our newsletter Some error text Name. The Polaroid camera aperture was reduced to avoid overexposure as the number of counts was increased. Fysisk biofisic – Rikshospitalet 1.

Unidad 9 Biofísica de las Radiaciones Imágenes de Medicina Nuclear – ppt video online download

Imaging Molecolare con radionuclidi: Emission Computed Tomography 1. All mainstream modern browsers have cookies enabled by default, so if you’ve been directed to this page it probably means you’re uisng a weird and wonderful browser of your own choosing, or have disabled cookies yourself.

Share buttons are a little bit lower. For example, CO can be made with 11C. We think you have liked this presentation.

Published by Kendal Husbands Modified over 4 years ago. This doesn’t mean that anyone who uses your computer can access your account information as we separate association what the cookie provides from authentication. Sometimes, we also use a cookie to keep track of your trolley contents. Saddiq Jastniah Introduction to Nuclear Medicine 2 nd year. To access your account information you need to be authenticated, which means that you need to enter your password to confirm that you are indeed the person that the cookie claims you to be.


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Registration Forgot your password? Nuclear Medicine Physiological Imaging Radioactive isotopes which emit gamma rays or other ionizing forms half life for most is hours.

The number of counts ranges from toDigitized version of the same data. If a portion of the brain is active, increased blood flow carries the isotope to it, where it shows up on the image. For example, measurement of glucose—fluorodeoxyglucose FDG metabolism is used to determine tumor growth. Abnormal functioning, tumors, seizures and other anomalies may also be mapped this way. Auth with social network: Authentication ends after about 15 minutues of inactivity, or when you explicitly choose to end it.

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Unidad 9 Biofísica de las Radiaciones Imágenes de Medicina Nuclear

The two detectors on opposite sides of the patient that biofislca if the two scintillation effects are coincident and have energy levels close to keV. Cookies come in two flavours – persistent and transient. The conventional analog image is on the left, the digitized version on the right.


The resulting multiple slices show depth activity in the volume of interest. What is a tracer? About project SlidePlayer Terms of Service.

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A activation email has been sent to you. Additional pairs of detectors permit faster operation.

frmento The gamma rays are collected from the patient in a manner similar to CT, but several slices are obtained at the same time. Why is collimation necessary and what are its consequences?

Biofisica – 3 Edicion

Email address subscribed successfully. Image reconstruction is similar to that of CT, but an advantage of PET is that all of the most common radioisotopes used, 15O, 13N, 11C and 18F, can be compounded as metabolites. Please click the link in that email to activate your subscription.

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