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The gamma emission of gallium-67 is imaged by a gamma camera, while the positron emission of gallium-68 is imaged by positron emission tomography (PET). Gallium salts like gallium citrate and gallium nitrate may be used. The form of salt is not important, since it is the freely dissolved gallium ion Ga 3+ which is active. [1]
Gallium-68 DOTA scans are increasingly replacing octreotide scans (a type of indium-111 scan using octreotide as a somatostatin receptor ligand). The 68 Ga is bound to a chemical such as DOTATOC and the positrons it emits are imaged by PET-CT scan. Such scans are useful in locating neuroendocrine tumors and pancreatic cancer. [8] Thus ...
Gallium (68 Ga) gozetotide or Gallium (68 Ga) PSMA-11 sold under the brand name Illuccix among others, is a radiopharmaceutical made of 68 Ga conjugated to prostate-specific membrane antigen (PSMA) targeting ligand, Glu-Urea-Lys(Ahx)-HBED-CC, used for imaging prostate cancer by positron emission tomography (PET). [11]
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Positron emission tomography–computed tomography (better known as PET-CT or PET/CT) is a nuclear medicine technique which combines, in a single gantry, a positron emission tomography (PET) scanner and an x-ray computed tomography (CT) scanner, to acquire sequential images from both devices in the same session, which are combined into a single superposed (co-registered) image.
A PSMA scan is a nuclear medicine imaging technique used in the diagnosis and staging of prostate cancer. It is carried out by injection of a radiopharmaceutical with a positron or gamma emitting radionuclide and a prostate-specific membrane antigen (PSMA) targeting ligand .
They're gorgeous up close, but astronauts on the International Space Station have been snapping photos of Earth for years and have compiled nearly 1,000 images of the beautiful Garden State.
DOTA-TATE can be reacted with the radionuclides gallium-68 (T 1/2 = 68 min), lutetium-177 (T 1/2 = 6.65 d) and copper-64 (T 1/2 = 12.7 h) to form radiopharmaceuticals for positron emission tomography (PET) imaging or radionuclide therapy. 177 Lu DOTA-TATE therapy is a form of peptide receptor radionuclide therapy (PRRT) which targets ...