What is an octreotide scan used for?

What is an octreotide scan used for?

A type of radionuclide scan used to find carcinoid and other types of tumors. Radioactive octreotide, a drug similar to somatostatin, is injected into a vein and travels through the bloodstream. The radioactive octreotide attaches to tumor cells that have receptors for somatostatin.

Who performs octreotide scan?

A radiologist will interpret the images, write a report, and deliver the results to your doctor via the internal computer system. This process usually takes less than 24 hours.

What is Dotatate scan?

A Ga-68 dotatate scan is a test used to check the body for the presence of neuroendocrine tumor cells. You will have this test done in the Nuclear Medicine department. Nuclear medicine is a type of radiology that uses radioactive materials to diagnose or treat diseases.

What is the difference between a PET scan and an octreotide scan?

Conclusions Ga PET/CT is more accurate for staging and superior to Octreoscan SPECT in the detection of overall number of lesions in the body as well as organs and bones. Ga PET/CT also allows for calculation of standardized uptake value, has less whole body radiation, and is performed in less time versus Octreoscan.

Where are neuroendocrine tumors found?

Neuroendocrine cells have traits similar to those of nerve cells and hormone-producing cells. Neuroendocrine tumors are rare and can occur anywhere in the body. Most neuroendocrine tumors occur in the lungs, appendix, small intestine, rectum and pancreas.

How is an Octreoscan performed?

To detect these tumours, a small amount of harmless medication, a radiopharmaceutical (see InsideRadiology: Nuclear Medicine), is injected into a vein in the arm, followed by a whole-body scan to take pictures or images. The same images are also taken the next day, but no further injection is given on the second visit.

What is a Netspot scan?

NETSPOT is the first Gallium-68 injection, a radioactive diagnostic agent for PET/CT imaging. This scan helps accurately locate and characterize tumors in adult patients with somatostatin-receptor positive Neuroendocrine Tumors (NETs).

What is a chromogranin a test?

The chromogranin A (CgA) test is used as a tumor marker. It may be ordered alone or in combination with a 5-HIAA test to help diagnose carcinoid tumors. CgA may also be used to detect the presence of other tumors arising from neuroendocrine cells.

Do neuroendocrine tumors show up on a PET scan?

Positron Emission Tomography (PET) is another type of scan that uses radioactive material and a special scanning device to detect neuroendocrine tumors.

Do carcinoid tumors show on PET scan?

Typical positron emission tomography (PET) scans are not effective in detecting carcinoid tumors, because unlike other cancers, NETs do not consume glucose rapidly.

What is an octreotate PET-CT scan?

What is an Octreotate PET-CT Scan? Octreotate is a peptide (a small protein) which binds to somatostatin receptors on the cell surface of certain cancers, known collectively as neuroendocrine tumours.

What is an octreotide scan?

An octreotide scan is a type of SPECT scintigraphy used to find carcinoid, pancreatic neuroendocrine tumors, and to localize sarcoidosis. It is also called somatostatin receptor scintigraphy (SRS). Octreotide, a drug similar to somatostatin, is radiolabeled with indium-111, and is injected into a vein and travels through the bloodstream.

What is the sensitivity of octreotide scan for pancreatic neuroendocrine tumors?

For the detection of pancreatic neuroendocrine tumors, an octreotide scan has a sensitivity of 75 to 100%. Octreotide is a synthetic analog of somatostatin, which is an endogenous peptide released by neuroendocrine cells, activated immune cells, and various inflammatory cells. Octreotide radiolabeling is with indium-111.

What is the difference between An octreotide scan and gallium-68?

Gallium -68 receptor PET -CT is much more accurate than an Octreotide scan (“OctreoScan”). An octreotide scan may be used to locate suspected primary neuroendocrine tumours (NET) or for follow-up or staging after treatment.