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does a pet scan show all cancers

A 39-year-old member asked:
Dr. William Singer
50 years experience Pediatric Neurology
Metabolism: A pet scan is a measure of brain areas metabolism. Brain tumors have a unique metabolic picture and alter the normal metabolic pattern of the affecti ... Read More
Dr. Ryan Polselli
14 years experience Radiology
A few exceptions: A pet scan is a very good study to detect most types of cancer throughout the body. However, as with most studies, there are a few exceptions. Cancers ... Read More
Dr. Guido Davidzon
17 years experience Nuclear Medicine
No: Size matters: with current pet systems, the limit of resolution for detecting typical cancers by 18f-fdg pet generally ranges between a 0.4- and 1.0-c ... Read More

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A 62-year-old male asked:
Dr. Lewis Hassell
38 years experience Pathology
PET in cancer: PET scans are used to detect areas of abnormally increased metabolism, while CT scans only detect areas of differing density or lucency to radiation. ... Read More
A 32-year-old female asked:
Dr. Christian Schultheis
23 years experience Hematology and Oncology
Possibly: More important is the pathology. We rely on pathology and the immunochemistry. The pet may be helpful but sometimes we do not find a primary. This ... Read More
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Dr. Guido Davidzon
17 years experience Nuclear Medicine
Maybe: Pet/ct scan is a very sensitive test and may very well find additional sites of disease. However, its sensitivity varies depending on the cancer histo ... Read More
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Dr. Herbert Hoover
50 years experience General Practice
PET could help: A pet scan could be helpful as any malignancy greater than 1 cm in size should be hot. Small tumors can be behind folds or stool or be missed on colon ... Read More
A 66-year-old female asked:
Dr. Ed Friedlander
43 years experience Pathology
No: It shows lots of things
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A 46-year-old member asked:
Dr. Geoffrey Rutledge
40 years experience Internal Medicine
PET : Pet scans are used for diagnosis, staging, and restaging of certain kinds of cancers such as lung, colorectal, esophageal, and head and neck cancers, ... Read More
A 25-year-old member asked:
Dr. David Cooke
21 years experience Thoracic Surgery
Adjunctive: Pet scans utilize a special sugar molecule or glucose, and attaches a harmless piece of radioactivity to it (fdg). The FDG is taken up by metabolical ... Read More
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A 61-year-old female asked:
Dr. Hashim Alani
Specializes in Plastic Surgery
Lymph nodes: Need to see a surgeon. Be serious about it.
A 55-year-old female asked:
Dr. Morton Levitt
A Verified Doctor answered
A US doctor answered Learn more
Liver nodules: Multiple small nodules in the liver can be due to a multiplicity of causes, ranging from benign cysts, vascular lesions, infectious foci, or tumors. T ... Read More
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A 59-year-old female asked:
Dr. Michael Gabor
32 years experience Diagnostic Radiology
It depends: If the bronchoscopic biopsy showed a specific benign process that could account for the PET finding, you have an answer. If not, you might need to ha ... Read More
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A 47-year-old member asked:
Dr. Geoffrey Rutledge
40 years experience Internal Medicine
While : While pet imaging is commonly used for staging and restaging of lymphoma, pet imaging is not in widespread clinical use in the diagnosis or staging of ... Read More

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