Top
30
Doctor insights on: Pet Scan Suv Levels

Share
Dr. Guido Davidzon
292 doctors shared insights

Pet Scan (Definition)

Pet scans most often use a radioactive form of glucose, the energy source for most of the cells in our bodies. The pet scanner can detect and measure how much of the radioactive glucose analog, f-18 fdg, is in a particular organ or region. The areas using more glucose are hyper metabolic and generally more worrisome. Our brains and sometimes hearts prefer glucose as food, making ...Read more


2

2
Is there a way to check dopamine levels in the brain? Would a pet scan be of any benefit?

Is there a way to check dopamine levels in the brain? Would a pet scan be of any benefit?

PET scan: Pet scans in hospitals use glucose metabolism to measure body function. The majority of pet scans are done to look for cancer growth and recurrence there are markers for Dopamine but these are still largely in preclinical or experimental design stages. Besides, parkinson's disease, work is underway to enable pet scans to diagnose alzheimer's disease as well. Excellent question. ...Read more

4

4
Had VIP chemo for stage 3 testicular, hCG at 43 tumors are smaller. Pet scan no intense hits. Alphaf normal. Cause for hCG levels higher?

Had VIP chemo for stage 3 testicular, hCG at 43 tumors are smaller. Pet scan no intense hits. Alphaf normal. Cause for hCG levels higher?

Not an easy situatio: It is hard to assess your complex situation through few lines, but VIP is usually given as a second line chemotherapy for testicular cancer mostly in the salvage setting. Persistent tumor marker is usually a sign of persistent disease and you need a thorough. Evaluation by a GU medical oncologist and preferably in a multidisciplinary setting ...Read more

5

5
What is suv on a pet scan?

What is suv on a pet scan?

StandardUptakeValue: Suv simply stands for standard uptake value of a certain area on a scan (lesion, lymph node, etc). This is typically used to standardize pet scans between institutions and physicians. Studies show that maximum suvs of certain lesions are more indicative of cancer. This takes out some subjectiveness of reading the studies because by looking at this value, one can decide if it is high or low. ...Read more

6

6
Are suv on pet scan gamma?

Are suv on pet scan gamma?

SUV...: Suv stands for standardized uptake value. It is used for semi-quantitative analysis on pet scan. It tells the amount of glucose uptake or hypermetabolism of a tumor. ...Read more

8

8
Residual thymic tissue mild activity SUV 1.5. On PET Scan normal?

Residual thymic tissue mild activity SUV 1.5. On PET Scan normal?

GoBackToThePetBox: At your age the thymus is considered a residual organ, kind of like your appendix. Now, there are some theories as to its function later in life (an immune function or whatever), but overall it just sits there. Of course, it's made of living tissue so there will be some"activity"in it & rarely, can develop a tumor or infection. But in your case who knows? The people who ordered the test in the first place ...Read more

10

10
Why do some mets on a pet scan have a higher SUV uptake than others? Is an uptake of 5.2 high?

Std Uptake Value: Or SUV is a measure of the tumor's metabolic activity. The higher the SUV the more metabolically active the tumor. Metabolic activity often equates with rate of cell division and growth. An SUV of 5.2 is quite high. Values above 2.5 generally are highly suggestive of malignancy. Thanks for trusting HealthTap! ...Read more

11

11
On a pet scan does a lower SUV uptake meAn less aggressive cancer? The SUV uptake was 5.2,

On a pet scan does a lower SUV uptake meAn less aggressive cancer? The SUV uptake was 5.2,

No: SUV has no bearing on the aggressiveness of the cancer. It is a relative measure of the glucose metabolism. In fact, some very aggressive tumors have no FDG uptake at all. Some benign conditions like infection can have high uptake. The standard uptake value depends on many factors like patient body size and serum glucose level and the normal uptake in the tissue surrounding the target lesion. ...Read more

12

12
PET scan to investigate a Right Hilar enlarged lymph node1.4cmX.9cm Results: residual thymic tissue mild activity SUV 1.5. This normal? I reCT in 4mo

PET scan to investigate a Right Hilar enlarged lymph node1.4cmX.9cm Results: residual thymic tissue mild activity SUV 1.5. This normal? I reCT in 4mo

Possibly: SUV of 1.5 is normal to maybe reactive. This makes it very unlikely to be worrisome. The follow up CT should be improved or no change ...Read more

13

13
Is it better that the SUV Max on a pet scan is lower than higher? Does this mean the cancer Is less aggressive and less active What is the highest it can be!

SUV: SUV refers to amount of metabolic activity (glucose uptake) and often corresponds to tumor grade. Lower is usually better. A higher tumor grade usually has higher SUV. SUVs can be very high. There is no exact cutoff. ...Read more

14

14
What stage can thymoma be if it is 3cm, peak 3.8 suv on pet scan? Nearby lymph node about 0.7-1cm. No invasion of pluera or pericardial.

Need Surgery: It is good that there is no clear evidence of spread of the thymoma on the pet scan, but final staging in thymoma is really based on what is found during the operation. The scans, however, strongly suggest this is an early-stage thymoma. ...Read more

15

15
I recently had a Pet Scan. The report indicated my right lung has a hypermetobolic with SUV max 3.0. What doses this mean?

I recently had a Pet Scan. The report indicated my right lung has a hypermetobolic with SUV max 3.0. What doses this mean?

Need investigation: Fast growing (and dividing) cells are designated as hyper metabolic areas in PET scan reading, tumors are also fast dividing fast growing tissue. Speak to your doctor will do further tests and will make sure is not a tumor. Take an appointment without delay for follow up care. ...Read more

16

16
Pet scan 3-4mm, suv value of 1, no further evidence of disease, before surgery melanoma 0.8 mm negative sln, blood samples normal, no other signs ?

Pet scan 3-4mm, suv value of 1, no further evidence of disease, before surgery melanoma 0.8 mm negative sln, blood samples normal, no other signs
?

Melanoma : You now have a baseline to be monitored by you and your oncologist will follow you for the rest of your life the term ned means no evidence of disease not no cancer therefore routine monitoring is your best protection. ...Read more

17

17
A new findin of a liver lesion with 2.8 SUV uptake on pet scan in a colon can patient. Would this b a killed met?

A new findin of a liver lesion with 2.8 SUV uptake on pet scan in a colon can patient. Would this b a killed met?

Possibly: However, the adjacent liver have variable uptake of the PET agent. This could be a normal area of liver or a non-cancerous nodule. Without seeing the images and comparing them to prior studies, I cannot really make an assessment. ...Read more

18

18
What is the lowest intake suv on a pet scan(lung nodule)?

What is the lowest intake suv on a pet scan(lung nodule)?

Zero: The lowest suv (standardized uptake value — a semiquantitative measure of metabolism) is zero.

The maximum suv in a region of interest is called suv max.

Generally, if the lung nodule is less than a suv max of 1, it is likely benign. However, there are plenty of non-malignant diseases that can have increased FDG uptake, such as healing fungal lung infections, called granulomas. ...Read more

19

19
Can nuerontin cause high suv on a pet scan had breast caner 5 years ago, got an ouple of lumps on my nek, took a pet scan, show lymph nodes under arms, groin, chest, foreman of winslow, and others showed high suv, biopsy from under arm was neg. For lymphom

Can nuerontin cause high suv on a pet scan had breast caner 5 years ago, got an ouple of lumps on my nek, took a pet scan, show lymph nodes under arms, groin, chest, foreman of winslow, and others showed high suv, biopsy from under arm was neg. For lymphom

Neurontin (gabapentin) : Neurontin (gabapentin) in very rare circumstances can in fact cause lymphadenopathy (enlarged lymph nodes), but given your history I am very glad that you had a biopsy. Please discuss this carefully with your oncologist given your history. I will wish the best for you. ...Read more

21

21
What is a pet scan?

What is a pet scan?

NUCLEAR CT SCAN: Pet scan is one type of nuclear ct scan (other type is called spect scan) that uses gamma rays as opposed to x-rays used in conventional or standard ct scan. ...Read more

22

22
What can a pet scan show?

What can a pet scan show?

What is the question: Currently pet scans are widely use for evaluation of glucose metabolism in the body.
In oncology, is used to for initial metabolic characterization of tumors, metastases as well as for treatment response and surveillance. In cardiology, pet scans are used to assess heart ischemia and viability and in neurology the study is used to evaluate cognitive disorders, epilepsy and brain tumors ...Read more

23

23
What is a pet scan used for?

What is a pet scan used for?

Approved for cancer: Pet scan are approved for staging, response assessment and surveillance of certain types of cancers. However, any pathologic process that augments the consumption of glucose (such as infection or inflammation) can be evaluated, though these indications are not currently covered. In addition, pet scans are used to evaluate for brain cognitive disorder, heart ischemia and myocardial viability. ...Read more

24

24
How is a pet scan conducted?

How is a pet scan conducted?

Much like a CT: Pet/ct is a scanner which looks a lot like a ct scanner.

However, pet scans most often use a radioactive form of glucose, the energy source for most of the cells in our bodies. The pet scanner can detect and measure how much of the radioactive glucose analog, f-18 fdg, is in a particular organ or region.

The areas using more glucose are hyper metabolic and generally more concerning. ...Read more

25

25
Why do people get a pet scan?

PETs...: Pet scans can be used for a variety of purposes depending on the specific radiotracer used. Most commonly, pets are done with FDG (glucose) for oncologic reasons. Other uses of pet include cardiac pet (viability and perfusion studies) or neurologic pet (for seizure focus mapping or dementia). ...Read more

26

26
What is pet scan of the heartbfor?

What is pet scan of the heartbfor?

Blood Flow: A pet/ct with n13 ammonia allows evaluation of the flow of blood in the cardiac vessels, and is useful in determining if a patient would benefit from a more invasive test, called a cardiac angiogram, to better view suspected vessel narrowings (called stenoses) and possibly treat them with angioplasty and stenting. ...Read more

27

27
Can a PET scan cause an increase in?

Can a PET scan cause an increase in?

What is the question: Your question is incomplete. Can you please resubmit so that we can answer it ...Read more

28

28
What are the limitations of a pet scan?

What are the limitations of a pet scan?

Tricky: Not all cancers are hypermetabolic on pet scans and not all hypermetabolic activity in a pet scan is cancer. Inflammation/infection can also show hypermetabolic activity. Pet scans are performed in conjugation with ct (pet/ct) and though pet is great for detecting metabolism (high sensitivity), its specificity is not as great and also has poor anatomic resolution. Reading a pet requires care/skil. ...Read more

29

29
How much pet scan is useful for my son?

How much pet scan is useful for my son?

More info: It would depend on what disease was being looked for. Pet/ct looks at function, while MRI and ct look at the anatomy primarily. ...Read more

30

30
What does an abnormal pet scan look like?

What does an abnormal pet scan look like?

Increased activity: Where it shouldn't be. All organ systems have some metabolic activity, but active organs, such as the heart, kidneys and brain are normally very active. However, the bones, lungs and muscle are not. Various color schemes can be used to detect abnormal uptake. The yellow orange areas show metastatic disease in the liver and bone. ...Read more