Question 1

have a pet/ct scan tomorrow at 1 pm, its 6:45pm now. i had fried chicken but i peeled the skin off. i had no sides. will this effect the scan?

Accepted Answer

No Problem: Here are Diet instructions 12 hours before your appointment:
Eat a low carbohydrate diet. Foods like meat, hard cheese, tofu, eggs, and vegetables with no starch can be eaten.
Foods like cereal, pasta, milk, breads and other sugars are NOT allowed.
6 hours before your appointment:
Stop eating 6 hours before your appointment; however, you may continue to drink water.

Question 2

does a pet ct scan replace a colonoscopy?

Accepted Answer

No: Depending on what you are getting the pet scan for, they are more or less sensitive. If the pet is being done as surveillance or colon cancer, it is good for picking up recurrent disease, but will not pick up new polyps within the colon. You would still need the colonoscopy.

Question 3

what are hypometabolic tumors mean on pet/ct scan?

Accepted Answer

May be benign tumor: PET scan shows the degree of metabolic activity and the CT shows the dimensions of the lesion that is producing metabolic activity(or lacking it.).  Increased metabolic activity is a common feature of cancer  as well as Inflammation. If there is no increased uptake of PET material(that means it is hypometabolic, as opposed to hypermetabolic, the lesion/tumor is unlikely to be Cancer(with a few exe

Question 4

how much does it cost me to get a pet ct scan in india?

Accepted Answer

Unlike many imaging: Procedures, whereeach test tries to pay off the cost of the instrument, each pet scan needs to buy a cyclotron produced dose of flurodeoxyglucose.  It has a short half life, and it must be paid as well as the scanner.  These will always have high cost of production so medical tourism may not work as well as for a procedure or a simple diagnostic study.

Question 5

what can a fdg18-pet ct fusion scan see / diagnose ? and what can it miss? just curious.my memory has been getting worse but my pet ct scan was normal

Accepted Answer

Metabolism: Pet ct scan of brain looking for increased or decreased up take of f18 fdg, metabolism of glucose. Glucose metabolism is high in areas of tumor and infection. Can be decreased in necrosis, sometimes seizure focus, infarction. If positive may correlate with mr scan  of brain.The pet ct can miss very small ares of abnormality or processes that are not particularly metabolically active.

Question 6

how is pet ct scan done?

Accepted Answer

PET/CT scan: You need to fast for 4 hours first, then you will recieve an injection of a small amount of radioactive glucose (i.e. Sugar). Next you will sit in a recliner chair for about 70 minutes to allow the glucose to distribute throughout you.  Then you will lie on your back on the pet/ct scanner (a tunnel shaped machine) for 20 minutes. There are no side effects from the test or restrictions afterwards.

Question 7

what is a pet ct scan used for?

Accepted Answer

CT's define: Anatomy; pet's assess energy consumption (metabolism). Put them together and you see what is bigger than it supposed to be, what's in the neighborhood, and what consumes energy...And the price and cost are quite high.

Question 8

is there any pain involved in a pet ct scan?

Accepted Answer

Not really: Pet-ct involves IV injection of a radiotracer, so there is a needle stick.  Then, you have to lay in the scanner without moving for a while, which can be uncomfortable but shouldn't be painful.

Question 9

what is the difference between normal ct and pet ct scan?

Accepted Answer

PET/CT  vs.  CT: Pet/ct scan has 2 sets of images (pet ; ct images) which are fused for interpretation.  The ct part provides anatomic info while the pet part provides functional info (glucose distribution/metabolic activity).  Sometimes the ct part of pet/ct is done as low dose ct without IV or oral contrast.  These images are suboptimal compared to a separate dedicated ct with hi dose ; IV and oral contrast.

Question 10

is it okay to ejaculate a couple of hours before pet ct scan?

Accepted Answer

: If this relaxes you than no problem. Be sure to follow the other pre scan instructions.

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Doctor answers about:

Pet ct scan side effects

A member asked:

Have a pet/ct scan tomorrow at 1 pm, its 6:45pm now. i had fried chicken but i peeled the skin off. i had no sides. will this effect the scan?

A member asked:

Does a pet ct scan replace a colonoscopy?

A member asked:

What are hypometabolic tumors mean on pet/ct scan?

A member asked:

How much does it cost me to get a pet ct scan in india?

A member asked:

What can a fdg18-pet ct fusion scan see / diagnose ? and what can it miss? just curious.my memory has been getting worse but my pet ct scan was normal

A member asked:

How is pet ct scan done?

A member asked:

What is a pet ct scan used for?

A member asked:

Is there any pain involved in a pet ct scan?

A member asked:

What is the difference between normal ct and pet ct scan?

A member asked:

Is it okay to ejaculate a couple of hours before pet ct scan?

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