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PET scan
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 it hard to see.
Dr. Joseph Accurso reviewed this
31 year experience in Radiology
Related questions
A 41-year old asked:
Are petting zoos dangerous to kids?
2 doctor answers • 5 doctors weighed in
A 64-year old male asked:
Children at San Diego county fair fell ill with E.coli after petting animals there. How dangerous are petting zoos? How to tell if a petting zoo is safe?
2 doctor answers • 5 doctors weighed in
A 31-year old asked:
Masturbation have any relation to petting ?
1 doctor answer • 3 doctors weighed in
A 24-year old male asked:
How quick would you show if your allergic to a cat after petting it
1 doctor answer • 1 doctor weighed in
A 20-year old female asked:
Can I get rabies from petting a stray cat???
1 doctor answer • 2 doctors weighed in
A 49-year old asked:
Can you get pregnant from heavy petting no penetration?
1 doctor answer • 2 doctors weighed in
A 31-year old asked:
Why would a nursing home have petting zoo animals brought into nursing home?
1 doctor answer • 4 doctors weighed in
A 23-year old female asked:
Can you get pregnant from heavy petting and any other activity besides sex of any kind?
2 doctor answers • 2 doctors weighed in
A 33-year old male asked:
My cat killed mouse in garage could I get hantavirus from petting cat or mouse in the garage?
2 doctor answers • 6 doctors weighed in
A 36-year old asked:
I am allergic to cats after petting it i applied carmax to my lips. Maybe thats why, what to do?
1 doctor answer • 4 doctors weighed in
A female asked:
I had heavy petting a week ago, there was no penetration and one of us had their underwear on. Could I get pregnant?
1 doctor answer • 1 doctor weighed in
A 31-year old female asked:
We have stray kittens outside found them eating a squirrel if the squirrel had rabies can the kittens pass it to us by petting them?
1 doctor answer • 6 doctors weighed in
A 43-year old male asked about a 42-year old female:
During sexual petting before any penetration my wife excreted what looked like semen. White and viscous. Is that something to be concerned about.
1 doctor answer • 1 doctor weighed in
A 26-year old female asked:
If I had a tiny break in the skin, like dryness of some sort , and then pet my cat on the chin and felt his tooth as I was petting him, will I be ok! The cat tooth touched my tiny skin break but cat did not bite me?
1 doctor answer • 1 doctor weighed in
A 20-year old female asked:
When is it safe to have petting and sex (with condom) after a medical abortion?
1 doctor answer • 1 doctor weighed in
A 25-year old male asked:
Can i get my anything from petting a strayed cat she rubbed her teeth on me not cut no scratch or anything?
1 doctor answer • 1 doctor weighed in
A 18-year old female asked:
I did "petting" with my boyfriend I was on him naked and he had his boxer on but a bit wet of prejaculatory liquid he didn orgasm can I be preganant?
2 doctor answers • 4 doctors weighed in
A 20-year old female asked:
Nipped by baby tiger during cub petting. Should we be worried about rabies? Barely broke skin, no bleeding but wound about 2 mm exists.
1 doctor answer • 3 doctors weighed in
A 40-year old male asked:
My son 2.5 y old bumped and lacerated his toe while playing at the petting zoo. Im worried that faecal matter may have entered the wound?
1 doctor answer • 5 doctors weighed in
A 35-year old asked:
Docs, wanted to know if I can get worms by petting my dog and then rubbing my eyes?
1 doctor answer • 2 doctors weighed in
A 42-year old asked:
What if you had heavy petting with a person with the hep a virus will you get the infection?
1 doctor answer • 3 doctors weighed in
A 34-year old male asked:
A stray dog bited my dog while petting him I touched eyes can rabies transmit through this way if there is no cut in around eyes?
1 doctor answer • 2 doctors weighed in
A 22-year old male asked:
I and my gf get petting a week ago with underwear on it (each of us). Is there is a possibility that my gf become pregnant since now my gf get stomach ill?
2 doctor answers • 4 doctors weighed in
A 22-year old female asked:
My period is late for 4 days now, and 5 days ago i did my first heavy petting. Last month my period is also late. Is there any chance of pregnancy?
1 doctor answer • 1 doctor weighed in
A 28-year old female asked:
Scratched neck after petting dog and got a hive. I was touching and poking it so much there is now a large area red, swollen and sore. What do I do?
2 doctor answers • 2 doctors weighed in
A 20-year old male asked:
A stray cat i am feeding scratched me while i was petting her. The scratch was between my fourth and middle finger and very mild but it burned and there was surface blood. So i watched it with water and soap is this enough? The cat seems fine?
1 doctor answer • 1 doctor weighed in
A 21-year old male asked:
I was petting a wild cat, and then shortly after I itched the back of my neck which has a wound with no blood. Is there a risk of rabies? Within 15 minutes I washed my hands and neck. the cat shows no sign of rabies, it seems to be in good health?
1 doctor answer • 1 doctor weighed in
A 20-year old male asked:
Yesterday a stray cat i am feeding scratched me while i was petting her.the scratch was between my fourth and middle finger and very mild but it burned and there was surface blood.So i watched it with water and soap is this enough?The cat seems fine?
1 doctor answer • 1 doctor weighed in
A 18-year old male asked:
Petting (no entering) .I ejaculated in my pants. 1-1.5h after we did it again and maybe there was sperm on the penis.The girl was a virgin.Pregnant?
1 doctor answer • 1 doctor weighed in
A 22-year old female asked:
I had ta sonogram last week. Doctor didn't see gest. Sac or anything.Had heavy petting 2 months ago and still suspect to be pregnant.Is it possible?
1 doctor answer • 1 doctor weighed in
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