Common "Pet Scan" queries answered by top doctors | iCliniq

Pet Scan

Positron emission tomography (PET) scan is an imaging technique used to diagnose the disease in the body. It uses radioactive tracers to visualize the internal organs of the body. It measures the blood flow and oxygen flow in the body. It is used commonly to detect cancer, heart disease, and brain disorders.

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All the answers published in this website are written by verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

I have attached my PET scan reports. Please review.

Query: Hi doctor, I would like to get an opinion about my PET scan. I have attached my PET scan report for your reference.  Read Full »


Dr. Vivek Chail

Answer: Hi, Welcome to icliniq.com. A PET scan (positron emission tomography) is a scan in which a radioisotope substance is injected and in most cases tagged glucose is given to the patient. This glucose gets concentrated in areas where there is increased consumption and therefore it is seen as increase...  Read Full »

When can a person have cyclical Cushing's syndrome?

Query: Hi doctor, I am 21 years now. I weigh 132 lbs and was diagnosed with cyclical Cushing's syndrome at the age of 20. I had an MRI scan for a pituitary tumor in my brain. But, the clinical findings did not match up. I went to a top end endocrinologist who is a professor in endocrinology. I have beard ...  Read Full »


Dr. Srivastava, Sumit

Answer: Hi, Welcome to icliniq.com. No, there is no other pituitary in the brain and sometimes urinary test fails to detect hormones. In cyclical Cushing's, the cortisol levels fluctuate over time, making the diagnosis even more difficult. The source of ectopic hormone production should be searched for,...  Read Full »

I have pleural effusion with a mass in my lung. Please help.

Query: Hi doctor, I have recently visited emergency room (ER) due to a shortness of breath (sob). Then, I was diagnosed with a pleural effusion of the left lung. Blood work and urinalysis completed during the visit showed normal values. I had a chest X-ray and computed tomography (CT) scan, which confirmed...  Read Full »


Dr. Divakara. P

Answer: Hi, Welcome to icliniq.com. In case of pleural effusion with mass in the lung, any doctor should do the suspect tumor in the lung. Other conditions can cause pleural effusion like infection, inflammation, etc.; these conditions would have shown in the pleural fluid analysis. The option you have is ...  Read Full »

Why false PET scan for nasopharyngeal cancer?

Query: Hello doctor, I am a community pharmacist. I offered a flu shot to a newly diagnosed nasopharyngeal cancer patient. The patient then went in for a PET scan three days later. I did not know that the immune response can produce false positive results. Please answer the following questions: Did the fl...  Read Full »


Dr. Andrew Chellakumar Fenn

Answer: Hello,Welcome to icliniq.com. Yes, it is quite possible that a flu shot could lead to inflammation of the nodes in the draining area of the shot. This could be detected on a PET-CT (positron emission tomography-computed tomography). In general, the SUVmax (standardized uptake value) of inflammation ...  Read Full »

My father had undergone sugery for malignant adenocarcinoma. Does he need a PET scan?

Query: Hello doctor, My father had undergone a surgery after getting diagnosed with malignant adenocarcinoma. He is diabetic and is feeling very weak after the surgery. Also, mucus is leaking from one of his holes. Does he need a PET scan? Please help.  Read Full »


Dr. Sameeksha Dubey

Answer: Hi, Welcome to icliniq.com. I can understand your concern. Weakness after a surgical procedure is expected and recovery should take place over two to four weeks time. Just need to continue providing him enough nutrition and motivation. The drains that you have described are normally put in after...  Read Full »

I am concerned about needle safety during blood testing. Kindly explain.

Query: Hi doctor,I visited a nearby lab with good standards to get my blood test done for my PET CT (positron emission tomography) scan scheduled for the next day. I usually get all my blood testing done from the same lab for seven months while I was undergoing chemotherapy. I had visited the lab and there...  Read Full »


Dr. Rakesh Kumar Bahunuthula

Answer: Hi,Glad to hear from you.I am here to answer all your questions.However, you can relax and stop worrying. All standard laboratories as a norm use single time use needles for all punctures. This means that once used, the needle is locked automatically and you cannot reuse it. Ideally, I would expect ...  Read Full »

My partner has been experiencing liver inflammation and has been advised to take a PET scan. What should I do?

Query: Hello doctor, My wife's liver had symptoms of inflammation from a PET (positron emission tomography) scan that was done four months ago this year and a PET scan taken last month. Could you first recommend some non-invasive testing to see if the liver inflammation is still present? Second, what can b...  Read Full »


Dr. Ankur Jindal

Answer: Hello, Welcome to icliniq.com. Do not be alarmed; fatty liver disease may have a number of reasons, including obesity, the metabolic syndrome, or drugs. Obtain a fibroscan and a SGPT (serum glutamic pyruvic transaminase) to learn your level of non-invasive liver fibrosis. Take 400 mg of capsule Evio...  Read Full »

I broke up with my girlfriend on bad terms. How to move on in life?

Query: Hi doctor, I am an adult male and a cancer survivor. I had cancer six years back and underwent three surgeries on my neck and two on my shoulders. I undergo laboratory tests every three years and underwent a PET scan last year. I have been in a relationship with a girl, and we both agreed to be in i...  Read Full »


Dr. Vishal Anilkumar Gandhi

Answer: Hi, Welcome to icliniq.com. I can understand your situation. There is no reason for breaking up and no space for why or how. Though you think she loves you, you cannot force her to love you. So I suggest you move on in your life and stop stalking her on social media and delete her contacts. I sugges...  Read Full »

What does the PET scan report of my father depict?

Query: Hi doctor, My father has been unable to walk for the last year due to some nerve issues from hip to bottom. He does not have the strength to walk. He will stand with the support of a walker. Also, he cannot talk fluently and faces issues while eating. Based on a neurologist's suggestion, we have tak...  Read Full »


Dr. Mubashir Razzaq Khan

Answer: Hi, Welcome to icliniq.com. I went through your query and understood your concern. I went through the PET (positron emission tomography) scan reports. No cancer-like conditions are indicated (attachment removed to protect the patient's identity). There might be neuromuscular weakness central to t...  Read Full »

Can radiations from PET and CT scan affect other family members?

Query: Hello doctor, Over two years ago my eldest son was diagnosed with lymphoma. He had PET scans and CT scans. These started at the end of my last pregnancy and went on while my son was a newborn and infant. I do not remember him holding the baby, but he came home from scans and was around him. They...  Read Full »


Dr. Vivek Chail

Answer: Hi, Welcome to icliniq.com. I have read through your query in detail. Please find my observations below. Your baby is totally safe. There is radiation risk only when doing PET and CT scans. The risk is only to the patient, which means your eldest son in your case. Your newborn was never expo...  Read Full »

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