Radiology Q&A - Page 12

Questions about radiation dose and distance? I have read articles on E-net regarding similar issues, but the answers did not alleviate my concerns, so I am asking again to see if there are clearer answers. I have seen articles elsewhere mentioning that radiation dose is related t...

Questions related to uterine artery embolization? Dear Dr. Wang, I underwent a uterine surgery earlier this year, but experienced severe postoperative hemorrhaging. The hospital urgently performed a 4-hour uterine artery embolization procedure to control the bleeding. I have a f...

I have health anxiety, so I had many X-rays taken this year, raising concerns about radiation exposure? I have health anxiety, so I often worry that I have something harmful in my body. Due to concerns about radiation causing cancer, I would like a doctor to evaluate whether my e...

Questions regarding radiation? In June of this year, I had an accident and since then I have undergone a total body CT scan once, a head CT scan twice (one with fine cuts), seven X-rays of the head (from different angles), and ten X-rays of the shoulder (from different angles). D...

Please ask Dr. Wang another question? Hello Dr. Wang, I would like to ask which parts are examined for scoliosis? I have had three X-rays taken, one in a supine position and one in a lateral position each time. How much radiation have I been exposed to approximately? Thank you, D...

Issues Related to Radiation Exposure from X-rays Hello Doctor, I would like to ask if the cumulative radiation from the five X-rays I had in the past two years—two lumbar X-rays in March and April of last year, a chest X-ray in January this year due to a work-related strain, anot...

Radiation issues Hello Dr. Wang: This year, I went to a clinic for X-rays due to lower back pain, and they told me I have scoliosis. I then went to Asia University Hospital and had two more X-rays to check for scoliosis, totaling three spinal X-rays (two images taken at different...

Low-dose computed tomography (chest) Hello Dr. Wang! I went to the hospital for a premarital health check on October 17, and yesterday (November 6), after receiving the examination results, I found out that the chest X-ray was diagnosed with a suspected lung nodule. I am concerne...

Can a contrast agent be administered for a CT scan in patients with low blood pressure? Due to the side effects of Parkinson's medication, I cannot stop taking it. My average blood pressure is 90/60. Is it safe to use contrast agents for a CT scan? Could there be serious con...

The issue of radiation exposure? Hello, I have a couple of questions. 1. I recently visited a dental clinic where they required a full-mouth X-ray without wearing a lead apron or neck protection. The clinic stated that their machine would not produce images if lead protection w...

Pediatric Computed Tomography (CT) Scan Hello, doctor. My baby is five months old and fell from the bed. The doctor performed a full-body CT scan, and the brain received about 2 millisieverts, while the body received about 9 millisieverts. Will this increase the risk of developin...

Mammography Hello, Doctor. I had an ultrasound examination that revealed a lump in my breast, and the physician recommended a mammogram. I was too nervous during the procedure, and my chin obstructed the view when imaging my left breast, so it had to be redone. Consequently, I ha...

Positron Emission Tomography (PET) for the detection of bone metastases in cancer? Hello Dr. Wang: Can positron emission tomography (PET) be used to examine bone metastasis in breast cancer? Is its sensitivity high? I have come across some articles online stating that PET is not ...

Radiation Issues Hello: In January of this year, I had a CT scan of my head due to stones found during a tonsil examination. In April, I had a dental X-ray of my front teeth (not a full mouth series). Should I be concerned about the radiation exposure from these procedures? I had...

Concerns about radiation exposure from X-rays in infants? Hello Dr. Wang: My baby is 4 and a half months old and needs to have a bone age assessment due to some tests. During the procedure, my baby had difficulty controlling their hand, so we ended up taking 6 consecutive X-rays ...

Radiation dose for localization of lung tumors? Before performing a wedge resection for a lung tumor, a dye localization procedure is conducted to pinpoint the tumor's location for minimally invasive surgery. It seems that multiple CT scans were performed during the localiza...

Laboratory C14 I apologize for the inconvenience. I would like to ask about an experiment I conducted involving carbon-14 labeling. I diluted C-14 and added it to seawater. During the experiment, some of the C-14-labeled seawater splashed onto my hand. Although I washed it off af...

Is there a difference between orthopedic and thoracic X-rays? Hello, my son is currently 12 years old. One side of his sternum is flat while the other side is elevated, and the elevated side's nipple is also larger. We visited an orthopedic doctor and had an X-ray taken, but...

Nodule imaging follow-up comparison Hello Dr. Wang, Thank you for your previous response. I apologize for bothering you with one last question. Regarding the nodule I consulted you about earlier, I would like to confirm whether this nodule was already present in the previous im...

Pulmonary computed tomography (CT) - Issues related to the location of nodules in coronal and axial views? Hello Dr. Wang: During a health check-up, two nodules were detected in the left lung. I have two questions to ask: 1. The following image shows one of the nodules in the c...