Radiology Q&A - Page 7

Verification of reports regarding the harmful effects of X-rays on the body? I came across an online report stating, "Regular X-rays for early cancer detection? Doctors refute: It actually increases cancer risk." The article seems to discourage X-ray diagnostics and des...

Side effects of contrast agents? Hello, I would like to inquire on behalf of my father. He had a CT scan at the hospital about three weeks ago, and now the blood vessel at the injection site (arm) feels hard and painful to the touch. It has been three weeks and there has been no ...

MRI Report Issues (Continued) Dr. Wang, thank you for your response. I have a few more questions I would like to ask you: 1. You mentioned that the report indicates bilateral non-specific lymph nodes in my neck. Why didn't my attending physician mention this, and why does t...

MRI Report Issues Hello Doctor, I have been experiencing a sensation of a foreign body and sharp pain in my oral and pharyngeal walls, as well as a similar sensation and pain in the mucosa next to the left base of my tongue. Additionally, I have had inflammatory symptoms with int...

Chest X-ray taken without wearing protective clothing? As a college freshman, I went to the hospital for a general health check-up, which included a chest X-ray. I asked the technician twice if I needed to wear a lead apron, and both times they said it wasn't necessary. Shou...

Computed Tomography for Newborns The baby is one week old and suspected to have a spinal defect. An ultrasound was performed, but the doctor indicated that the images were unclear and recommended an MRI. However, after the baby was given sedatives, they still woke up, and the doc...

Magnetic Resonance Imaging - Follow-up Questions Thank you, doctor, for answering my questions. I would like to ask if an MRI of the head and neck can show the size of lymph nodes. Since I have a health check-up coming up, I thought that MRI, which does not involve radiation, mig...

Magnetic Resonance Imaging (MRI) Issues Hello Doctor, recently I had some swollen lymph nodes and underwent a PET scan. The nuclear medicine physician mentioned that there are faint uptakes in my nose and neck, but he believes they are likely benign. I understand that both inflam...

CT Scan Report Radiation The CT report you received includes several measurements related to radiation exposure during your abdominal CT scan with contrast. The values provided are as follows: - CTDIvol (Computed Tomography Dose Index volume): 14.00 mGy (Body) - DLP (Dose Length...

Computed Tomography Radiation I apologize for the concern regarding your mother's recent abdominal CT scan, which included imaging of the chest and the use of contrast agents. Given her family history of breast cancer with two sisters affected, you are understandably worried...

Radiation metabolism Dear Chief Physician, I would like to inquire about the cumulative effects on the body from the following imaging procedures: last year, I underwent a mammogram, a unilateral magnification mammogram, and a low-dose chest CT; this year, I had two unilateral m...

Whether the annual examinations and radiation exposure exceed the standard limits? Hello Dr. Wang, I had a sarcoma last year and underwent radiation therapy. For follow-up, I had MRI with contrast; subsequently, I had two PET scans and lung CTs. At the beginning of this year, I h...

What is the maximum annual radiation dose limit? Hello, doctor. I have one more question to ask; I have seen many Q&As in this section, and doctors often mention, "According to the International Commission on Radiological Protection (ICRP) Report 103, a dose below 100 mi...

Magnetic Resonance Imaging (MRI) Contrast Agent Hello, doctor. I have uterine fibroids, and my physician has assessed that I need to undergo an MRI of the pelvis with contrast prior to surgery. Although my attending physician mentioned that it is a very safe procedure and I have ...

I would like to understand whether the radiation exposure from X-ray imaging affects the body? I recently visited several doctors and underwent X-ray examinations due to lower back pain. Later, I discovered through the National Health Insurance app that I had several X-ray exams ...

Mandibular artificial bone + titanium alloy bone screws MRI Dear Doctor, I underwent chin augmentation surgery using artificial bone and titanium alloy screws for fixation. Will this have any impact if I need to undergo a brain MRI? Thank you, Doctor.

MRI of the liver shows nodules? Hello, doctor. My mother is 60 years old. She was diagnosed with stage 1A gastric cancer in August 2018 and underwent surgical treatment. Since then, she has been undergoing annual check-ups. In July 2020, an abdominal CT scan revealed a small nodu...

Abdominal X-ray was performed without providing protective measures? Hello, doctor. Recently, I went to the hospital for treatment due to abdominal pain. During the X-ray procedure, the hospital did not provide any protective equipment (such as lead aprons). Is this a normal situ...

Upper abdominal contrast-enhanced computed tomography (CT) scan with dental X-ray? Hello, I am 19 years old and female. I would like to ask if the dental X-rays I had done last year in November (two times) and the abdominal CT scan with contrast in early April of this year, follo...

I would like to inquire about the radiation concerns related to computed tomography (CT) scans and positron emission tomography (PET) scans. Thank you? Hello, Director. I would like to ask you about my mother. She underwent a chest CT scan with contrast on April 5th of this year,...