Understanding the Impact of X-rays on Children's Health: A Parent's Concern
Radiation Issues Hello Doctor, I would like to ask about my daughter, who is in the first grade. During the school health check-up, it was found that she has scoliosis. The school advised us to take her to a medical facility for further examination. We took her to an orthopedic...
Dr. Sun Shengyi Reply:
Hello Mr. Huang: Generally, the radiation dose from standard spinal X-rays (which typically consists of two images) does not exceed 1 millisievert (mSv). When the frequency of these X-rays is low (a few times within a year), this dose is not likely to cause any significant harm. ...[Read More] Understanding the Impact of X-rays on Children's Health: A Parent's Concern
Understanding Radiation Risks: X-rays and Bone Growth Concerns
Radiation issues Doctor, I apologize, but may I ask you one last question? I would like to schedule an appointment with you, but I cannot find your available consultation times. So, you mean that excessive X-ray radiation could potentially cause bone damage, but it will not reope...
Dr. Sun Shengyi Reply:
Under normal circumstances (unless for radiation therapy of known diseases), exposure to high doses of X-ray radiation that could cause skeletal damage is unlikely, and it will not affect closed growth plates. Therefore, there is no need for concern regarding this issue.[Read More] Understanding Radiation Risks: X-rays and Bone Growth Concerns
Understanding the Risks of Excessive X-Ray Radiation on Bone Health
Radiation issues? Hello Doctor, this is Hehe, the one who asked a question last time. Thank you for your response; I am no longer worried. However, I would like to follow up with a question. You mentioned that excessive X-ray radiation could potentially lead to changes in the bon...
Dr. Sun Shengyi Reply:
The most concerning harm caused by long-term high-dose radiation is indeed the induction of cancer. Different exposure durations and frequency intervals of radiation can affect various potential changes.[Read More] Understanding the Risks of Excessive X-Ray Radiation on Bone Health
Concerns About CT Scans in Young Children: Risks and Safety Explained
A one-year and two-month-old baby underwent a computed tomography (CT) scan? Dear Doctor, my baby is one year and two months old and fell from the bed. He did not lose consciousness. However, after a CT scan of the head, I learned that it is a radiation examination, which makes m...
Dr. Sun Shengyi Reply:
It is acceptable for a baby who has hit their head and is experiencing altered consciousness to undergo a head CT scan. The radiation dose from a head CT scan for infants is typically less than half that of adults, estimated to be around 1.0 millisievert (mSv), which is lower tha...[Read More] Concerns About CT Scans in Young Children: Risks and Safety Explained
Concerns About Radiation Exposure from X-rays and CT Scans
Radiation issues Hello, Doctor. I would like to express my apologies to the staff at Taiwan e-Hospital. I am very sorry for asking a similar question before, but due to my tendencies towards depression and anxiety, I still feel uneasy. If I still feel worried after this inquiry, ...
Dr. Sun Shengyi Reply:
Significant exposure to X-ray radiation can potentially cause changes in the bones, but it will not lead to further development of fully matured bones. Receiving over twenty X-ray exposures will not result in continued bone development, so there is no need for further concern reg...[Read More] Concerns About Radiation Exposure from X-rays and CT Scans
Is Frequent Chest X-Ray Safe? Understanding Risks and Concerns
X-ray and CT issues? Hello, Doctor: This year, I have frequently experienced chest pain, which has led me to visit the hospital often. I have undergone approximately 10 chest X-rays within a year, but each time the results have shown nothing significant. A month ago, I also had a...
Dr. Sun Shengyi Reply:
A standard chest X-ray is a low-radiation examination that is widely accepted and effective for diagnosing pulmonary conditions, with a radiation dose of approximately 0.02 millisieverts (mSv). In contrast, the radiation dose from a computed tomography (CT) scan is significantly ...[Read More] Is Frequent Chest X-Ray Safe? Understanding Risks and Concerns
Multiple Chest X-Rays: Weighing Risks and Benefits for Asthma Patients
Repeated X-ray imaging of the same area? The doctor would like to consult you regarding their personal history of asthma since childhood, which has led to multiple chest X-rays each year. In early October of this year, they experienced a prolonged cough and underwent two addition...
Dr. Sun Shengyi Reply:
The radiation dose from a standard chest X-ray is approximately 0.02 millisieverts (mSv), which is a very low dose and is widely accepted as the first-line imaging test for evaluating the lungs. Having several chest X-rays annually due to routine check-ups or medical needs does n...[Read More] Multiple Chest X-Rays: Weighing Risks and Benefits for Asthma Patients
Understanding Radiation Exposure from Multiple X-rays: Risks and Concerns
Radiation issues I have a question that has been bothering me for a long time. A year ago, I had an accident and underwent over 20 X-rays of my spine and knee within a month. At that time, I didn't consider the radiation exposure, and since I visited two different hospitals,...
Dr. Sun Shengyi Reply:
Ms. Yue: The radiation dose from a standard lumbar spine X-ray is indeed higher than that from other body parts, with the frontal and lateral views approximately 1.0-1.5 mSv (millisieverts); whereas the limbs are less than 0.1 mSv. Based on your condition, the total dose should n...[Read More] Understanding Radiation Exposure from Multiple X-rays: Risks and Concerns
Does Taking Accutane Affect Your Body During a CT Scan?
Computed Tomography (CT) Scan Will undergoing a CT scan affect my body since I have recently taken isotretinoin (Accutane)?
Dr. Sun Shengyi Reply:
Hello, Wen: The ultraviolet radiation associated with retinoic acid is different from the X-ray radiation from a CT scan, so undergoing a CT scan will not have any additional effects on the body due to the use of retinoic acid.[Read More] Does Taking Accutane Affect Your Body During a CT Scan?
Understanding the Risks of Multiple Chest X-Rays: What You Should Know
X-ray radiation dose Hello Doctor: This year, I have undergone approximately seven chest X-rays due to chest pain. Could you please let me know what effects or negative consequences this might have? I'm concerned that this could lead to any changes or complications. Thank yo...
Dr. Sun Shengyi Reply:
Hello Ted: The radiation dose from a standard chest X-ray is very low (approximately 0.02 millisieverts), which is why it is widely used as a basic health screening tool. Seven chest X-rays amount to about 0.14 millisieverts, and the potential harm to the body is negligible, so t...[Read More] Understanding the Risks of Multiple Chest X-Rays: What You Should Know
Understanding Radiation Risks: Pregnancy, MRI, and Leukemia Concerns
Radiation issues in examinations? Hello Dr. Sun, my sister-in-law had leukemia when she was young, and I am concerned about the potential hereditary risk. I am worried that radiation may increase the likelihood of my child developing leukemia. I have the following questions for y...
Dr. Sun Shengyi Reply:
Hello: 1. Magnetic resonance imaging (MRI) is safe for both pregnant women and fetuses, and it does not increase the risk of leukemia in the unborn child. 2. The radiation dose from low-dose computed tomography (CT) scans of the lungs is not sufficient to harm the ova; it is advi...[Read More] Understanding Radiation Risks: Pregnancy, MRI, and Leukemia Concerns
Can X-rays Reveal Uneven Surfaces on Teeth?
Dental X-ray Hello Doctor: If the surface of the tooth has been ground down and is uneven, but there is no filling, can an X-ray show the uneven areas of the tooth? Thank you!
Dr. Wang Yifen Reply:
X-ray imaging can reveal the external structure of teeth. However, all imaging tools have their limitations, so please discuss the results with your treating physician.[Read More] Can X-rays Reveal Uneven Surfaces on Teeth?
Understanding X-Ray Procedures for Children: Safety and Radiation Concerns
X-ray Issues in Children Hello Doctor, I would like to ask: Isn't it standard procedure for a chest X-ray to have the patient face the plate tightly, with the X-ray machine shooting from the back? However, on August 9th, when I accompanied my 6-year-old daughter into the X...
Dr. Wang Yifen Reply:
X-ray images can reveal the structural appearance of teeth. However, any imaging tool has its limitations, so please discuss the results with your treating physician.[Read More] Understanding X-Ray Procedures for Children: Safety and Radiation Concerns
Understanding Eye CT Scans: Radiation Risks and Breastfeeding Concerns
Optical Coherence Tomography (OCT) Hello, a few days ago I developed cellulitis as a complication of a stye, and I experienced pain with eye movement. The doctor in the emergency room was concerned about potential effects on the retina, so they arranged for a non-contrast orbital...
Dr. Wang Yifen Reply:
The radiation dose from a head CT scan is approximately 2 millisieverts, and there is a greater than 99% chance that it will not increase the risk of additional cancers in the brain or other parts of the body. This examination will not affect breastfeeding; however, since you hav...[Read More] Understanding Eye CT Scans: Radiation Risks and Breastfeeding Concerns
Is Frequent X-Ray Exposure Harmful? Understanding Risks After 6 X-Rays
Six X-rays were taken in half an hour? Hello doctor, I recently sprained my ankle and have some pain in my jaw. After seeing a doctor, I was advised to get X-rays. Within half an hour, I had a total of 6 X-rays taken (4 of my head and 2 of my foot) without wearing any protective ...
Dr. Wang Yifen Reply:
The radiation dose from a head X-ray is approximately 0.1 millisieverts, while a limb X-ray is about 0.001 millisieverts. In Taiwan, the average annual natural background radiation dose per person is around 1.62 millisieverts. You have received 4 head X-rays and 2 foot X-rays, re...[Read More] Is Frequent X-Ray Exposure Harmful? Understanding Risks After 6 X-Rays
Understanding Radiation Exposure from Multiple CT Scans and MRI
Health check-up includes 640-slice cardiac CT, pulmonary CT, and MRI? Hello, my parents are planning to undergo health check-ups and have scheduled a 640-slice CT scan of the lungs, a 640-slice CT scan of the heart, and a whole-body MRI. Although I have done some research online ...
Dr. Wang Yifen Reply:
The radiation dose for a computed tomography (CT) scan of the lungs is approximately 2 millisieverts, while a coronary computed tomography angiography (coronary CTA) is about 16 millisieverts. The combined risk of these two examinations resulting in additional cancer is over 99%....[Read More] Understanding Radiation Exposure from Multiple CT Scans and MRI
Can You Undergo MRI After Venous Sinus Embolization with Metal Dental Braces?
Magnetic Resonance Imaging (MRI) I would like to ask the doctor if I can undergo an MRI scan for follow-up after having undergone embolization of the cervical cavernous sinus fistula this year, considering that I have fixed metal braces and the consent form for the vascular embol...
Dr. Wang Yifen Reply:
MRI poses no radiation risk and provides high resolution of brain tissue, making it suitable as an imaging diagnostic tool for the repeated monitoring of brain lesions. Common fixed braces and platinum embolization coils can undergo MRI examinations, but they may cause image arti...[Read More] Can You Undergo MRI After Venous Sinus Embolization with Metal Dental Braces?
Understanding the Risks of X-rays for Young Children: A Parent's Guide
The risks of X-ray exposure in young children? Hello Doctor: I would like to ask about my child who had an X-ray taken at 6 months old to check the spine (including both chest and abdomen), and another X-ray at 2 years old to check for pneumonia (which also included the abdomen i...
Dr. Wang Yifen Reply:
The risk of radiation-induced cancer is related to radiation dose, age, gender (with females being more sensitive than males), and the organ being irradiated. Generally, the radiation dose from a chest X-ray is quite low; according to the American College of Radiology, the radiat...[Read More] Understanding the Risks of X-rays for Young Children: A Parent's Guide
CT Scans During Early Pregnancy: Risks and Considerations
Abdominal CT scan during pregnancy? Dear Dr. Sun, I recently underwent a health check-up and, unbeknownst to me that I might be pregnant (six days after intercourse), the physician performed an abdominal ultrasound and suspected a renal tumor. They recommended a contrast-enhance...
Dr. Sun Shengyi Reply:
Abdominal ultrasound revealed a suspected renal tumor, and the next step in diagnosis is a contrast-enhanced abdominal computed tomography (CT) scan, which is the first choice for further evaluation. The urinary system examination should include both the abdomen and the pelvic ca...[Read More] CT Scans During Early Pregnancy: Risks and Considerations
Is Frequent Chest X-Ray Exposure Harmful? Understanding Risks and Concerns
Underwent six chest X-rays within six months? Hello doctor, I have had six chest X-rays in the past six months due to illness. I am concerned about any potential adverse effects. Thank you.
Dr. Yang Jinghua Reply:
Dear Cheng: Hello, the radiation dose from a standard chest X-ray is very low, approximately 0.02 millisieverts. The Atomic Energy Commission recommends that the annual radiation dose for the general public should not exceed one millisievert, which is equivalent to the dose fro...[Read More] Is Frequent Chest X-Ray Exposure Harmful? Understanding Risks and Concerns
Radiology FAQ
| Contrast Agent | Ct Scan |
| Ct Scan Radiation | Magnetic Resonance Imaging |
| Mri | Mri Report |
| Radiation | Radiological Examination |
| X-Ray | X-Ray Examination |
| X-Ray Radiation |