X-ray examination, Radiology FAQ - Page 2

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Is X-Ray Radiation Safe for a 2-Year-Old Child with Scoliosis?

What are the concerns regarding X-ray exposure in two-year-old children? Because the child is suspected of having scoliosis, they underwent an X-ray examination at the hospital. Currently, I checked the National Health Insurance Quick Access System, and the medical order code is:...


Dr. Wang Yifen Reply:
Hello, children's body sizes are smaller than adults, and the radiation dose they receive is lower than the average adult's radiation dose. A single X-ray examination for scoliosis does not pose significant harm to the body; however, due to children's sensitivity t...

[Read More] Is X-Ray Radiation Safe for a 2-Year-Old Child with Scoliosis?


Managing Pregnancy After Low-Dose Lung CT: Health and Fertility Tips

Low-Dose Computed Tomography of the Lungs and Pregnancy A young woman underwent a low-dose computed tomography (CT) scan of the lungs before marriage and discovered a nodule. The doctor recommended low-dose follow-up scans every six months. How should she manage the issues relate...


Dr. Wang Yifen Reply:
Hello, if you are pregnant, please discuss the necessity of the X-ray examination with your physician before the procedure, evaluate whether there are alternative examinations available, and take appropriate precautions. Generally, the radiation dose from a low-dose chest CT scan...

[Read More] Managing Pregnancy After Low-Dose Lung CT: Health and Fertility Tips


Assessing Radiation Exposure Risks from Repeated Imaging Exams in Taiwan

Risk assessment for repeated imaging examinations this year? Hello Doctor: When I was young, I frequently underwent full spine X-ray examinations due to scoliosis, approximately 40 times between the ages of 1 and 20. Two years ago and four years ago, I had surgery for sinusitis, ...


Dr. Wang Yifen Reply:
According to information from the American Society of Radiologic Technologists, the radiation dose from a single head CT scan is approximately 2 millisieverts (mSv), while a single abdominal and pelvic CT scan has a radiation dose of about 14 mSv. A Gallium scan, which is a nucle...

[Read More] Assessing Radiation Exposure Risks from Repeated Imaging Exams in Taiwan


Understanding the Risks of X-Rays: Are They Really Dangerous?

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...


Dr. Wang Yifen Reply:
Hello, the purpose of radiation examinations is to provide medical imaging information, ensuring that the medical benefits to the patient far outweigh the risks associated with radiation exposure, in accordance with the principle of justification. Whether for health screenings or...

[Read More] Understanding the Risks of X-Rays: Are They Really Dangerous?


Is Your Annual X-Ray Radiation Exposure Safe? Understanding the Risks

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 ...


Dr. Wang Yifen Reply:
Hello, the X-ray examinations you have undergone involve low-dose radiation. A chest X-ray (frontal view) has a radiation dose of approximately 0.02 millisieverts, an ankle X-ray about 0.001 millisieverts, a pelvic X-ray around 0.6 millisieverts, a spinal X-ray about 1.5 millisie...

[Read More] Is Your Annual X-Ray Radiation Exposure Safe? Understanding the Risks


Is CT Scan Radiation Safe After Multiple X-Rays for Injury?

Computed Tomography Radiation Hello, I previously had a fracture in my foot and underwent several X-rays. Recently, I have been experiencing autonomic nervous system dysfunction, which has led me to consider getting a health check-up. Would the combination of this and a CT scan r...


Dr. Wang Yifen Reply:
Hello, these X-ray examinations involve safe levels of radiation exposure. According to the International Commission on Radiological Protection (ICRP) report 103, doses below 100 millisieverts (including single or multiple exposures) do not cause clinical functional impairment. F...

[Read More] Is CT Scan Radiation Safe After Multiple X-Rays for Injury?


Understanding Radiation Exposure: Is It Safe to Get Pregnant After X-rays?

Computed Tomography (CT) Scan Hello doctor, I apologize for bothering you. I am 26 years old and I had a chest X-ray in November of last year, one chest X-ray and one abdominal X-ray. In January, I had an abdominal CT scan, and in February, I had another abdominal X-ray. I would ...


Dr. Wang Yifen Reply:
Hello, the cumulative radiation dose from the X-ray examinations you mentioned is below 100 millisieverts. According to the International Commission on Radiological Protection (ICRP) report 103, doses below 100 millisieverts (whether received in a single instance or multiple inst...

[Read More] Understanding Radiation Exposure: Is It Safe to Get Pregnant After X-rays?


Understanding Radiation Exposure and Its Risks for Blood Cancer

Radiation-induced leukemia Hello doctor, when I was around 10 years old in elementary school, I had several dental X-rays due to root canal treatments. In high school, around 17 years old, I had a full-body X-ray. At 20, I had several chest X-rays (about 5) due to part-time work....


Dr. Wang Yifen Reply:
Hello, the X-ray examinations you mentioned involve low-dose radiation, with a total radiation dose not exceeding 100 millisieverts. According to the International Commission on Radiological Protection (ICRP) report 103, doses below 100 millisieverts (whether single or multiple e...

[Read More] Understanding Radiation Exposure and Its Risks for Blood Cancer


Understanding Radiation Exposure from Upper GI Series and Safety Measures

Upper gastrointestinal series (UGI series) I would like to ask the doctor: My mother had two spinal X-rays and two abdominal X-rays last month. This month, due to the examination, the doctor scheduled an upper gastrointestinal barium study. I would like to know if the radiation d...


Dr. Wang Yifen Reply:
According to information from the American College of Radiology, the radiation dose from an upper gastrointestinal barium X-ray examination is approximately 6 millisieverts, which is equivalent to about 2 years of natural background radiation. The International Commission on Radi...

[Read More] Understanding Radiation Exposure from Upper GI Series and Safety Measures


Understanding X-Ray Radiation Exposure: Risks of Repeated Imaging

Repeated exposure to X-ray radiation in the same area? Hello Dr. Wang, I went to a large hospital to see an orthopedic specialist due to pain in my lower back on the right side. I had X-rays taken of my thoracic spine (front or back?) and lumbar spine on the same day. I also had ...


Dr. Wang Yifen Reply:
Hello, according to the International Commission on Radiological Protection (ICRP) report 103, a dose below 100 millisieverts (including single or multiple exposures) does not cause clinical functional impairment. The radiation dose from the examination you mentioned is within a ...

[Read More] Understanding X-Ray Radiation Exposure: Risks of Repeated Imaging


Does Radiation Exposure Affect Egg Quality for IVF?

Does radiation exposure affect egg quality? I underwent abdominal, chest, and lumbar X-rays once each in August this year during a health check-up. From September to December, I had full mouth X-rays three times and single tooth X-rays four times at the dental clinic. Due to susp...


Dr. Wang Yifen Reply:
Hello, in most cases, the reasons affecting ovarian reserve are unclear, with aging being the primary factor related to reproductive age. Other factors that may influence ovarian reserve include smoking, lifestyle habits, medical history, previous ovarian surgeries, systemic chem...

[Read More] Does Radiation Exposure Affect Egg Quality for IVF?


Concerns About Multiple X-Ray Exposures in Young Children

Multiple radiographic examinations within a short period? Hello Doctor, my son is six years old. Since January, he has undergone various X-ray and CT scans for different reasons. 1. He had chest X-rays in January and February (suspected pneumonia). 2. In March, he had about three...


Dr. Wang Yifen Reply:
Hello, 1. Multiple exposures to radiation can indeed increase the risk of developing additional cancers. The purpose of imaging examinations is to assist physicians in diagnosing and identifying the underlying causes of diseases, enabling appropriate interventions so that patie...

[Read More] Concerns About Multiple X-Ray Exposures in Young Children


Understanding Radiation Risks from Multiple CT Scans: What You Need to Know

Computed Tomography Radiation Hello, doctor. Recently, an abdominal ultrasound detected a shadow on my liver, so the doctor arranged for an abdominal CT scan (without contrast). A week later, upon reviewing the report, it was unexpectedly found that there seems to be a shadow on ...


Dr. Wang Yifen Reply:
According to the American Society of Radiologic Technologists, each additional abdominal and pelvic computed tomography (CT) scan increases the risk of developing an additional cancer by approximately 1.2 per 1,000 scans. The purpose of imaging examinations is to assist physician...

[Read More] Understanding Radiation Risks from Multiple CT Scans: What You Need to Know


Understanding CT Scans: Radiation Risks and Interpretation Guidelines

Computed Tomography (CT) Scan Recently, I underwent an abdominal CT scan and multiple X-ray examinations due to my medical condition. I am also planning to have a health check-up soon, which includes a lung CT scan. I would like to ask the director: 1. Is it safe to have more tha...


Dr. Wang Yifen Reply:
Hello, 1. According to the American Society of Radiologic Technologists, the radiation dose for a single CT scan of the abdomen (including the pelvic cavity) is approximately 14 millisieverts. The International Commission on Radiological Protection (ICRP) report 103 states that...

[Read More] Understanding CT Scans: Radiation Risks and Interpretation Guidelines


Can You Get a Chest X-Ray with Metal Braces? Understanding the Risks and Effects

Taking a chest X-ray with metal dental braces? Can I have a chest X-ray while wearing metal braces? I am reminded to remove metal jewelry every time I have an X-ray, which makes me feel like wearing metal jewelry poses a life-threatening risk. However, it seems like the concern i...


Dr. Wang Yifen Reply:
Hello, any removable metallic foreign objects within the X-ray exposure area should be removed in advance to avoid interference with the imaging and affecting the physician's diagnosis. X-rays are a form of ionizing radiation, and only excessive exposure poses risks. The rad...

[Read More] Can You Get a Chest X-Ray with Metal Braces? Understanding the Risks and Effects


Does Dental X-Ray Radiation Leave Residual Effects on the Body or Metal?

Dental X-ray radiation does not remain in the body or in metal objects? Hello, doctor! I would like to inquire about the radiation issue related to dental X-rays. If I have had X-rays taken two to four times in one week, will there be any residual radiation in my body? (I'm ...


Dr. Wang Yifen Reply:
Hello: X-ray radiation is invisible, odorless, and intangible; it is a form of energy. It travels through the air at a speed comparable to that of light. Whether the human body undergoes an X-ray examination or objects are exposed to standard X-ray radiation, this energy penetrat...

[Read More] Does Dental X-Ray Radiation Leave Residual Effects on the Body or Metal?


Understanding Radiation Risks: Should You Worry About Your Exposure?

Radiation issues Hello, doctor. I would like to ask: my total radiation exposure is 36.2 millisieverts, and the additional cancer risk is approximately 0.5%. Does this mean that my likelihood of developing cancer is significantly increased? I have been constantly thinking about t...


Dr. Wang Yifen Reply:
Hello: According to the report in the 115th issue of Health Magazine, lifestyle is closely related to the occurrence of cancer, with very few cancers having a genetic association. The American Institute for Cancer Research published "Stopping Cancer Before It Starts," w...

[Read More] Understanding Radiation Risks: Should You Worry About Your Exposure?


Understanding X-Ray Exposure: Safety Concerns and Frequency Guidelines

X-ray dosage Hello Doctor, I am concerned about the radiation exposure from X-rays. Since the car accident on November 22, 2019, I have undergone a CT scan of my head once (on November 22) and five X-rays of my clavicle (approximately every 3-4 weeks). I had an X-ray of my clavi...


Dr. Wang Yifen Reply:
Hello Mr. Li, 1. X-rays are diagnostic tools used to monitor changes in diseases. When a physician assesses the patient's condition and determines the need, an X-ray examination can be arranged. The tests you mentioned are considered reasonable. 2. Regarding the question ...

[Read More] Understanding X-Ray Exposure: Safety Concerns and Frequency Guidelines


Understanding Radiation Exposure from Full Spine X-rays in Adolescents

Radiation dose from a full spine X-ray examination? Hello! My daughter is 15 years old and has undergone two full-body spinal X-ray examinations in the past year and a half (from the neck to the pelvis). The first examination included one frontal and one lateral view of the entir...


Dr. Ye Weicheng Reply:
Dear Concerned Mother, We have a more authoritative printed report dated March 2019, supported by the ACR (American College of Radiology) and RNSA (Radiological Society of North America). The authors reviewed the radiation doses to the human body from radiological examinations o...

[Read More] Understanding Radiation Exposure from Full Spine X-rays in Adolescents


Impact of Regular Chest X-rays on Employee Health and Fertility

X-rays and Employee Health Hello, doctor. Due to work requirements, our company mandates that employees undergo chest X-ray examinations every six months as per the contract. Since our employees are primarily unmarried young individuals and middle-aged groups, we are concerned ab...


Dr. Wang Yifen Reply:
Hello, a chest X-ray involves low-dose radiation. According to the data published by the Atomic Energy Council of the Executive Yuan, the radiation dose from a chest X-ray is approximately 0.02 millisieverts, which is lower than the 0.09 millisieverts of radiation exposure from a...

[Read More] Impact of Regular Chest X-rays on Employee Health and Fertility


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