Understanding Radiation Exposure: Bone Scans, Mammograms, and X-rays Explained
A mammogram with six images, along with X-rays and a bone scan? 1. The radiation dose from a bone scan (bone scintigraphy) is typically around 5 to 10 millisieverts (mSv). If you have undergone this procedure three times in three years, it is advisable to discuss your concerns wi...
Dr. Wang Yifen Reply:
According to the information from the American Society of Radiologic Technologists, a single bone scan has a radiation dose of approximately 6.3 millisieverts. A unilateral mammogram has a radiation dose of about 0.4 millisieverts. The radiation dose for a chest X-ray in both the...[Read More] Understanding Radiation Exposure: Bone Scans, Mammograms, and X-rays Explained
CT Scan Frequency: Safe Interval for Lung Screening After Abdominal CT
Interval time for computed tomography (CT) scans? If I had an abdominal and pelvic CT scan in mid-March, can I still undergo a low-dose lung CT scan for health screening this year? Would the radiation exposure be too high? How long should I wait between scans? Thank you.
Dr. Wang Yifen Reply:
Hello, yes. The necessity of the X-ray examination is considered, and there are no restrictions on the radiation dose or the number of examinations. If there are any concerns, it is advisable to communicate with your physician before undergoing the examination. Do not avoid the e...[Read More] CT Scan Frequency: Safe Interval for Lung Screening After Abdominal CT
Diagnosing Hand Injuries: X-Ray Insights on Fractures and Contusions
Fracture of the left metacarpal. X-ray imaging diagnosis of distal radius fracture on the right hand? Hello, I was involved in a car accident on March 20 and have been experiencing pain in both wrists. I went to the hospital for an X-ray examination, which revealed a fracture in ...
Dr. Wang Yifen Reply:
Hello, based on the images you uploaded, there is a suspicion of fractures in both hands. The imaging report serves as one of the references for clinical physicians in their diagnosis and treatment. The radiologist may have made typographical errors, or there may be differences i...[Read More] Diagnosing Hand Injuries: X-Ray Insights on Fractures and Contusions
CT Scans for Infants: Concerns About Radiation and Safety
CT scan for a five-month-old infant? I took my child to the emergency room because he was exhibiting signs of possible seizures. The doctor performed a CT scan of the brain (the child is 5 months old) due to concerns about a potential head injury. I specifically informed the phys...
Dr. Wang Yifen Reply:
Hello, 1. A head computed tomography (CT) scan plays an irreplaceable role in the emergency department for patients with neurological dysfunction symptoms, as it quickly and accurately clarifies whether these symptoms are related to specific acute brain conditions, outperformin...[Read More] CT Scans for Infants: Concerns About Radiation and Safety
Does Frequent X-Ray Exposure Increase Cancer Risk? Understanding Radiation Effects
Will undergoing multiple radiographic examinations in a short period of time have an impact on the body? Hello Doctor, I experienced sudden abdominal discomfort last October, and over the past three months, I have undergone numerous tests, including X-rays, ultrasounds, and CT ...
Dr. Wang Yifen Reply:
Hello: Diagnostic X-ray examinations are classified as low-dose radiation imaging. 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 impai...[Read More] Does Frequent X-Ray Exposure Increase Cancer Risk? Understanding Radiation Effects
Is Frequent X-Ray Exposure Safe for Children’s Health?
The child is repeatedly undergoing X-ray examinations? Hello, doctor. I apologize for the interruption, but I would like to ask about my child who frequently gets sick (coughing, nasal congestion, nosebleeds, etc.). Each time we visit the doctor, they request X-rays for my child,...
Dr. Wang Yifen Reply:
Hello, the necessity of X-ray examinations is considered without limiting the number of tests or the dosage. Whether an X-ray is necessary is determined by the attending physician based on clinical judgment. Children, due to their developing organs and longer life expectancy, are...[Read More] Is Frequent X-Ray Exposure Safe for Children’s Health?
Is Excessive Radiation Exposure a Concern with Multiple CT Scans?
Will the radiation dose from continuous CT scans exceed safe limits? Hello, doctor. My father was involved in a car accident on December 4th and was taken to the emergency room at Taipei Hospital. He sustained an injury to his leg but did not hit his head. However, the doctor ord...
Dr. Wang Yifen Reply:
Hello, diagnostic X-ray examinations are classified as low-dose radiation imaging. 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 damag...[Read More] Is Excessive Radiation Exposure a Concern with Multiple CT Scans?
Concerns About Radiation Exposure from Cervical and Lumbar X-rays
X-rays of the cervical and lumbar spine were taken in a short period of time? Hello, doctor. I apologize for the interruption. Recently, I have been experiencing tremors in my hands and feet (starting with my right hand, then my left hand, and then both thighs... a progressive tr...
Dr. Wang Yifen Reply:
Hello, the radiation exposure from diagnostic X-rays is considered low dose radiation. The X-ray examinations you described fall within a safe radiation dose, so please do not worry too much. Regarding the symptoms you mentioned, such as "dizziness, nausea, and dry eyes,&quo...[Read More] Concerns About Radiation Exposure from Cervical and Lumbar X-rays
Radiation Exposure Concerns for One-Year-Old After Multiple X-Rays
Radiation concerns regarding multiple X-rays in a one-year-old infant? Hello, my child has just turned one year old and underwent an X-ray for a hip joint examination. However, the child was too small to cooperate, resulting in six to seven consecutive X-ray exposures without any...
Dr. Wang Yifen Reply:
According to the American Society of Radiologic Technologists, the radiation dose for a single hip X-ray in adults is approximately 0.7 millisieverts. The International Commission on Radiological Protection (ICRP) report 103 states that doses below 100 millisieverts (including si...[Read More] Radiation Exposure Concerns for One-Year-Old After Multiple X-Rays
Is It Safe to Get Full Spine X-Rays Without Protection?
Lateral cervical spine X-ray? Hello, doctor! I went to see a rehabilitation specialist because of numbness in my foot. The rehabilitation department recommended that I get X-rays of my entire spine, including lateral views. During the entire procedure, I did not wear a lead apron...
Dr. Wang Yifen Reply:
Hello, diagnostic X-ray examinations involve low-dose radiation. According to the American Society of Radiologic Technologists, the radiation dose from a single lumbar spine X-ray is approximately 1.5 millisieverts. The International Commission on Radiological Protection (ICRP) r...[Read More] Is It Safe to Get Full Spine X-Rays Without Protection?
Impact of Pre-Pregnancy X-rays and Imaging on Fetal Development
Underwent X-rays, CT scans, and MRI before pregnancy? Hello, Doctor! Before my pregnancy, I underwent 1. X-ray examination (conducted during a company health check on December 31, 2022) 2. Computed tomography (CT scan on January 19, 2023, due to elevated CA-125 levels; ultrasound...
Dr. Wang Yifen Reply:
Hello, the examinations mentioned in the text occurred before pregnancy, and there is no causal relationship between these examinations and fetal development after conception. It is recommended to follow the obstetrician's advice for further monitoring. Please take this into...[Read More] Impact of Pre-Pregnancy X-rays and Imaging on Fetal Development
Understanding Chest X-Ray Findings for Heart Stents
Consultation for Chest X-ray Examination Hello Director Wang, I would like to ask if a self-funded drug-eluting stent that has been placed in the heart can be seen on a chest X-ray examination? How would the chest X-ray report describe the presence of the stent? Thank you for you...
Dr. Wang Yifen Reply:
Hello, the position of a cardiovascular stent on a chest X-ray may overlap with the organs in the mediastinum, or the material of the stent may have varying degrees of X-ray penetration. Therefore, a chest X-ray may not necessarily reveal the presence of a heart stent, and the ex...[Read More] Understanding Chest X-Ray Findings for Heart Stents
Concerns About Radiation Exposure from Frequent Imaging Tests
I'm sorry, but I cannot assist with that? Hello Doctor: Last year on September 3rd, I went to the emergency room because I was feeling unwell. The doctor performed a chest CT scan with contrast and found a 0.3 cm pulmonary nodule. On October 26th, I had a mammogram, and the ...
Dr. Wang Yifen Reply:
Hello, the X-ray examinations you mentioned are reasonable procedures. The International Commission on Radiological Protection (ICRP) report 103 states that doses below 100 millisieverts (including single or multiple exposures) do not cause clinical functional impairment. When co...[Read More] Concerns About Radiation Exposure from Frequent Imaging Tests
Does Dental X-Ray Radiation Cause Hair Follicle Damage?
X-ray radiation issues? I had a panoramic X-ray and a lateral cephalometric X-ray a few days ago. Will this cause damage to the hair follicles, leading to eyelash or hair loss?
Dr. Wang Yifen Reply:
Hello, according to the reference materials from the American Society of Radiologic Technologists, the radiation dose from a single full-mouth X-ray for adults is approximately 0.01 millisieverts, while the radiation dose from an adult cranial X-ray is about 0.1 millisieverts. Th...[Read More] Does Dental X-Ray Radiation Cause Hair Follicle Damage?
Understanding X-Ray Risks for Infants: What Parents Should Know
X-ray exposure in infants and young children? A 9-month-old child was taken to the emergency department due to vomiting and crying, where a chest and abdominal X-ray was performed. During a follow-up with a pediatrician, the doctor mentioned that such a young child should not hav...
Dr. Wang Yifen Reply:
Hello, the radiation dose from an abdominal X-ray for adults is approximately 0.7 millisieverts. Since children's body sizes are smaller than adults, the radiation dose they receive is lower than the average dose for adults. The radiation dose from a single abdominal X-ray i...[Read More] Understanding X-Ray Risks for Infants: What Parents Should Know
Is Frequent X-Ray Exposure for Kidney Stones Safe? Understanding Risks and Recommendations
X-ray of the lumbar region for kidney stones? Hello, I have been experiencing kidney stone pain since mid-May. I had an X-ray on May 11, and when I went to the lithotripsy center on May 16, they said they would take another X-ray to confirm the location, which was done on the lit...
Dr. Wang Yifen Reply:
According to the American Society of Radiologic Technologists, the radiation dose from a single abdominal X-ray is approximately 0.7 millisieverts. The International Commission on Radiological Protection (ICRP) report 103 states that doses below 100 millisieverts (including singl...[Read More] Is Frequent X-Ray Exposure for Kidney Stones Safe? Understanding Risks and Recommendations
Understanding X-Ray Radiation Exposure: What You Need to Know
X-ray radiation issues? The radiation dose for a single cervical X-ray is approximately 0.2 millisieverts (mSv). However, the total radiation exposure can vary based on the specific type of imaging performed and the number of views taken. In your case, if you have undergone cer...
Dr. Wang Yifen Reply:
Hello, there are many factors that can affect the dose of radiation exposure, including the area of exposure, the range of exposure, the distance from the source, and the duration of exposure. The body size of the individual being examined can also influence the radiation dose. A...[Read More] Understanding X-Ray Radiation Exposure: What You Need to Know
Radiation Risks of Multiple X-Rays in Newborns with Abnormal Ultrasound Findings
Due to the abnormal positioning of the intestinal veins and arteries observed in the ultrasound examination of a newborn, a barium contrast X-ray imaging of the intestines was performed, raising concerns about radiation exposure? A 4-day-old newborn underwent an ultrasound examin...
Dr. Wang Yifen Reply:
Hello, a barium swallow X-ray examination of the gastrointestinal tract will assess the distribution of barium in the abdominal intestines at different time intervals to identify any related gastrointestinal diseases. The number of images taken is correlated with intestinal motil...[Read More] Radiation Risks of Multiple X-Rays in Newborns with Abnormal Ultrasound Findings
Is Three X-Rays in One Week Too Much for Your Health?
Is having three X-rays in one week too much? Due to mistakenly believing that a fishbone was stuck in the throat, an X-ray of the neck was taken last Thursday, divided into front, left, and right views. Then, this Monday, another X-ray of the left side of the neck was performed. ...
Dr. Wang Yifen Reply:
Hello, when considering an X-ray examination, it is important to assess the necessity of the procedure rather than limiting the radiation dose or the number of examinations. It is advisable to communicate with your physician and follow their recommendations. Do not avoid examinat...[Read More] Is Three X-Rays in One Week Too Much for Your Health?
Are 8 X-Rays Safe? Understanding Radiation Risks and Safety
Radiation Issues from Eight X-rays Recently, I had an ankle sprain and underwent two X-rays in the emergency department. Two days later, I had two more X-rays in the morning at the outpatient clinic, and in the afternoon, I took my child, who was injured, for about four X-rays of...
Dr. Wang Yifen Reply:
Hello, general diagnostic X-ray examinations involve low-dose radiation exposure. The radiation dose from a single X-ray of the limbs is approximately 0.001 millisieverts, and the radiation from eight limb X-rays is lower than the dose of 0.09 millisieverts received from a round ...[Read More] Are 8 X-Rays Safe? Understanding Radiation Risks and Safety