EXPERT
Joel A. Dunlap, M.D.
Radiologist
Dr. Joel A. Dunlap M.D. is a top Radiologist in San Antonio, . With a passion for the field and an unwavering commitment to their specialty, Dr. Joel A. Dunlap M.D. is an expert in changing the lives of their patients for the better. Through their designated cause and expertise in the field, Dr. Joel A. Dunlap M.D. is a prime example of a true leader in healthcare. As a leader and expert in their field, Dr. Joel A. Dunlap M.D. is passionate about enhancing patient quality of life. They embody the values of communication, safety, and trust when dealing directly with patients. In San Antonio, TX, Dr. Joel A. Dunlap M.D. is a true asset to their field and dedicated to the profession of medicine.
37 years
Experience
Joel A. Dunlap, M.D.
- San Antonio, TX
- Medical University of South Carolina College of Medicine
- Accepting new patients
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Does radiation shorten your life?
Too much radiation obviously can be lethal. But with the type of radiation exposure from typical medical uses the risk is quite small. The benefit of test results is far greater READ MORE
Too much radiation obviously can be lethal. But with the type of radiation exposure from typical medical uses the risk is quite small. The benefit of test results is far greater than the risk associated with radiation exposure. That being said, one should always try to minimize radiation exposure to only that which is really necessary.
How do you know if radiation therapy is working?
Depending on type of tumor, follow up imaging is often used to assess response to radiation . Tumor size can be measured before and after treatment, or other tumor markers in the READ MORE
Depending on type of tumor, follow up imaging is often used to assess response to radiation . Tumor size can be measured before and after treatment, or other tumor markers in the blood can be compared, as well as clinical response, ie, improved symptoms.
Is covid-19 dangerous to a child who recently had radiation?
There should be no added risk due to a recent radiation exposure.
Can a CT scan be harmful to an unborn child?
Yes, but it depends on what body part of mother is being studied. For example, a head ct with proper abdominal shielding would be low risk as fetus not in direct Xray beam. But READ MORE
Yes, but it depends on what body part of mother is being studied. For example, a head ct with proper abdominal shielding would be low risk as fetus not in direct Xray beam. But a CT of abdomen and pelvis would include the fetus with potential risk for birth defects highest in early stages of pregnancy, less so later in pregnancy. Depending on condition of mother a CT may sometimes be needed. MRI is a radiation free alternative and of course, ultrasound as well. Hope that helps
How much radiation is in an ultrasound?
No radiation with ultrasound. Completely safe. Go ahead and get the ultrasound
Is radiation treatment painful?
Not typically. Most common side effect is nausea and fatigue
What happens if I eat before a CT scan?
If the scan is being performed without intravenous contrast it should be no problem. If IV contrast is given, some people may experience mild nausea and in that case you may want READ MORE
If the scan is being performed without intravenous contrast it should be no problem. If IV contrast is given, some people may experience mild nausea and in that case you may want to wait until after the scan to eat.
Is it safe to do an MRI scan on my brain?
MRI is completely safe. No radiation involved.
Are there any health risks with having an MRI?
MRI is safe and is performed without radiation.
Is it safe for a 10 year old child to have an MRI performed?
There is no radiation with MRI.
Is an MRI scan painful?
No. MRI scan is not painful by itself. It can be anxiety provoking, especially if you are claustrophobic, because you must be placed inside the machine and it is noisy.
What type of diagnostic test is recommended for abdomen pain?
The best, easiest test to visualize the whole abdomen and pelvis would be a CT scan, with intravenous contrast if there is no history of kidney disease
