Is the radiation exposure from a CT scan safe?


Q: I had a small amount (cells) of blood in my urine. My blood work was normal. My doctor has ordered a CT scan. Is there any reason why I could not have ultrasound instead? I am concerned about radiation.

Symptoms:  none

A:   Thank you for your question. We are not certain as to why you were not prescribed to take an ultrasound, and what your past medical history is to warrant ordering a CT scan of your abdomen. Computed Tomography uses x ray radiation to provide diagnostic imaging of a specified area of the body. A CT scan of the abdomen/pelvis exposes the patient to about 10mSv of radiation and is considered a low risk exposure. Please consult your doctor as to what are the clinical indications for the CT scan are as we cannot ascertain this from your description.

Thank you for choosing

Related Q&A

Q: I'm a 32 year old male. I've been experiencing mild urinary retention for the past two weeks that came on suddenly. ...

Q: I was really sick with a stomach bug last week, it really effected my bowels to put it nicely. So much so my butt hol...

Q: I have chronic bladder infection for 6 months. I prescribed pyridium I told one yesterday but I have been having real...

Q: Son 32 has prostititus. Can marijuana use cause bladder infection or prostititus infection

Q: Should I be concerned with a liver panel of an AST 23 and ALT 13. This would give me a 1.8 > AST /ALT which seems to ...


Dr. James Obaji M.D.

  • 247 Reviews
  • Family Physician

Dr. Suneel Sharman M.D.

  • 190 Reviews
  • Family Physician

Dr. Pat Golden M.D.

  • 169 Reviews
  • Cardiologist

Dr. Kunaal Jindal M.D.

  • 112 Reviews
  • Plastic Surgeon