When should a CT Scan be Performed?

Under what circumstances do we opt for CT Scans then?

When Should a CT Scan be Preformed

Dr. Greene’s Answer:

CT scans are usually the best imaging studies for looking inside the skull following head trauma. They are also the best imaging studies for other specific situations, including looking inside the lungs for cancer.

After a head trauma, the advantages of CT scans are most clear for those children under 2, those experiencing dizziness, vision, or behavior changes, those with skull fractures, and those with a mechanism of injury likely to cause a serious problem (this is one reason I’m such a big fan of bicycle, skateboard, scooter, and motorcycle helmets). If the doctor has a high degree of suspicion that there is a problem, a CT scan can be the wisest thing to do.

Read More From This Series:
CT Scan Defined
CT Scan, Ultrasound or MRI?
CT Scan Safety
CT Scans and Radiation Exposure
CT Scan Risks
Higher Risks in Children
Who Should Receive a CT Scan?
X-Ray or a CT Scan?
Alternatives to a CT Scan
When Should a CT Scan be Performed?
Important Tip to Reduce to Radiation
Questions to Ask before Every CT Scan
Other Radiation Exposures
Measures That Radiologists Should Adhere to When Administering a CT Scan
CT Scans and Cancer
When are MRIs not Practical?
What is Ionizing Radiation?
Who are Radiologists?

Dr. Alan Greene

Dr. Greene is the founder of DrGreene.com (cited by the AMA as “the pioneer physician Web site”), a practicing pediatrician, father of four, & author of Raising Baby Green & Feeding Baby Green. He appears frequently in the media including such venues as the The New York Times, the TODAY Show, Good Morning America, & the Dr. Oz Show.

  1. Simone

    My little girl now is 3, but where her head has fused together where the soft spot was it’s now like a hill — like bump there. Do soft spots turn into little lump hills? My doc felt and says it has to do with where the head fuses together and it’s normal, but I keep checking as I don’t think it is.


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