Dr. Chang Published in Neuroradiology Journal on Velopharyngeal Dysfunction

Pretty exciting news!  Dr. Chang has co-authored a peer-reviewed journal article on the topic of velopharyngeal dysfunction  that was published in the June 2019 journal of Neurographics . Most of his other co-authors all belong to the Department of Radiology at the University of Virginia. Velopharyngeal dysfunction or insufficiency (VPI) is a condition when the soft palate does not close properly separating the oral cavity from the nasal cavity during speech and swallow. Watch the video …

6/07/2019 0

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Local ENT Surgeon Missed Rare Sinus Pathology on CT Scan

Ditto in right maxillary sinus cavity. A well-respected ENT surgeon in Warrenton, VA created an uproar in the medical community when it was discovered that he failed to detect a rare sinus pathology on a CT sinus scan. This parasitic growth was easily discovered by the patient's teenage son within seconds of looking at the CT scan in spite of still being in high school. It's called a " Ditto " claimed John Smith, 14, son of the patient who suffered from this missed patho…

7/24/2016 0

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Can You Spot the Gorilla in the CT Scan?

I am not going to go into too much detail regarding a recent news article regarding how 83% of radiologists (physicians who specialize is looking at radiology pictures) failed to see a gorilla on a CT scan of the chest... you can read more of the details here . But, the question is can YOU find the gorilla in the CT Scan that was portrayed? Still can't see it? Look below... Keep going... Keep going... Keep going... I'll point to it...

2/14/2013 0

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How Much Radiation Exposure Occurs with a CT Scan? X-ray? Sunlight?

A common concern now is how much radiation exposure occurs with common radiological testing such as x-rays and CT scans, especially given the small increased risk of cancer with accumulated exposure over years. Of note, ultrasounds and MRI scans do not emit radiation. MRI scans use magnets while ultrasounds use sound waves in order to obtain imaging information. So, here's a chart comparing such tests with common environmental radiation exposure such as sunlight. Information taken fro…

2/13/2013 0

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MRI Scans CAN Cause Vertigo

Researchers at Johns Hopkins published a study that reports that MRI scans CAN cause feelings of dizziness induced by magnetic fields causing motion of the electrically charged fluid of the inner ear. In both ears, there is a "gyroscope" called the labyrinth. Whenever the head turns or a force like gravity is exerted on this system, fluid moves within which tells the brain that motion has occurred. It's much like looking into a glass of water and based on the way the water t…

9/27/2011 1

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Website That Calculates Your Cancer Risk From Radiological Tests

In the last few weeks, there's been multiple media reports on the increased risk of cancer with common radiological tests due to radiation exposure, however minimal it may be. Due to this concern, a website called " X-Ray Risk.com " was developed that calculates your increased cancer risk based on type of test, age, and gender. For example, a CT Neck (a common CT test ordered by ENTs) on a 35 year-old male increases cancer risk by 0.046%. A chest x-ray? Only 0.001%. Check …

12/18/2009 0

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