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General Radiology

This category contains 26 posts

Children versus Adults – Who is more sensitive to radiation?

Almost all parents at some point during their children’s lives will need to take their child to the hospital for some sort of illness. Whether it is a cough, fever, broken bone, or abdominal pain, a visit to the emergency room or urgent care will include some sort of radiology study and often that radiology … Continue reading

Radiation Levels of Medical Imaging Studies

Imaging Modalities Medical imaging is a very broad area of medicine and includes many different types of imaging modalities. These include most commonly radiography (x-ray), nuclear medicine, magnetic resonance imaging (MRI), ultrasound, elastography, tomography, positron emitted tomography (PET) and computed tomography (CT), and echocardiography. Other more advanced or exotic imaging studies include photoacoustic imaging and … Continue reading

What is Radiation?

As a pediatric radiologist I have to be constantly aware of the radiation exposure I may be giving to my patients in my daily practice. Children are more sensitive to the effects of radiation, and they have a longer life to live to experience the potential sequelae of too much radiation. But radiation is also … Continue reading

American Board of Radiology Certifying Examination – Why 15 months after residency completion?

I am currently studying for the American Board of Radiology Certifying Examination. By far this is the one standardized examination that I have studied the least for. How the board thinks newly minted radiologists can study for an exam and practice in a new job still baffles me. A few years ago the American Board … Continue reading

ABR Core Exam Recalls

The American Board of Radiology Core Examination is administered every June in Tucson and Chicago. Given that residents are likely starting to ramp up their studying efforts this time of year, I thought I should write this post on recall questions. The more time that passes, the fewer questions I will remember to post below. So without … Continue reading

Using Ionizing Radiation in Children – What do you know?

I’m curious to understand what the readers of radiologypics.com know about ionizing radiation, so I’ve created a few questions that I’d like to get your answers to below.

Radiology Physics – Comparisons of Mammography and General Radiography

The test question writers at the American Board of Radiology seem to be obsessed with comparing mammography and general radiography. The below table should be high yield information for the ABR Core examination and certifying examination. In simple terms, mammography is lower energy, takes longer, generally uses different targets and filters, and is higher resolution. Those are … Continue reading

Causes of Avascular Necrosis (AVN) Mnemonic

There are numerous causes of avascular necrosis (AVN), which is at its most basic definition when blood flow to a bone is interrupted or reduced. Numerous mnemonics have been proposed to remember the many causes of AVN. My favorite is probably GIVE INFARCTS:     GIVE INFARCTS ·       G- Gaucher disease ·       I- Idiopathic- Legg-Calve Perthes ·       … Continue reading

My Birthday, 420 and The Cannabis Culture

So its true, today is my birthday. I’ve been browsing the internet trying to find the best image of a radiology related cake and I came up with a couple of favorites below. But even more interesting, is that today is also 4/20 or “420” (It also happens to be Easter today as well, but … Continue reading

Custom Facebook Like Button

I’ve been on an x-ray art related binge lately.  There are some very talented artists out there that create beautiful images both of human anatomy and inanimate objects using x-ray. When I came across the thumbs up x-ray by Nick Veasey I couldn’t help but relate it to that pervasive social media that fills our … Continue reading

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