Radiopaedia Blog

Here is November's Neuroradiology and Neuropathology meeting cases from  Royal Melbourne Hospital

This meeting comprises 4 unusual and rare cases with imaging and histology. It is a pleasure to be able to share these cases with you, so that more individuals from around the globe can learn from them. 

Click here to view current cases (November 2013)

Past meetings:

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Just a quick note to let you know that in December we will be running our first, and hopefully yearly, donation drive. We sincerely hope you will be able to support us, and ensure that continues to grow, and remains free. 

You will see some new banners and social media posts about it, which will make the whole process extremely easy. 

Thanks in advance


Founder and Editor 


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We have been struggling with the existing text editor on the site for quite some time (years actually) since support for it was discontinued. Finally we are rolling out a new and much improved editor, which you will now see when you 'contact user' (through their profile page). 

Once we have kicked the tires we will deploy it to the rest of the site. So, in the mean time, please let us know if you have any problems with it.. 

Thanks for your patience, 


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November 8 is the International Day of Radiology, an event which aims to promote awareness of the amazing work done by Radiologists around the world. 

The 2013 theme is Lung Imaging and so at we have decided to celebrate with a chest x-ray quiz! 

  • Can you correctly identify the abnormalities?
  • How do you compare to a radiologist?
  • View annotated answers to learn what a radiologist would see.
  • Share the quiz with your friends to help spread the word!

Here's what a Radiologist would've seen...

Woman B has a lung cancer hiding in the apical region often termed a Pancoast tumor (green arrow). These can be very difficult for the untrained eye to spot and this area is an important "check area" for radiologists when interpreting chest x-rays.

Woman A has a breast shadow on the right (white arrow) but does not have one on the left because she has had a mastectomy for breast cancer. Such asymmetric density can cause an inexperienced film reader to mistakenly diagnose a lung abnormality.  

Patient A has a small punctured lung (aka pneumothorax) which can be a difficult but very important diagnosis to make. Air is seen outside the lung with a thin line representing the lung margin, known as the pleura, evident in the upper chest (green arrow).

Patient B has fibrosis in their right lung apex (white arrow) which has lead to a reduction in lung volume with elevation of the diaphragm on that side. This was a case of radiation induced fibrosis.    

Patient A has multiple calcified pleural plaques on the surface of the lung which is a hallmark of asbestos exposure. These are classically described as being geographic, looking somewhat like continents on a world map (green shading). On the diaphragm they appear as thick white lines (green arrow).

Calcified pleural plaques are themselves benign and do not indicate asbestosis (pulmonary fibrosis due to asbestos) or mesothelioma although the patient would be at increased risk of developing these deadly conditions.

Patient B has a fungal infection within dilated bronchi in the right upper lobe of the lung (white arrow) known as allergic bronchopulmonary aspergillosis. This occurs most often in asthmatics and produces what is described as a 'finger in glove' appearance.     



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5th Nov 2013 08:02 UTC

Radiology Quiz #6

Which church-related sign is seen in this 2yo boy? What is the diagnosis?

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