Radiopaedia Blog

27th Sep 2013 21:48 UTC

CAVITY - mnemonic

CAVITY - a useful mnemonic for the causes of a cavitating lung mass.

C = cancer 
A = autoimmune granulomas
V = vascular 
I = infection
T = trauma
Y = youth 

Case 1 is an example of a cavitating primary lung cancer. Case 2 shows a thick walled cavity in a patient with Wegener's granulomatosis. Case 3 is an example of tuberculosis. Case 4 is of congenital pulmonary airways malformation (CPAM) in a neonate. 

24th Sep 2013 10:58 UTC

Radiology Quiz #2

What is this sign called, and what treatment of what condition causes it?

  • Corkscrew sign - describes the spiral appearance of the distal duodenum and proximal jejunum in the setting of midgut volvulus on contrast studies. In patients with congenital malrotation of the midgut, the distal duodenum and proximal jejunum do not cross the midline and instead pass inferiorly. These loops are predisposed to twist on their shortened mesentery creating the classic corkscrew appearance of midgut volvulus.

21st Sep 2013 12:34 UTC

Radiology Quiz #1

35yo female with pain after minor trauma. What is the 'not to be missed' diagnosis?   

 

 

21st Sep 2013 08:35 UTC

Hyperdense MCA sign

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