Friday, 27 November 2015

xrayoftheweek 48: where is the gas?

The #xrayoftheweek is this chest x-ray is someone who presented with chest pain following a bout of vomiting. There is a lot of gas where it shouldn't be - where can you see it?

Tuesday, 24 November 2015

xrayoftheweek 47: complications of chronic liver disease on DWI

The #xrayoftheweek is this panel of MRI images, once again illustrating the use of diffusion weighted imaging in abdominopelvic MRI. These DWI, ADC and post-contrast T1-weighted images are from someone with a background of chronic liver disease. Which TWO major complications can you see?

a & d: diffusion weighted image (b=800)
b & e: ADC map
c & f: arterial phase post-contrast fat saturated T1

Monday, 16 November 2015

xrayoftheweek 46: another example of diffusion weighted imaging

The #xrayoftheweek is this panel of CT and MRI images in someone with a known past gynaecologic malignancy and now presenting with upper abdominal pain and vomiting. 

The images are as follows:
a & b: axial contrast-enhanced CT images from the upper abdomen
c & d: diffusion weight sequence (b=800) in same slice position as a & b
e & f: apparent diffusion coefficient (ADC) map of slices c & d

Which imaging signs can you see on these images and what do they mean? Why is this person vomiting?

Friday, 13 November 2015

xrayoftheweek 45: which fruit is this sign named after?

The #xrayoftheweek is this thick MIP image reconstructed from a CT of someone who has suffered a stab injury to the lower abdomen. What is the name given to this imaging sign?

Wednesday, 4 November 2015

xrayoftheweek 44: what's wrong with this heart?

The #xrayoftheweek is this chest x-ray in a young woman with shortness of breath - what do you see and what is the leading cause of this worldwide?