Radiopaedia Blog : Pediatrics

5th Nov 2013 08:02 UTC

Radiology Quiz #6

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

  • Spinnaker sign - a neonatal chest radiograph sign of pneumomediastinum. It refers to the thymus being outlined by air with each lobe displaced laterally like spinnaker sails. This appearance may also be termed the thymic wing sign. Bonus radiology signs also demonstrated in this case include left-sided deep sulcus sign of pneumothorax and continuous diaphragm sign of pneumomediastinum. 

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.

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