Fig. 14
A 14-year-old boy presented with pain in the right iliac fossa of 1 month duration associated with diarrhoea. His abdomen was soft and tender at the right iliac fossa. POCUS (a) using a high-frequency linear probe of the right iliac fossa showed a thickened hyperechoic non-compressible small bowel (arrowheads). The bowel layers could not be seen. Crohn’s disease was suspected. CT with intravenous contrast (b) showed a thickened constricted terminal ileum suggestive of Crohn's disease (yellow arrow)