Infant with a new right scrotal bulge

AXR and US of ventriculoperitoneal shunt tip in the scrotum
AXR (above) shows the tip of the VP shunt has migrated into the right scrotum. Transverse US image (below) shows a moderate left hydrocele and the round VP shunt catheter in the medial aspect of the right scrotum.

The diagnosis was migration of the VP shunt catheter tip through the right inguinal canal into the right scrotum.