Henoch-Schönlein purpura echocardiography or ultrasound

Echogenic kidneys, target or doughnut sign in case of intussusception. IgA vasculitis has also been shown to cause massive scrotal oedema, and can be a source of severe pain in young boys.

Ultrasoind findings of HSP:

• Echogenic kidneys
• Target or doughnut sign in case of intussusception
• Massive scrotal edema in patients with IgA vasculitis