Determination of a Safe Dose of Optison in Pediatric Patients With Solid Tumors

Inclusion Criteria

• •Age: 2-20 years old
• •Subject has a known or suspected solid soft tissue tumor in the abdomen or pelvis.
• •Subject is scheduled for other imaging or is already scheduled for an ultrasound or has already had adequate imaging performed at an outside institution.
• •Subject is able to lie still for the exam without sedation.