title: Ultrasonic evaluation of masses in pediatric patients.
mesh_terms: D000008:Abdominal Neoplasms / Q000175:diagnosis; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003560:Cysts / Q000175:diagnosis* / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D005069:Evaluation Studies as Topic; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008067:Lipoma / Q000175:diagnosis; D008479:Mediastinal Neoplasms / Q000175:diagnosis; D009369:Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D009447:Neuroblastoma / Q000175:diagnosis; D010372:Pediatrics; D007690:Polycystic Kidney Diseases / Q000175:diagnosis; D011859:Radiography; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis; D012509:Sarcoma / Q000175:diagnosis; D013899:Thoracic Neoplasms / Q000175:diagnosis; D014463:Ultrasonography