Local Injection of Pain Medication to Reduce Pain After Bone Marrow Procedures in Pediatric Neuroblastoma Patients

Inclusion Criteria: * Diagnosis of neuroblastoma as defined by the International Neuroblastoma Risk Group Staging System (INRGSS)22 * 3 - 18 years of age * Patient has had prior bone marrow procedures * English speaking Exclusion Criteria: * History of allergy to investigational agent: ropivacaine or other amino amide analgesics * History of allergy to standard agent: propofol * Chronic daily opioid requirement * Lansky/Karnofsky Score \< 60 * Inability to comply with protocol requirements including refusal to forego pre-procedural opioid use * Patient is receiving additional potentially painful interventions (e.g. central line insertion/removal) concurrent with the bone marrow procedure