Background: Neuroblastoma is an extracranial malignant tumor in children that is most often located in the adrenal gland and sympathetic ganglion. Here, we present a rare case of neuroblastoma originating from the urinary bladder.
Case summary: A 3-year-old girl presented with lower abdominal pain with micturition. Ultrasound revealed a lower abdominal mass. Abdominal computed tomography scan displayed a solitary mass at the top of the urinary bladder. Blood levels of neuron-specific enolase and lactate dehydrogenase were elevated. We treated the child with partial cystectomy and six courses of chemotherapy, and the outcome at 4-year follow-up was unremarkable.
Conclusion: Neuroblastoma should be considered when tumors are located in the urinary bladder, especially in the dome; although this presentation is rare, the prognosis is very good.
Keywords: Case report; Child; Neuroblastoma; Pelvic neoplasms; Prognosis; Urinary bladder.
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