Primary Neuroblastoma of the Thymus.

Primary neuroblastoma is the most common extracranial solid tumor in children and may occur anywhere along the sympathetic chain, but most commonly occur in abdominal/retroperitoneal region including the adrenal glands, followed by the thorax. In children, the most primary neuroblastomas in the thorax are in the posterior mediastinum. We present herein an extremely rare case of primary neuroblastoma of thymus in pediatric patient.