Retroperitoneal ganglioneuroma with nodal involvement in an adult patient with human immunodeficiency virus: A case report and review of the literature

Ganglioneuromas are a benign tumor originating from neural crest cells. As one of the neuroblastic tumors, ganglioneuromas are most common in children, with a mean age at presentation of 7 years. Ganglioneuro‑ mas are typically singular in nature, but rarely can present with lymph node involvement and distant metastasis.