title: Retroperitoneal ectomesenchymoma: a rare childhood tumor.
authors.forename: Sheenu
authors.initials: S
authors.lastname: Misra
authors.forename: Nuzhat
authors.initials: N
authors.lastname: Husain
mesh_terms: D002675:Child, Preschool; D005260:Female; D006651:Histocytochemistry; D006801:Humans; D008637:Mesenchymoma / Q000175:diagnosis* / Q000473:pathology* / Q000601:surgery; D008853:Microscopy; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000473:pathology* / Q000601:surgery