title: Retroperitoneal schwannoma diagnosed by endoscopic ultrasound-guided fine-needle aspiration.
authors.affiliation: Department of Gastroenterology and Digestive Endoscopy, Santa Casa Hospital, Porto Alegre, Brazil.
authors.forename: César Vivian
authors.initials: CV
authors.lastname: Lopes
authors.affiliation: Department of Clinical Oncology, Santa Casa Hospital, Porto Alegre, Brazil.
authors.forename: Manuela
authors.initials: M
authors.lastname: Zereu
authors.affiliation: Department of Pathology, Santa Casa Hospital, Porto Alegre, Brazil.
authors.forename: Roque Domingos
authors.initials: RD
authors.lastname: Furian
authors.affiliation: Department of Pathology, Santa Casa Hospital, Porto Alegre, Brazil.
authors.forename: Bianca Canela
authors.initials: BC
authors.lastname: Furian
authors.affiliation: Department of Surgical Oncology, Santa Casa Hospital, Porto Alegre, Brazil.
authors.forename: Tiago Auatt Paes
authors.initials: TA
authors.lastname: Remonti
mesh_terms: D061765:Endoscopic Ultrasound-Guided Fine Needle Aspiration; D006801:Humans; D008297:Male; D008875:Middle Aged; D009442:Neurilemmoma / Q000175:diagnosis*; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed