title: False-positive result in endoscopic ultrasonography in the sigmoid colon due to submucosal granuloma following tattooing.
authors.affiliation: Division of Endoscopic Diagnostics and Surgery, National Cancer Institute, Milan, Italy.
authors.forename: E
authors.initials: E
authors.lastname: Meroni
authors.forename: P
authors.initials: P
authors.lastname: Spinelli
mesh_terms: D000230:Adenocarcinoma / Q000601:surgery; D004724:Endoscopy / Q000379:methods; D005189:False Positive Reactions; D015745:Granuloma, Foreign-Body / Q000209:etiology*; D006801:Humans; D012811:Sigmoid Neoplasms / Q000000981:diagnostic imaging* / Q000601:surgery; D013653:Tattooing / Q000009:adverse effects*; D014463:Ultrasonography