title: Pathology quiz case 2. Primary signet ring carcinoma of the eyelid.
authors.affiliation: Washington University School of Medicine, and Barnes-Jewish Hospital, St Louis, Missouri, USA.
authors.forename: Joshua I
authors.initials: JI
authors.lastname: Warrick
authors.forename: James S
authors.initials: JS
authors.lastname: Lewis
authors.forename: Jason A
authors.initials: JA
authors.lastname: Diaz
mesh_terms: D000368:Aged; D001706:Biopsy; D018279:Carcinoma, Signet Ring Cell / Q000473:pathology* / Q000532:radiotherapy / Q000601:surgery; D003131:Combined Modality Therapy; D003937:Diagnosis, Differential; D005142:Eyelid Neoplasms / Q000473:pathology* / Q000532:radiotherapy / Q000601:surgery; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male