title: Pathology quiz case 1. Sclerosing polycystic adenosis (SPCA).
authors.forename: Nathan
authors.initials: N
authors.lastname: Nielsen
authors.forename: Eric
authors.initials: E
authors.lastname: Wirtz
authors.forename: Judy
authors.initials: J
authors.lastname: Freeman
authors.forename: Christopher
authors.initials: C
authors.lastname: Klem
mesh_terms: D000328:Adult; D044963:Biopsy, Fine-Needle; D003560:Cysts / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery*; D003937:Diagnosis, Differential; D003952:Diagnostic Imaging; D006801:Humans; D008297:Male; D010305:Parotid Diseases / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery*; D012598:Sclerosis