title: Misdiagnosis of primary hepatic marginal zone B cell lymphoma of mucosa-associated lymphoid tissue type, a case report.
abstract: BACKGROUND
  Extra-nodal marginal zone B cell lymphoma of mucosa-associated lymphoid tissue originating in the liver is less common.
  
  
  METHODS
  We described the clinical presentation, immunohistochemistry, and immunophenotypes of this lymphoma, which was misdiagnosed with tiny hepatic carcinoma in a 44-year-old woman with hepatitis C; the patient underwent left lateral sectionectomy. The immunophenotype identified the most of the lymphoid cells as positive CD20, CD34, Ki67, CD3, CD4, CD79a, CD45RO, MUM-1, and CD5 and negative CD10, CD15, CD30, ACT, CK, CRO, DES, and HMB45. The diagnosis of primary hepatic mucosa-associated lymphoid tissue (MALT) was made by histology after surgery; the patient went through the excellent recovery with no chemotherapy and is disease free for 27 months.
  
  
  CONCLUSIONS
  Primary hepatic MALT is less common with incidental finding; local resection is beneficial due to its oncological indolence.
authors.affiliation: Center of Hepatobiliary Surgery and Liver Transplantation, 302 Hospital, 100 Xisihuang Middle Road, Fengtai District, Beijing, 100039, China.
authors.forename: L X
authors.initials: LX
authors.lastname: Li
authors.affiliation: Center of Hepatobiliary Surgery and Liver Transplantation, 302 Hospital, 100 Xisihuang Middle Road, Fengtai District, Beijing, 100039, China.
authors.forename: S T
authors.initials: ST
authors.lastname: Zhou
authors.affiliation: Center of Hepatobiliary Surgery and Liver Transplantation, 302 Hospital, 100 Xisihuang Middle Road, Fengtai District, Beijing, 100039, China.
authors.forename: X
authors.initials: X
authors.lastname: Ji
authors.affiliation: Center of Hepatobiliary Surgery and Liver Transplantation, 302 Hospital, 100 Xisihuang Middle Road, Fengtai District, Beijing, 100039, China.
authors.forename: H
authors.initials: H
authors.lastname: Ren
authors.affiliation: Center of Hepatobiliary Surgery and Liver Transplantation, 302 Hospital, 100 Xisihuang Middle Road, Fengtai District, Beijing, 100039, China.
authors.forename: Y L
authors.initials: YL
authors.lastname: Sun
authors.affiliation: Center of Hepatobiliary Surgery and Liver Transplantation, 302 Hospital, 100 Xisihuang Middle Road, Fengtai District, Beijing, 100039, China.
authors.forename: J B
authors.initials: JB
authors.lastname: Zhang
authors.affiliation: Center of Hepatobiliary Surgery and Liver Transplantation, 302 Hospital, 100 Xisihuang Middle Road, Fengtai District, Beijing, 100039, China. wangh302h@126.com.
authors.forename: H B
authors.initials: HB
authors.lastname: Wang
authors.affiliation: Center of Hepatobiliary Surgery and Liver Transplantation, 302 Hospital, 100 Xisihuang Middle Road, Fengtai District, Beijing, 100039, China. liuz302h@126.com.
authors.forename: Z W
authors.initials: ZW
authors.lastname: Liu
mesh_terms: D000328:Adult; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D018442:Lymphoma, B-Cell, Marginal Zone / Q000175:diagnosis* / Q000601:surgery; D008297:Male; D011379:Prognosis