Retroperitoneal fibrosis associated with immunoglobulin IgG4-related disease in the differential diagnosis in retroperitoneal tumors. Case report
Reumatol Clin (Engl Ed). 2019 Sep-Oct;15(5):e27-e29.
doi: 10.1016/j.reuma.2017.06.008.
Epub 2017 Jul 19.
[Article in
English,
Spanish]
Affiliations
- 1 Servicio de Cirugía General, Hospital General de México, Ciudad de México, México. Electronic address: rvgaby@hotmail.com.
- 2 Servicio de Oncología Ginecológica, Centro Médico Nacional Siglo XXI, Ciudad de México, México.
- 3 Servicio de Cirugía, Hospital General de Cholula, San Bernardino Tlaxcalancingo, San Andrés Cholula, Puebla, México.
- 4 Servicio de Patología, Hospital General de México, Ciudad de México, México.
- 5 Servicio de Cirugía, Hospital General de México, Ciudad de México, México.
- 6 Clínica de Cirugía Hepatopancreatobiliar, Hospital General de México, Ciudad de México, México.
Abstract
The patient was a 55-year-old woman with a 4-month history of pain in left flank that irradiated to the lumbar region. Computed tomography revealed a cystic tumor in the retroperitoneal region that compresses the ureter and left renal pelvis in contact with pancreatic body and tail. Surgery was performed and the definitive pathological report diagnosed nodular retroperitoneal fibrosis associated with IgG4; Ki67-positive in germinal centers (5%) and IgG4-positive (40 plasma cells in 3 fields of 40x) by immunohistochemistry. Retroperitoneal fibrosis is a rare disease, that develops gradually and has an excellent response to steroid management. Surgical treatment is reserved for cases that compromise adjacent structures. Thus, identifying it when studying a retroperitoneal tumor leads to better prognosis and survival.
Keywords:
Enfermedad asociada a inmunoglobulina G4; Fibrosis retroperitoneal; Immunoglobulin G4; Immunoglobulin G4-related disease; Inmunoglobulina G4; Retroperitoneal fibrosis; Retroperitoneal tumors; Tumores retroperitoneales.
Copyright © 2017 Elsevier España, S.L.U. and Sociedad Española de Reumatología y Colegio Mexicano de Reumatología. All rights reserved.
MeSH terms
-
Diagnosis, Differential
-
Female
-
Humans
-
Immunoglobulin G / analysis
-
Immunoglobulin G4-Related Disease / complications
-
Immunoglobulin G4-Related Disease / diagnosis*
-
Ki-67 Antigen / analysis
-
Middle Aged
-
Retroperitoneal Fibrosis / complications
-
Retroperitoneal Fibrosis / diagnosis*
-
Retroperitoneal Fibrosis / pathology
-
Retroperitoneal Fibrosis / surgery
-
Retroperitoneal Neoplasms / diagnosis*
Substances
-
Immunoglobulin G
-
Ki-67 Antigen
-
MKI67 protein, human