Retroperitoneal fibrosis is a rare fibroinflammatory condition involving the abdominal aorta, iliac vessels, and ureters that carries an association with several other autoimmune conditions. Most cases of retroperitoneal fibrosis are thought to be idiopathic. The disorder can affect all age groups but is most common in persons between the ages of 50 and 70 years. A subset of cases is associated with an underlying immunohematologic abnormality including lymphoma. We describe in this case report a highly unusual presentation of a young woman who died with a diagnosis of "idiopathic retroperitoneal fibrosis" based on multiple biopsy procedures. Postmortem examination, however, revealed disseminated anaplastic lymphoma kinase-positive anaplastic large cell lymphoma. The clinical and histopathologic importance of this very unusual presentation of anaplastic lymphoma kinase-positive anaplastic large cell lymphoma with retroperitoneal fibrosis is discussed.
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http://dx.doi.org/10.1016/j.humpath.2011.01.025 | DOI Listing |
Zhong Nan Da Xue Xue Bao Yi Xue Ban
July 2024
Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha 410013, China.
IgG4-related disease (IgG4-RD) is an immune-mediated fibroinflammatory disorder that can affect multiple organs throughout the body, predominantly in middle-aged and elderly males, with a male-to-female ratio of 2꞉1 to 3꞉1. IgG4-related retroperitoneal fibrosis (IgG4-RPF), a rare subtype of IgG4-RD, has an unclear etiology, and its comorbidity with type 2 diabetes mellitus is also uncommon. A lack of awareness of this condition in clinical practice can easily lead to misdiagnosis.
View Article and Find Full Text PDFDis Mon
January 2025
Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow-226025, (U.P.), India. Electronic address:
Erdheim-Chester disease (ECD) is an extremely rare non-Langerhans cell disorder that is believed to include both inflammatory and neoplastic characteristics. It is caused due to genetic mutations in proto-oncogenes like BRAF and MEK, while immunological pathways have an essential role in the onset and progression of the disease. Despite its rarity, ECD poses significant diagnostic and therapeutic challenges due to its heterogeneous clinical presentation and limited understanding of its underlying pathophysiology.
View Article and Find Full Text PDFClin Rheumatol
January 2025
Department of Rheumatology and Immunology, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, China.
Objective: Retroperitoneal fibrosis (RPF) is a rare condition marked by inflammation and fibrosis affecting the peritoneal and retroperitoneal soft tissues. In recent years, the identification of IgG4-related diseases has brought to light a significant association with fibrous disorders, including RPF, which were once considered independent. In this comprehensive cohort study, we performed a comparative analysis of the demographic, clinical, laboratory, histopathological, and therapeutic characteristics between patients with IgG4-related RPF and those with idiopathic retroperitoneal fibrosis (iRPF).
View Article and Find Full Text PDFCureus
November 2024
Department of Internal Medicine/Rheumatology, Texas Tech University Health Sciences Center Paul L. Foster School of Medicine, El Paso, USA.
Retroperitoneal fibrosis (RPF) is a rare disease with a nonspecific presentation. RPF can be classified into Idiopathic, the most common, or secondary due to malignancy and various medications resulting in chronic inflammation and fibrosis in the retroperitoneum. The complications arise due to the compression of structures in the retroperitoneum.
View Article and Find Full Text PDFFront Med (Lausanne)
December 2024
Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China.
Objective: Retroperitoneal fibrosis (RPF) is a rare disease characterized by the presence of fibroinflammatory tissue that surrounds the abdominal aorta and the iliac arteries and often entraps the ureters. Hydronephrosis is a common complication of RPF, however, its clinical features and outcomes have not been well elucidated.
Methods: A total of 115 RPF-related hydronephrosis patients have been recruited from 9 clinical centers in China since March 2010.
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