AA amyloidosis is a rare systemic complication caused commonly by chronic inflammatory arthritis,periodic fever disease,vasculitis,tumors,etc.Castleman's disease is an uncommon cause of AA amyloidosis.Here,we reported a case of unicentric Castleman's disease-induced AA amyloidosis with nephrotic syndrome as the main manifestation.The laboratory examination showed elevated levels of inflammatory indicators.We summarized the clinical manifestations,diagnosis,and therapy of this case,aiming to facilitate the management of patients with unknown reasons of renal amyloidosis.
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No evidence for active viral infection in unicentric and idiopathic multicentric Castleman disease by Viral-Track analysis.
Sci Rep
January 2025
Center for Cytokine Storm Treatment & Laboratory, Department of Medicine, University of Pennsylvania, CSTL, 3535 Market Street, Philadelphia, PA, 19104, USA.
Castleman disease (CD) is a rare hematologic disorder characterized by pathologic lymph node changes and a range of symptoms due to excessive cytokine production. While uncontrolled infection with human herpesvirus-8 (HHV-8) is responsible for the cytokine storm in a portion of multicentric CD (HHV-8-associated MCD) cases, the etiology of unicentric CD (UCD) and HHV-8-negative/idiopathic MCD (iMCD) is unknown. Several hypotheses have been proposed regarding the pathogenesis of UCD and iMCD, including occult infection given the precedent established by HHV-8 infection.
View Article and Find Full Text PDFMediastinal Castleman disease presenting as a paraspinal mass causing back pain and shortness of breath in a young adult.
Heliyon
December 2024
Department of Pathology, Chung Shan Medical University Hospital, No. 110, Section 1, Jianguo N Rd, South District, Taichung City, 402, Taiwan, ROC.
This case report details a rare presentation of unicentric Castleman disease (UCD), hyaline vascular type in a 22-year-old woman. The patient presented with a large, well-circumscribed mass in the paravertebral region causing back pain and shortness of breath. Diagnostic imaging and biopsy confirmed the diagnosis, and surgical excision led to a favorable outcome.
View Article and Find Full Text PDFImaging of unicentric hyaline-vascular variant of Castleman disease: Emphasis on perilesional fat stranding and fatty proliferation.
Glob Health Med
December 2024
Department of Radiology, Institute of Medicine, University of Tsukuba, Ibaraki, Japan.
The hyaline-vascular variant of Castleman disease (HVCD) is relatively uncommon and demonstrates no specific clinical or laboratory findings; therefore, its preoperative diagnosis warrants a radiological evaluation. This study aimed to review imaging findings of HVCD, focusing on perilesional fat stranding and fatty proliferation. Patients with a pathologically confirmed HVCD diagnosis who had undergone CT were recruited from five hospitals from January 2000 to March 2023.
View Article and Find Full Text PDFIntracranial Castleman's Disease Mimicking Dural-based Pathologies: A Case Report.
Curr Med Imaging
December 2024
Department of Vascular Neurosurgery, National Institute of Neurology and Neurosurgery "Manuel Velasco Suárez", 14267, Mexico City, Mexico.
Background: Castleman disease (CD) is a rare lymphoproliferative disorder, with intracranial involvement being exceedingly rare. Unicentric Castleman disease (UCD) is typically benign and localized, but its presentation can mimic other intracranial pathologies, complicating diagnosis.
Case Description: We reported a 52-year-old woman who presented with progressive headaches and language disturbances.
Introduction: Castleman disease (CD) represents a spectrum of heterogeneous lymphoproliferative disorders sharing peculiar histopathological features, clinically subdivided into unicentric CD (UCD) and multicentric CD (MCD) and presenting with variable inflammatory symptoms. Interleukin (IL)-6 and other cytokines play a major role in mediating CD inflammatory manifestations. Although the local microenvironment seems to be among the major sources of hypercytokinemia, the precise cellular origin of IL-6 production in CD is still debated.
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