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We report a case of a 57-year-old woman who was diagnosed with a systemic AA amyloidosis associated with a pleomorphic sarcoma of the spleen. Although the association and causality between chronic inflammatory states and systemic AA amyloidosis have been well established, the evidence linking solid
A patient who developed primary amyloidosis, pure red cell aplasia, and Kaposi's sarcoma is described. This is the second reported coincidence of Kaposi's sarcoma and pure red cell aplasia and the first coincidence of Kaposi's sarcoma and primary amyloid, thus enlarging the spectrum of plasma cell
Exogenous insulin amyloidosis (AIns) is an iatrogenic form of amyloidosis which is found in diabetic patients, generally localized to the site of subcutaneous insulin administration. It may form a discrete mass that could come to clinical attention, and can contribute to abnormal pharmacokinetics of
Pleomorphic reticulum cell sarcoma, a histologic variant of the histiocytic lymphomas, presented as an abdominal mass in a 52-year-old woman. Extensive amyloid deposition was present within the tumor mass and an M-component (IgG Lambda) was identified in the serum. Direct immunoperoxidase staining
Sarcoma is a malignant tumor that originates from the bone or soft tissue. In this study, abundances of serum amyloid A (SAA) in patients with pleomorphic sarcoma (PS), chondrosarcoma (CS), and osteosarcoma (OS) were analyzed and compared with those from their respective age-matched healthy control
Primary amyloidosis (AL), like multiple myeloma (MM), results from a clonal proliferation of plasma cells. Recent detection of Kaposi's sarcoma-associated herpesvirus (KSHV) gene sequences in MM patients, although controversial, suggested that KSHV may also be present in AL. In the present study, we
Despite surgery, chemotherapy, and radiotherapy treatments, the children, adolescents, and young adults who are diagnosed with metastasized Ewing sarcoma face a dismal prognosis. Amyloid precursor-like protein 2 (APLP2) has recently been implicated in the survival of cancer cells and in our current
A patient with systemic lupus erythematosus of long duration developed secondary amyloidosis and finally died after the additional complication of malignant lymphoproliferative disease. Multiple system involvement, typical serologic findings, and postmortem evidence substantiated the diagnosis of
Serum amyloid A (SAA) is a plasma protein whose synthesis is markedly increased in the liver during the inflammatory process. Previous analysis of SAA promoter function implicated the involvement of the CCAAT/enhancer-binding protein (C/EBP) in controlling this process. In this study, using
Fused in sarcoma (FUS) is a DNA/RNA binding protein that is involved in RNA metabolism and DNA repair. Numerous reports have demonstrated by pathological and genetic analysis that FUS is associated with a variety of neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS),
The acute phase proteins (APP) form part of a non-specific host response to inflammation. They may be induced by a range of different causes, including infection, inflammation, cancer and trauma. As they form part of the earliest response to such insults, they have potential for early identification
We report two unusual autopsy cases with frontotemporal lobar degeneration (FTLD) that were hyperphosphorylated-tau- and TAR DNA binding protein 43 (TDP-43)- negative. The behavioral symptoms in both cases were compatible with frontotemporal dementia, but they exhibited more prominent speech and