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Immunoglobulin heavy chain locus variable gene segment V4-34 (V H 4.21) use in productive heavy chain (IgH) gene rearrangements has been described in a number of human reactive and autoimmune B cell responses, and has been shown to be frequently used in some series of cases of diffuse large cell...
The mitotic index (MI) and the Ki-67 labeling index (LI) are both understood to measure cellular proliferation, but their relationship is poorly defined. We determined the mitotic index in hematoxylin and eosin-stained paraffin sections of 189 consecutive carcinomas and performed...
The molecular pathology of 20 lymphomas, which presented as testicular masses in patients with no evidence of previous lymphoma, was analyzed. These lymphomas occurred in men with a median age of 69 years (range, 37 to 87 years). Nine of the 14 patients with follow-up died of lymphoma (median...
Vascular endothelial growth factor (VEGF) is a hypoxia inducible angiogenic and vascular permeability factor. Although VEGF expression in glioblastoma is induced by hypoxia, its expression in renal cell carcinoma and hemangioblastoma is thought to be related to mutation of the von Hippel-Lindau...
The clinical and pathological features of acquired immune deficiency syndrome (AIDS)-related lymphomas, including their relationship with other viruses, such as Epstein-Barr virus (EBV) and human herpes virus-8 (HHV8), have been the subject of several studies from North America and Europe. No...
Esophageal cancer is one of the most fatal cancers worldwide and is characterized by great variation in rates among different populations. Linxian, a county in Henan Province, located in north-central China, has one of the highest rates of esophageal squamous cell carcinoma in the world. Most...
The histogenesis of carcinosarcoma of the breast is controversial. In the current case, the demarcation between the carcinomatous and sarcomatous components was distinct in all microscopic fields. Immunohistochemical analysis was negative for epithelial membrane antigen (EMA) and keratin in the...
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