The presence of both HPV and EBV gene sequences in most of the same normal, benign, and malignant prostate specimens is particularly noteworthy because of recent experimental evidence demonstrating that EBV and HPV can collaborate to increase proliferation of cultured cervical cells. Because the presence of EBV and HPV in normal, benign, and malignant prostate tissues appears to be ubiquitous, it is possible that they are harmless. On the other hand HPV type 18 in particular, has high oncogenic potential and may be associated with some prostate cancers. The identification of HPV associated koilocytes in prostate cancer specimens is an indication of HPV infection and potential oncogenic influences of human papillomavirus in prostate cancer.
We conclude that PTE may result in right ventricular myocardial inflammation and necrosis, distinct from that seen in typical myocardial infarction due to atherosclerotic coronary artery disease, or myocarditis. This observation may be explained, in part, by local stretch and strain of the right ventricle due to increased afterload, possibly compounded by diminished diastolic blood flow to the right ventricular myocardium and the effects of global myocardial hypoxia.
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