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Browsing by Subject "Cytomegalovirus"
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Item Cytomegalovirus induced hemophagocytic lymphocytic histiocytosis in two pediatric patients with acute lymphoblastic leukemia(Elsevier, 2017-07-22) Waddell, Benjamin; Belcher, Chris; Willey, Emily; Medicine, School of MedicineHemophagocytic lymphohistiocytosis (HLH) is a rare inflammatory condition with tissue destruction due to abnormal immune activation. We present a series of 2 cases of cytomegalovirus-induced HLH in children during maintenance chemotherapy for acute lymphoblastic leukemia. These cases emphasize the importance of considering secondary HLH in this high-risk subset of pediatric patients.Item Gastrointestinal complications after kidney transplantation(Baishideng Publishing Group Inc., 2020-10-14) Gioco, Rossella; Corona, Daniela; Ekser, Burcin; Puzzo, Lidia; Inserra, Gaetano; Pinto, Flavia; Schipa, Chiara; Privitera, Francesca; Veroux, Pierfrancesco; Veroux, Massimiliano; Surgery, School of MedicineGastrointestinal complications are common after renal transplantation, and they have a wide clinical spectrum, varying from diarrhoea to post-transplant inflammatory bowel disease (IBD). Chronic immunosuppression may increase the risk of post-transplant infection and medication-related injury and may also be responsible for IBD in kidney transplant re-cipients despite immunosuppression. Differentiating the various forms of post-transplant colitis is challenging, since most have similar clinical and histological features. Drug-related colitis are the most frequently encountered colitis after kidney transplantation, particularly those related to the chronic use of mycophenolate mofetil, while de novo IBDs are quite rare. This review will explore colitis after kidney transplantation, with a particular focus on different clinical and histological features, attempting to clearly identify the right treatment, thereby improving the final outcome of patients.Item qPCR is a sensitive and rapid method for detection of cytomegaloviral DNA in formalin-fixed, paraffin-embedded biopsy tissue(MyJoVE Corporation, 2014-07-09) McCoy, Morgan H.; Post, Kristin; Sen, Joyashree D.; Chang, Hsim Y.; Zhao, Zijin; Fan, Rong; Chen, Shaoxiong; Leland, Diane; Cheng, Liang; Lin, Jingmei; Department of Pathology and Laboratory Medicine, IU School of MedicineIt is crucial to identify cytomegalovirus (CMV) infection in the gastrointestinal (GI) tract of immunosuppressed patients, given their greater risk for developing severe infection. Many laboratory methods for the detection of CMV infection have been developed, including serology, viral culture, and molecular methods. Often, these methods reflect systemic involvement with CMV and do not specifically identify local tissue involvement. Therefore, detection of CMV infection in the GI tract is frequently done by traditional histology of biopsy tissue. Hematoxylin and eosin (H&E) staining in conjunction with immunohistochemistry (IHC) have remained the mainstays of examining these biopsies. H&E and IHC sometimes result in atypical (equivocal) staining patterns, making interpretation difficult. It was shown that quantitative polymerase chain reaction (qPCR) for CMV can successfully be performed on formalin-fixed, paraffin-embedded (FFPE) biopsy tissue for very high sensitivity and specificity. The goal of this protocol is to demonstrate how to perform qPCR testing for the detection of CMV in FFPE biopsy tissue in a clinical laboratory setting. This method is likely to be of great benefit for patients in cases of equivocal staining for CMV in GI biopsies.