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5. Non-functional pancreatic neuroendocrine tumours: ATRX/DAXX and alternative lengthening of telomeres (ALT) are prognostically independent from ARX/PDX1 expression and tumour size

Author

Pathologie Groep Brosens, Cancer, Pathologie Pathologen staf, Pathologie, MS Endocriene Oncologie, Heelkunde Opleiding, MS CGO, Hackeng, Wenzel M, Brosens, Lodewijk A A, Kim, Joo Young, O'Sullivan, Roderick, Sung, You-Na, Liu, Ta-Chiang, Cao, Dengfeng, Heayn, Michelle, Brosnan-Cashman, Jacqueline, An, Soyeon, Morsink, Folkert H M, Heidsma, Charlotte M, Valk, Gerlof D, Vriens, Menno R, Nieveen van Dijkum, Els, Offerhaus, G Johan A, Dreijerink, Koen M A, Zeh, Herbert, Zureikat, Amer H, Hogg, Melissa, Lee, Kenneth, Geller, David, Marsh, J Wallis, Paniccia, Alessandro, Ongchin, Melanie, Pingpank, James F, Bahary, Nathan, Aijazi, Muaz, Brand, Randall, Chennat, Jennifer, Das, Rohit, Fasanella, Kenneth E, Khalid, Asif, McGrath, Kevin, Sarkaria, Savreet, Singh, Harkirat, Slivka, Adam, Nalesnik, Michael, Han, Xiaoli, Nikiforova, Marina N, Lawlor, Rita Teresa, Mafficini, Andrea, Rusev, Boris, Corbo, Vincenzo, Luchini, Claudio, Bersani, Samantha, Pea, Antonio, Cingarlini, Sara, Landoni, Luca, Salvia, Roberto, Milione, Massimo, Milella, Michele, Scarpa, Aldo, Hong, Seung-Mo, Heaphy, Christopher M, Singhi, Aatur D, Pathologie Groep Brosens, Cancer, Pathologie Pathologen staf, Pathologie, MS Endocriene Oncologie, Heelkunde Opleiding, MS CGO, Hackeng, Wenzel M, Brosens, Lodewijk A A, Kim, Joo Young, O'Sullivan, Roderick, Sung, You-Na, Liu, Ta-Chiang, Cao, Dengfeng, Heayn, Michelle, Brosnan-Cashman, Jacqueline, An, Soyeon, Morsink, Folkert H M, Heidsma, Charlotte M, Valk, Gerlof D, Vriens, Menno R, Nieveen van Dijkum, Els, Offerhaus, G Johan A, Dreijerink, Koen M A, Zeh, Herbert, Zureikat, Amer H, Hogg, Melissa, Lee, Kenneth, Geller, David, Marsh, J Wallis, Paniccia, Alessandro, Ongchin, Melanie, Pingpank, James F, Bahary, Nathan, Aijazi, Muaz, Brand, Randall, Chennat, Jennifer, Das, Rohit, Fasanella, Kenneth E, Khalid, Asif, McGrath, Kevin, Sarkaria, Savreet, Singh, Harkirat, Slivka, Adam, Nalesnik, Michael, Han, Xiaoli, Nikiforova, Marina N, Lawlor, Rita Teresa, Mafficini, Andrea, Rusev, Boris, Corbo, Vincenzo, Luchini, Claudio, Bersani, Samantha, Pea, Antonio, Cingarlini, Sara, Landoni, Luca, Salvia, Roberto, Milione, Massimo, Milella, Michele, Scarpa, Aldo, Hong, Seung-Mo, Heaphy, Christopher M, and Singhi, Aatur D

Published
2022

10. Non-functional pancreatic neuroendocrine tumours: ATRX/DAXX and alternative lengthening of telomeres (ALT) are prognostically independent from ARX/PDX1 expression and tumour size

Author

Hackeng, Wenzel M, primary, Brosens, Lodewijk A A, additional, Kim, Joo Young, additional, O'Sullivan, Roderick, additional, Sung, You-Na, additional, Liu, Ta-Chiang, additional, Cao, Dengfeng, additional, Heayn, Michelle, additional, Brosnan-Cashman, Jacqueline, additional, An, Soyeon, additional, Morsink, Folkert H M, additional, Heidsma, Charlotte M, additional, Valk, Gerlof D, additional, Vriens, Menno R, additional, Nieveen van Dijkum, Els, additional, Offerhaus, G Johan A, additional, Dreijerink, Koen M A, additional, Zeh, Herbert, additional, Zureikat, Amer H, additional, Hogg, Melissa, additional, Lee, Kenneth, additional, Geller, David, additional, Marsh, J Wallis, additional, Paniccia, Alessandro, additional, Ongchin, Melanie, additional, Pingpank, James F, additional, Bahary, Nathan, additional, Aijazi, Muaz, additional, Brand, Randall, additional, Chennat, Jennifer, additional, Das, Rohit, additional, Fasanella, Kenneth E, additional, Khalid, Asif, additional, McGrath, Kevin, additional, Sarkaria, Savreet, additional, Singh, Harkirat, additional, Slivka, Adam, additional, Nalesnik, Michael, additional, Han, Xiaoli, additional, Nikiforova, Marina N, additional, Lawlor, Rita Teresa, additional, Mafficini, Andrea, additional, Rusev, Boris, additional, Corbo, Vincenzo, additional, Luchini, Claudio, additional, Bersani, Samantha, additional, Pea, Antonio, additional, Cingarlini, Sara, additional, Landoni, Luca, additional, Salvia, Roberto, additional, Milione, Massimo, additional, Milella, Michele, additional, Scarpa, Aldo, additional, Hong, Seung-Mo, additional, Heaphy, Christopher M, additional, and Singhi, Aatur D, additional

Published
2021
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15. 374 A SYSTEMATIC EVALUATION OF CELL LINEAGE AMONG NONFUNCTIONAL PANCREATIC NEUROENDOCRINE TUMORS (PANNETS) AND THEIR RELATIONSHIP TO GENOMIC ALTERATIONS ASSOCIATED WITH METASTATIC DISEASE AND POOR PATIENT SURVIVAL

Author

Aijazi, Muaz, primary, Singhi, Aatur, additional, Nalesnik, Michael A., additional, O'Sullivan, Roderick, additional, Roy, Somak, additional, Lee, Kenneth, additional, Bahary, Nathan, additional, Brand, Randall, additional, Chennat, Jennifer, additional, Kenneth, Fasanella, additional, McGrath, Kevin, additional, Nikiforova, Marina N., additional, Slivka, Adam, additional, Hogg, Melissa E., additional, Zeh, Herbert J., additional, and Zureikat, Amer H., additional

Published
2020
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23. Non-functional pancreatic neuroendocrine tumours: ATRX/DAXX and alternative lengthening of telomeres (ALT) are prognostically independent from ARX/PDX1 expression and tumour size

Author

Hackeng, Wenzel M, Brosens, Lodewijk A A, Kim, Joo Young, O'Sullivan, Roderick, Sung, You-Na, Liu, Ta-Chiang, Cao, Dengfeng, Heayn, Michelle, Brosnan-Cashman, Jacqueline, An, Soyeon, Morsink, Folkert H M, Heidsma, Charlotte M, Valk, Gerlof D, Vriens, Menno R, Nieveen van Dijkum, Els, Offerhaus, G Johan A, Dreijerink, Koen M A, Zeh, Herbert, Zureikat, Amer H, Hogg, Melissa, Lee, Kenneth, Geller, David, Marsh, J Wallis, Paniccia, Alessandro, Ongchin, Melanie, Pingpank, James F, Bahary, Nathan, Aijazi, Muaz, Brand, Randall, Chennat, Jennifer, Das, Rohit, Fasanella, Kenneth E, Khalid, Asif, McGrath, Kevin, Sarkaria, Savreet, Singh, Harkirat, Slivka, Adam, Nalesnik, Michael, Han, Xiaoli, Nikiforova, Marina N, Lawlor, Rita Teresa, Mafficini, Andrea, Rusev, Boris, Corbo, Vincenzo, Luchini, Claudio, Bersani, Samantha, Pea, Antonio, Cingarlini, Sara, Landoni, Luca, Salvia, Roberto, Milione, Massimo, Milella, Michele, Scarpa, Aldo, Hong, Seung-Mo, Heaphy, Christopher M, and Singhi, Aatur D

Abstract

ObjectiveRecent studies have found aristaless-related homeobox gene (ARX)/pancreatic and duodenal homeobox 1 (PDX1), alpha-thalassemia/mental retardation X-linked (ATRX)/death domain-associated protein (DAXX) and alternative lengthening of telomeres (ALT) to be promising prognostic biomarkers for non-functional pancreatic neuroendocrine tumours (NF-PanNETs). However, they have not been comprehensively evaluated, especially among small NF-PanNETs (≤2.0 cm). Moreover, their status in neuroendocrine tumours (NETs) from other sites remains unknown.DesignAn international cohort of 1322 NETs was evaluated by immunolabelling for ARX/PDX1 and ATRX/DAXX, and telomere-specific fluorescence in situ hybridisation for ALT. This cohort included 561 primary NF-PanNETs, 107 NF-PanNET metastases and 654 primary, non-pancreatic non-functional NETs and NET metastases. The results were correlated with numerous clinicopathological features including relapse-free survival (RFS).ResultsATRX/DAXX loss and ALT were associated with several adverse prognostic findings and distant metastasis/recurrence (p<0.001). The 5-year RFS rates for patients with ATRX/DAXX-negative and ALT-positive NF-PanNETs were 40% and 42% as compared with 85% and 86% for wild-type NF-PanNETs (p<0.001 and p<0.001). Shorter 5-year RFS rates for ≤2.0 cm NF-PanNETs patients were also seen with ATRX/DAXX loss (65% vs 92%, p=0.003) and ALT (60% vs 93%, p<0.001). By multivariate analysis, ATRX/DAXX and ALT status were independent prognostic factors for RFS. Conversely, classifying NF-PanNETs by ARX/PDX1 expression did not independently correlate with RFS. Except for 4% of pulmonary carcinoids, ATRX/DAXX loss and ALT were only identified in primary (25% and 29%) and NF-PanNET metastases (62% and 71%).ConclusionsATRX/DAXX and ALT should be considered in the prognostic evaluation of NF-PanNETs including ≤2.0 cm tumours, and are highly specific for pancreatic origin among NET metastases of unknown primary.

Published
2022
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24. Intraoperative assessment of pulmonary artery pressure using transesophageal echocardiography in patients undergoing cardiac surgery

Author

Zaki, John F., primary, Aijazi, Muaz, additional, Wong, Michael A., additional, Choi, Warren, additional, Moise, Ovidiu L., additional, Tran, Stephanie F., additional, Pawelek, Timothy R., additional, Zhou, Shao F., additional, Sheinbaum, Roy, additional, Fonseca, Alexandra C., additional, and Markham, Travis, additional

Published
2018
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27. Splenic infarction in alcoholic hepatitis.

Author

Aijazi M, Gill B, Kalaria A, and Ahuja A

Abstract

Splenic infarctions have been reported in cirrhotic patients with comorbidities (e.g., primary biliary cirrhosis), but there is little to no mention of spontaneous splenic infarction in alcoholic hepatitis. This condition is notable, as splenic function has been shown to decrease in alcoholic liver disease, but the exact pathophysiology has been unclear. We describe a relatively young cirrhotic woman who developed splenic infarctions in the setting of alcoholic hepatitis., (Copyright © 2020 Baylor University Medical Center.)

Published
2020
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28. Intraoperative assessment of pulmonary artery pressure using transesophageal echocardiography in patients undergoing cardiac surgery.

Author

Zaki JF, Aijazi M, Wong MA, Choi W, Moise OL, Tran SF, Pawelek TR, Zhou SF, Sheinbaum R, Fonseca AC, and Markham T

Abstract

We performed a retrospective chart review to investigate a potential relation between pulmonary artery (PA) diameter as measured by intraoperative transesophageal echocardiography and PA pressures measured by PA catheter with the aim of determining whether main PA diameter can aid clinicians in the diagnosis of PA hypertension. A total of 82 adult patients undergoing cardiac surgery were included in our study. Main PA diameter showed a moderate correlation with systolic and diastolic pressures, r  = 0.576 (95% confidence interval [CI], 0.407-0.703), P  < 0.001, and r  = 0.504 (95% CI, 0.319-0.648), P  < 0.001, respectively. The authors believe that although a moderate correlation exists between main PA diameter and PA pressure, confounding hemodynamic variables prevent main PA diameter from being an accurate and reliable means of diagnosing PA hypertension.

Published
2018
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