Virchows Archiv
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#1David J. Papke (Brigham and Women's Hospital)H-Index: 8
#2Andre M. Oliveira (Mayo Clinic)H-Index: 56
Last. Christopher D.M. Fletcher (Brigham and Women's Hospital)H-Index: 163
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Nodular fasciitis is a benign myofibroblastic neoplasm that characteristically enlarges rapidly and then usually regresses spontaneously. While the vast majority of tumors are benign, there are rare reports of morphologically benign nodular fasciitis giving rise to metastases, not predictable on histologic grounds. Here, we report what we believe is an example of morphologically malignant nodular fasciitis, which occurred in the upper extremity of a 7-year-old male. The tumor was composed of sho...
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#1C van Dooijeweert (UU: Utrecht University)H-Index: 3
#2P. J. Van Diest (UU: Utrecht University)H-Index: 64
Last. Ian O. Ellis (University of Nottingham)H-Index: 144
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Histologic grading has been a simple and inexpensive method to assess tumor behavior and prognosis of invasive breast cancer grading, thereby identifying patients at risk for adverse outcomes, who may be eligible for (neo)adjuvant therapies. Histologic grading needs to be performed accurately, on properly fixed specimens, and by adequately trained dedicated pathologists that take the time to diligently follow the protocol methodology. In this paper, we review the history of histologic grading, d...
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#1Tania FranceschiniH-Index: 1
#2Francesco VasuriH-Index: 17
Last. Antonia D'ErricoH-Index: 33
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Liver biopsy is crucial for the diagnosis of autoimmune hepatitis (AIH), and new reproducible histological criteria would be highly desirable, especially in acute-on-chronic cases. The aims of the present study were (i) to evaluate the AIH histopathological criteria as a function of the time and modality of AIH onset, and (ii) to validate the count of apoptotic bodies in the portal tracts as a histopathological criterion for AIH diagnosis. Sixty-five patients were retrospectively enrolled: 20 un...
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#1Philipp Jurmeister (Humboldt University of Berlin)H-Index: 9
#2Claudia Vollbrecht (Humboldt University of Berlin)H-Index: 4
Last. Annette Fisseler-Eckhoff (Helios Dr. Horst Schmidt Kliniken Wiesbaden)H-Index: 21
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With this external quality assessment (EQA) scheme, we aim to investigate the diagnostic performance of the currently available methods for the detection of ALK alterations in non-small cell lung cancer on a national scale, namely, in situ hybridization (ISH), immunohistochemistry (IHC), and RNA/DNA sequencing (NGS). The EQA scheme cohort consisted of ten specimens, including four ALK positive and six ALK negative samples, which were thoroughly pretested using IHC, ISH, and RNA/DNA NGS. Unstaine...
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#1Serena Ammendola (University of Verona)H-Index: 3
#2Nicolò Caldonazzi (University of Brescia)
Last. Aldo Scarpa (University of Verona)H-Index: 99
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Oligodendroglioma is defined by IDH mutation and 1p/19q codeletion. The latter is mutually exclusive to ATRX immunohistochemical loss and has been recently associated with the loss of H3K27me3 immunostaining. We aimed to assess the diagnostic and prognostic value of H3K27me3 immuno-expression in diffuse gliomas with oligodendroglial or mixed oligoastrocytic morphology. H3K27me3 immunostaining was performed in 69 diffuse gliomas with oligodendroglial (n = 62) or oligoastrocytic (n = 7) morphology...
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#1Nazim BenzerdjebH-Index: 4
#2Peggy Dartigues (Institut Gustave Roussy)H-Index: 22
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Epithelioid mesothelioma is the most prevalent subtype of diffuse malignant peritoneal mesothelioma. A recently described nuclear-grading system predicted survival in patients with epithelioid malignant pleural mesothelioma. The present study was undertaken to validate this grading system in epithelioid malignant peritoneal mesothelioma (EMPM) and to compare to combined grade, including nuclear atypia, mitotic count, and tumor necrosis. Cases of EMPM, from 1995 to 2018, were analyzed from 7 Fren...
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#1Fermin Person (University Hospital of Basel)H-Index: 6
#2Sara C. Meyer (University Hospital of Basel)H-Index: 16
Last. Thomas Menter (University Hospital of Basel)H-Index: 16
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Myeloproliferative neoplasms (MPN) are a heterogeneous group of hematological disorders presenting with an increased proliferation in one or several hematological cell lines. Renal manifestations of MPN have not been fully characterized so far. To morphologically assess the potential renal involvement in MPN patients, we analyzed histomorphological findings of a post-mortem cohort (n = 57) with a disease history of Philadelphia-negative MPN including polycythaemia vera, primary myelofibrosis, es...
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#1Gábor CserniH-Index: 40
#2Aoife MaguireH-Index: 12
Last. Anikó Kovács (Sahlgrenska University Hospital)H-Index: 20
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Sentinel lymph node biopsy (SLNB) has become the preferred method of surgical pathological nodal staging of early breast cancer by the end of the nineties. As the most likely sites of metastasis, the SLNs allow a more precise staging, and indeed gross sectioning, step sectioning, immunohistochemistry, and molecular staging methods have been used to disclose metastatic involvement of these lymph nodes. This review summarizes the backgrounds of SLNB, trends in related surgery and pathology. It als...
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#1Zeyu Yang (CAS: Chinese Academy of Sciences)
Last. Wang Yang (CAS: Chinese Academy of Sciences)
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Lymph node metastases are strongly associated with unfavorable prognosis in papillary thyroid carcinoma (PTC) patients. However, there are few sensitive or specific indicators that can diagnose or predict lymph node metastases in PTC. The objective of our study was to identify reliable indicators for the diagnosis and prediction of lymph node metastases of PTC. The PTC data set was obtained from The Cancer Genome Atlas (TCGA) cohort. Information on tumor-infiltrating immune cells in PTC was acqu...
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#1Luis Veloza (UNIL: University of Lausanne)
#2Chun-Yi Tsai (UNIL: University of Lausanne)
Last. Laurence de Leval (UNIL: University of Lausanne)H-Index: 58
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Intravascular large B-cell lymphoma is a rare and aggressive EBV-negative large B-cell lymphoma with a dismal outcome. Here, we describe the case of a 76-year-old HIV-positive patient with an acute presentation of systemic symptoms and rapidly fatal outcome. Autopsy revealed a disseminated large B-cell lymphoma with an intravascular distribution involving the liver, lymph nodes, spleen, and bone marrow and associated to fibrin thrombi in hepatic capillary haemangiomas. The neoplastic B cells (CD...
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