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Virchows Archiv: An International Journal of Pathology

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https://www.readbyqxmd.com/read/29147924/monoclonal-gammopathy-of-renal-significance-presenting-as-monotypic-plasma-cell-interstitial-nephritis-in-two-patients-with-sj%C3%A3-gren-s-syndrome
#1
Arzu Saglam, Seda Balaban, Tolga Yıldırım, Yunus Erdem, Aysegul Uner, Yahya Büyükaşık
No abstract text is available yet for this article.
November 16, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29147923/anti-aminoacyl-trna-synthetase-related-myositis-and-dermatomyositis-clues-for-differential-diagnosis-on-muscle-biopsy
#2
Bruna Cerbelli, Annalinda Pisano, Serena Colafrancesco, Maria Gemma Pignataro, Marco Biffoni, Silvia Berni, Antonia De Luca, Valeria Riccieri, Roberta Priori, Guido Valesini, Giulia d'Amati, Carla Giordano
Anti-synthetase syndrome is an autoimmune disease characterized by autoantibodies toward amino acyl-tRNA synthetases (ARS), anti-Jo 1 being the most commonly detected. Muscle damage develops in up to 90% of ARS-positive patients, characterized by a necrotizing myositis restricted to the perifascicular region. This topographic distribution of muscle damage may lead to a misdiagnosis of dermatomyositis (DM) at muscle biopsy. We compared morphological, immunohistochemical, and histoenzymatic features of muscle from ARS-positive patients (n = 11) with those of DM (n = 7) providing clues for their differential diagnosis...
November 16, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29143111/correction-to-abstracts-29th-european-congress-of-pathology
#3
M Farinha, J Ribeiro, D Montezuma, A Pires-Luís, P Lopes, H Sousa, L Afonso, R Henrique
In Poster Sessions, the first-author name was missing from the authorship group originally listed for Abstract PS-13-001 (page S176), entitled "Gastric carcinoma with lymphoid stroma: Analysis of microsatellite instability and Epstein-Barr virus status". The correct authorship group is shown above.
November 16, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29143110/correction-to-abstracts-29th-european-congress-of-pathology
#4
M Farinha, D Montezuma, A Pires-Luís, A Silva, C Castro, F Castro, J Abreu, C Leal
In Poster Sessions, the first-author name was missing from the authorship group originally listed for Abstract PS-01-004 (page S52), entitled "Clinicopathological features of microinvasive breast cancer". The correct authorship group is shown above.
November 16, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29143109/correction-to-abstracts-29th-european-congress-of-pathology
#5
L Mikhaleva, A Birukov, N Shakhpazyan, R Vandysheva
Due to an error with the registration system, the following abstract was regrettably omitted from the Poster Sessions. The abstract should have been included as PS-13-116 and displayed on page S199.
November 16, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29143108/immune-checkpoint-inhibitor-colitis-the-flip-side-of-the-wonder-drugs
#6
Naziheh Assarzadegan, Elizabeth Montgomery, Robert A Anders
Immune checkpoint inhibitors block the co-inhibitory receptors on T cells to activate their cytotoxic immune function and are rapidly being explored for the treatment of various advanced-stage malignancies. These novel drugs have already significantly increased survival rates. The first available immune checkpoint inhibitors were cytotoxic T lymphocyte antigen 4 (CTLA-4) inhibitors (such as ipilimumab), followed by programmed cell death protein 1 (PD-1) and programmed cell death protein ligand 1 (PD-L1) inhibitors (such as pembrolizumab and nivolumab)...
November 15, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29134441/correction-to-abstracts-29th-european-congress-of-pathology
#7
S Lopes Petronilho, D Montezuma, R Vieira, A L Cunha, R Henrique, C Bartosch
In Oral Free Paper Sessions, the first-author name was missing from the authorship group originally listed for Abstract OFP-04-012 (page S14), entitled "Differentiating primary pulmonary squamous cell carcinoma from squamous cell carcinoma of the cervix metastatic to the lung: Histological and immunohistochemistry study".
November 14, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29134440/ki67-labeling-index-assessment-and-prognostic-role-in-gastroenteropancreatic-neuroendocrine-neoplasms
#8
REVIEW
Günter Klöppel, Stefano La Rosa
In 1983, a monoclonal antibody, Ki67, was generated, that labeled the nuclei of proliferating non-neoplastic and neoplastic cells. The name Ki67 derived from the city of Kiel (Ki) where the antibody was produced in the university department of pathology and refers to the number of the original clone (67). Systematic assessment of the proliferative activity of tumors using Ki67 started in the 1990s, when Ki67, which only worked on frozen tissue, was complemented by the antibody MIB-1 that also worked in formalin-fixed tissues...
November 13, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29134439/treatment-related-survival-associations-of-claudin-2-expression-in-fibroblasts-of-colorectal-cancer
#9
Artur Mezheyeuski, Carina Strell, Ina Hrynchyk, Tormod Kyrre Guren, Anca Dragomir, Tatyana Doroshenko, Oksana Pashkova, Julia Gorgun, Kseniya Ruksha, Per Pfeiffer, Elin H Kure, Halfdan Sorbye, David Edler, Anna Martling, Bengt Glimelius, Arne Östman, Anna Portyanko
Claudin-2 is a trans-membrane protein-component of tight junctions in epithelial cells. Elevated claudin-2 expression has been reported in colorectal cancer (CRC). The aim of this study was to investigate the expression patterns of claudin-2 in human CRC samples and analyze its association with clinical characteristics and treatment outcome. TMAs of primary tumors from two cohorts of metastatic CRC (mCRC) were used. Claudin-2 IHC staining was evaluated in a semi-quantitative manner in different regions and cell types...
November 13, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29128969/in-vasculitis-of-small-muscular-arteries-activation-of-vessel-infiltrating-cd8-t-cells-seems-to-be-antigen-independent
#10
Mikiko Kobayashi, Eisaku Ogawa, Ryuhei Okuyama, Hiroyuki Kanno
The etiology of polyarteritis nodosa (PAN) and localized PAN is still unknown, although a T cell-mediated immune mechanism has been considered. CD8 T cells participate not only in the antigen-dependent adaptive immune system, but also in the antigen-independent innate immune system. Non-antigen-activated CD8 T cells express a unique phenotype: granzyme B (GrB) positive /CD25 negative /programmed death-1 (PD-1) negative. The aims of this study were to assess the participation of T cells, especially innate CD8 T cells, in the development of vasculitis...
November 11, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29127497/book-review-diagnostic-pathology-thoracic-2nd-edition
#11
Giuseppe Pelosi, Nikolaos Papanikolaou
No abstract text is available yet for this article.
November 10, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29127496/classification-of-eosinophilic-disorders-of-the-small-and-large-intestine
#12
Aoife J McCarthy, Kieran Sheahan
Eosinophilic gastrointestinal diseases (EGIDs), including eosinophilic gastroenteritis and eosinophilic colitis, have been increasing in prevalence in Western countries in recent years. Eosinophils are normally scanty in the gastrointestinal tract, and increased numbers of eosinophils can denote pathology. Normal values for tissue eosinophils vary widely between different segments of the colon, thus location of the biopsy is critically important for the interpretation of findings. However, no standard diagnostic criteria have been proposed for the diagnosis of eosinophilic gastroenteritis or eosinophilic colitis...
November 10, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29127495/size-and-heterologous-elements-predict-metastases-in-malignant-phyllodes-tumours-of-the-breast
#13
Valerie Cui Yun Koh, Aye Aye Thike, Nur Diyana Md Nasir, George Wai Cheong Yip, Boon Huat Bay, Puay Hoon Tan
Phyllodes tumours (PTs) of the breast are uncommon fibroepithelial neoplasms comprising 0.3-1.0% of all primary breast tumours. The majority of PTs are benign and generally well managed with surgery. However, malignant PTs, and occasionally borderline PTs, can behave in a clinically aggressive manner by metastasizing to distant organs. Although distant metastasis is rare, the prognosis of patients with metastasis is dismal as many are unresponsive to standard chemotherapy and the risk of death is high. In this study, we correlated clinicopathological parameters to survival outcomes in a cohort of patients diagnosed with malignant PTs in our institution...
November 10, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29124332/sexually-transmitted-infections-of-the-lower-gastrointestinal-tract
#14
Rahul Jawale, Keith K Lai, Laura W Lamps
The World Health Organization estimates that there is greater than one million new cases of sexually transmitted infections (STIs) every day. In many countries, STIs are at an unprecedented high, including the USA, where nearly 20 million new cases were reported in 2016. Although morbidity associated with STIs is usually seen in the context of genitourinary disease, these pathogens may also affect the gastrointestinal tract and cause anal pain, abdominal pain, or diarrhea. It is important to recognize patterns of injury associated with these pathogens, especially those that may mimic other gastrointestinal diseases, such as idiopathic inflammatory bowel disease (IBD)...
November 9, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29116389/development-of-cd3-cell-quantitation-algorithms-for-renal-allograft-biopsy-rejection-assessment-utilizing-open-source-image-analysis-software
#15
Andres Moon, Geoffrey H Smith, Jun Kong, Thomas E Rogers, Carla L Ellis, Alton B Brad Farris
Renal allograft rejection diagnosis depends on assessment of parameters such as interstitial inflammation; however, studies have shown interobserver variability regarding interstitial inflammation assessment. Since automated image analysis quantitation can be reproducible, we devised customized analysis methods for CD3+ T-cell staining density as a measure of rejection severity and compared them with established commercial methods along with visual assessment. Renal biopsy CD3 immunohistochemistry slides (n = 45), including renal allografts with various degrees of acute cellular rejection (ACR) were scanned for whole slide images (WSIs)...
November 8, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29105026/metastatic-non-small-cell-lung-carcinoma-a-mimic-of-primary-breast-carcinoma-case-series-and-literature-review
#16
Rola H Ali, Catalin Taraboanta, Tareq Mohammad, Malcolm M Hayes, Diana N Ionescu
Metastatic tumors to the breast are rare but constitute a major diagnostic dilemma. Of these, non-mammary carcinomatous metastases to the breast are particularly challenging and, without a clinical history, may be extremely difficult to distinguish from primary breast carcinoma (PBC). We specifically studied metastatic tumors of pulmonary origin, as the lung is one of the major primary sites for carcinomatous metastasis to breast. Sixteen metastatic lung tumors to the breast were identified in our archives between 1996 and 2017 including 12 non-small cell lung carcinomas (NSCLC), one large-cell neuroendocrine, one atypical carcinoid, and two small-cell carcinomas...
November 5, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29103205/diagnostic-dilemmas-in-chronic-inflammatory-bowel-disease
#17
Maurice B Loughrey, Neil A Shepherd
Histopathological assessment of biopsy and resection specimens of chronic inflammatory bowel disease (CIBD), or possible CIBD, forms a significant component of the routine workload in most tissue pathology laboratories. In this review, we have chosen selected areas of particular diagnostic difficulty in CIBD pathology, providing key advice for pathology reporting. Those mimics of CIBD which have the greatest potential for misdiagnosis are discussed, particularly the wide range of infectious colitides which represent possible diagnostic pitfalls...
November 4, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29101458/elastic-stains-in-the-evaluation-of-dcis-with-comedo-necrosis-in-breast-cancers
#18
Tamás Zombori, Gábor Cserni
As concerns the microscopic morphology of ductal carcinoma in situ (DCIS), neoplastic cells are surrounded by both a myoepithelial cell layer and a basement membrane as expected from the outer structure of ducts and lobules. However, in some cases, it is impossible to state whether the structures involved by the disease are ducts or lobules. Altogether 1220 anatomic structures involved by DCIS displaying comedo necrosis from 27 slides of 21 patients (seen on both haematoxylin and eosin-stained and orcein-stained slides) were identified as representing ducts, likely ducts, unclassifiable structures, likely acini or acini on the basis of their distribution and resemblance to normal anatomic structures...
November 3, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29086002/ctnnb1-mutated-melanocytic-lesions-with-dpn-like-features-a-distinct-subtype-of-melanocytic-tumors-a-report-of-two-cases
#19
B T Teunissen, G J Knuiman, A Eijkelenboom, C A P Wauters, S Wouda, W A M Blokx
No abstract text is available yet for this article.
October 31, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29080038/pacemaker-failure-as-a-cause-of-sudden-death
#20
LETTER
Daniel P Morin
No abstract text is available yet for this article.
October 27, 2017: Virchows Archiv: An International Journal of Pathology
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