Pathology

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Review Cell Biology

Mesothelioma in situ of the peritoneum: report of three cases and review of the literature

Emily Symes, Melissa Tjota, Brittany Cody, Hedy Kindler, Owen Mitchell, Hunter Witmer, Kiran Turaga, Jeffrey Mueller, Thomas Krausz, Aliya N. Husain, Huihua Li

Summary: This study investigates the morphologic features and results of ancillary testing in peritoneal mesothelioma in situ (MIS). The results show that loss of BAP1 is present in all three cases, and NGS reveals pathogenic alterations in BAP1 as well as mutations in other genes. The study highlights the importance of ancillary studies in the diagnosis of MIS.

HISTOPATHOLOGY (2023)

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Letter Cell Biology

Practical approach to scoring HER2 immunohistochemistry in breast cancer in the wake of updated guidelines

Puay Hoon Tan, Gudi Mihir, Natthawadee Laokulrath, Emad Rakha

HISTOPATHOLOGY (2023)

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Article Medicine, Legal

The last jump: epidemiology of suicides at the Tour Eiffel (Paris) between 1950 and 1989

Virginie Bourdin, Guillaume Mulier, Sophie Calle, Nathalie Minart, Philippe Charlier

Summary: This study aimed to determine the patterns of people who committed suicide by jumping near the Eiffel Tower in Paris. Analysis of unpublished records from the Paris Police Prefecture revealed that there were significantly more males than females who chose jumping as a suicide method. The peak of suicide occurred in August and October, while February had few suicide cases. Most suicides were associated with psychiatric pathologies, and the majority of cases resulted in death. Interestingly, there was a decrease in suicides on Mondays and a peak in suicide rate at noon. The implementation of protective measures in the early 1960s successfully reduced the overall number of suicides, as jumping is a convenient and close-range method.

FORENSIC SCIENCE MEDICINE AND PATHOLOGY (2023)

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Article Pathology

SMARCB1-deficient sinonasal adenocarcinoma: a rare variant of SWI/SNF-deficient malignancy often misclassified as high-grade non-intestinal-type sinonasal adenocarcinoma or myoepithelial carcinoma

Alena Skalova, Touraj Taheri, Martina Bradova, Tomas Vanecek, Alessandro Franchi, David Slouka, Tomas Kostlivy, Gisele de Rezende, Jaroslav Michalek, Natalie Klubickova, Nicola Ptakova, Antonia Nemcova, Michal Michal, Abbas Agaimy, Ilmo Leivo

Summary: SMARCB1-deficient sinonasal adenocarcinoma is a rare variant of SWI/SNF-deficient malignancies characterized by SMARCB1 loss and adenocarcinoma features. Alterations in the SMARCB1 gene are common in these tumors, and patients have a poor prognosis.

VIRCHOWS ARCHIV (2023)

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Review Cell Biology

PD-L1 expression in vulvar cancer: a systematic review and meta-analysis

Louise Baandrup, Freja Laerke Sand, Gitte Lerche Aalborg, Trine J. Nottrup, Anne-Marie K. Fiehn, Susanne K. Kjaer

Summary: This study conducted a meta-analysis to examine the prevalence of PD-L1 positivity in vulvar cancer. The results showed that PD-L1 expression in vulvar cancer is frequent but there is high heterogeneity between studies. There was no strong variation in PD-L1 prevalence according to HPV status and stage.

HISTOPATHOLOGY (2023)

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Article Cell Biology

Teratoma-associated and so-called pure Wilms tumour of the ovary represent two separate tumour types with distinct molecular features

Felix K. F. Kommoss, Anne-Sophie Chong, Maria Apellaniz-Ruiz, Gulisa Turashvili, Kay J. Park, Krisztina Hanley, Elvis Terci Valera, Andreas von Deimling, Gordan Vujanic, W. Glenn McCluggage, William D. Foulkes

Summary: In this study, we comprehensively characterized a series of five tumours originally diagnosed as ovarian WT, and found that teratoma-associated tumours and pure ovarian WT exhibit diverging morphological and molecular features.

HISTOPATHOLOGY (2023)

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Article Pathology

Concomitant Non-V600E BRAF and KRAS Mutations in Colorectal Carcinoma by Next-Generation Sequencing: A Distinct Subtype

Pallavi Srivastava, Sridhar Mishra, Saumya Shukla, Pooja Sharma, Nuzhat Husain

Summary: This study reports a case of colorectal carcinoma with inguinal lymph node metastases harboring both KRAS and non-V600E BRAF mutations, which is rarely reported in the literature. The study emphasizes the clinical, pathological, and therapeutic implications of the mutation and provides a review of the relevant literature.

INTERNATIONAL JOURNAL OF SURGICAL PATHOLOGY (2023)

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Article Dermatology

Intraoral primary syphilis mimicking lymphoproliferative disorder

Larissa Doalla de Almeida e Silva, Evanio Vilela Silva, Heitor Albergoni Silveira, Herberth Campos Silva, Fernando Chahud, Jorge Esquiche Leon, Ana Terezinha Marques Mesquita

Summary: Syphilis can mimic various diseases, both clinically and microscopically. This study presents a case of oral syphilis initially misdiagnosed as a lymphoproliferative disorder based on histological features, highlighting the importance of immunohistochemistry in accurate diagnosis.

JOURNAL OF CUTANEOUS PATHOLOGY (2023)

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Article Cell Biology

NR1D1-rearranged soft tissue tumour: A clinicopathological and molecular analysis of four additional cases

Tangchen Yin, Peipei Zhu, I. Weng Lao, Lin Yu, Qianming Bai, Xiaoyan Zhou, Jian Wang

Summary: This study reports four additional cases of NR1D1-rearranged soft tissue tumour, expanding its clinicopathological and molecular spectrum. The occurrence of two additional tumours in the head and neck region, description of a small round cell variant, and identification of novel partner genes were observed. More studies on larger series are required to validate the malignant potential of this tumour.

HISTOPATHOLOGY (2023)

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Article Pathology

Placental Histopathologic Findings in Fetal Hereditary Pyropoikilocytosis after Undergoing Successful Intrauterine Transfusion

Anna Dar, Rachel Brancamp, Garrett S. Booth, Caitlin E. Hughes

Summary: This article presents the histopathologic findings associated with intrauterine transfusion in a case of hereditary red cell disorder, including changes in placental structure and organization.

FETAL AND PEDIATRIC PATHOLOGY (2023)

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Article Oncology

CSGALNACT2 restricts ovarian cancer migration and invasion by modulating MAPK/ERK pathway through DUSP1

Mingjun Ma, Chao Wang, Meixuan Wu, Sijia Gu, Jiani Yang, Yue Zhang, Shanshan Cheng, Shilin Xu, Minghai Zhang, Yongsong Wu, Yaqian Zhao, Xiu Tian, Dominic Chih-Cheng Voon, Chiaki Takahashi, Jindan Sheng, Yu Wang

Summary: CSGALNACT2 downregulation inhibits the development of ovarian cancer and may serve as a prognostic biomarker in patients with ovarian cancer.

CELLULAR ONCOLOGY (2023)

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Article Clinical Neurology

Clinicopathologic features of a novel star-shaped transactive response DNA-binding protein 43 (TDP-43) pathology in the oldest old

Arenn F. Carlos, Hiroaki Sekiya, Shunsuke Koga, Rodolfo G. Gatto, Monica Castanedes Casey, Nha Trang Thu Pham, Irene Sintini, Mary M. Machulda, Clifford R. Jack, Val J. Lowe, Jennifer L. Whitwell, Leonard Petrucelli, R. Ross Reichard, Ronald C. Petersen, Dennis W. Dickson, Keith A. Josephs

Summary: We have identified a novel TDP-43 pathology with star-shaped morphology associated with superaging, with a homogeneous clinicopathologic picture, possibly representing a novel, true aging-related TDP-43 pathology.

JOURNAL OF NEUROPATHOLOGY AND EXPERIMENTAL NEUROLOGY (2023)

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Article Cell Biology

CSF cytology of common primary CNS neoplasms categorized by CNS WHO 2021

Mohammad Salimian, Angela N. Viaene, Jason Chang, Cheng-Ying Ho

Summary: This article explores the cytological characteristics of common CNS neoplasms in CSF specimens, aligning with the 2021 WHO classification of CNS tumors.

CYTOPATHOLOGY (2023)

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Article Immunology

Anemia in liver transplant recipients: prevalence, severity, risk factors, and survival

Nina oksnes Hegland, Omid Rezahosseini, Christian Ross Pedersen, Dina Leth Moller, Terese Brun Bugge, Neval Ete Wareham, Nicoline Stender Arentoft, Jens Hillingso, Thomas Kromann Lund, Allan Rasmussen, Susanne Dam Nielsen

Summary: This study investigated the prevalence and severity of anemia in liver transplant recipients, as well as the risk factors and impact on one-year survival. The results showed that anemia was common in liver transplant recipients, but did not affect the one-year survival rate.

APMIS (2023)

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Article Cell Biology

Donor aKIR genes influence the risk of EBV and CMV reactivation after anti-thymocyte globulin-based haploidentical hematopoietic stem cell transplantation

Fei Gao, Zhuoyue Shi, Jimin Shi, Yi Luo, Jian Yu, Huarui Fu, Xiaoyu Lai, Lizhen Liu, Zhiyang Yuan, Zhongzheng Zheng, He Huang, Yanmin Zhao

Summary: A retrospective study found that donor activated killer immunoglobin-like receptor (aKIR) genes may have a synergistic effect on CMV and EBV reactivation after hematopoietic stem cell transplantation (HSCT). In patients with lymphoid disease, Tel B/x and KIR2DS3 genes offered the best protection against EBV and CMV reactivation. In patients with myeloid disease, grafts lacking Tel B/x and KIR2DS5 genes correlated with the lowest risk of CMV reactivation.

HLA (2023)

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Article Dentistry, Oral Surgery & Medicine

Calibration improves the agreement in grading oral epithelial dysplasia-Findings from a National Workshop in Malaysia

Thomas George Kallarakkal, Zuraiza Mohamad Zaini, Wan Maria Nabillah Ghani, Lee Peng Karen-Ng, B. S. M. S. Siriwardena, Sok Ching Cheong, Wanninayake Mudiyanselage Tilakaratne

Summary: The study shows that calibration of oral pathologists on OED grading can improve the reproducibility of the grading systems.

JOURNAL OF ORAL PATHOLOGY & MEDICINE (2023)

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Review Law

School violence in Saudi Arabia: A scoping review

Omar Abdulqader Bamalan, Mohammed Abdulmohsen AlSharit, Khalil Ibrahim Sabbagh, Abdullah Haleem Abuzaid, Hussain Jawad Aljubran, Waleed Abdullah Alzahrani, Nader Mohammed Alosaimi, Ritesh G. Menezes

Summary: This study provides a scoping review of school violence in Saudi Arabia, discussing the adversities and related aspects from a Saudi Arabian perspective. The findings indicate that male students are more likely to engage in physical violence, while females tend to engage in verbal violence. School violence has significant effects on students' mental wellbeing and academic performance.

MEDICINE SCIENCE AND THE LAW (2023)

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Article Pathology

Analysis of hospital length of stay and cost savings with an in-house heparin-induced thrombocytopenia antibody assay at a midsized institution

Caitlin Raymond, Michael O'Rourke, Liesel Dell'Osso, Charles Golding, Christopher Zahner

Summary: This study aimed to determine the impact of an in-house HIT antibody assay on patient hospital length of stay (LOS) and assess cost savings. The results showed a mean LOS reduction of 3.97 days in the in-house cohort, primarily driven by patients with negative assay results. The estimated cost savings were significant, indicating the importance of implementing this assay in the hospital.

AMERICAN JOURNAL OF CLINICAL PATHOLOGY (2023)

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Article Medicine, Legal

Fatal coronary perforation during percutaneous coronary intervention: The medico-legal interest in establishing the correlation between in vivo imaging and post-mortem histopathology

Guido Pelletti, Clara Fiorentini, Filippo Pirani, Paolo Fais, Susi Pelotti

Summary: In this case, the correlation between in vivo imaging and post-mortem histopathology not only facilitated the precise localization of the coronary perforation but also had significant medico-legal implications in the assessment of presumed medical liability.

FORENSIC SCIENCE MEDICINE AND PATHOLOGY (2023)

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Article Pathology

Primary Mucinous Cystadenocarcinoma of the Breast: Clinicopathological Analysis of a Case and Difficulties Encountered in a Biopsy

Mine Ozsen, Sahsine Tolunay, Mustafa Sehsuvar Gokgoz, Adem Deligonul

Summary: This case report aims to enrich scientific data and present possible difficulties encountered in the biopsy materials by sharing the clinicopathological features of mucinous cystadenocarcinoma, a new and extremely rare entity.

INTERNATIONAL JOURNAL OF SURGICAL PATHOLOGY (2023)

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