Journal of Pathology and Translational Medicine

Most-read articles are from the articles published in 2023 during the last three month.

Reviews

A stepwise approach to fine needle aspiration cytology of lymph nodes: Yosep Chong, Gyeongsin Park, Hee Jeong Cha, Hyun-Jung Kim, Chang Suk Kang, Jamshid Abdul-Ghafar, Seung-Sook Lee; J Pathol Transl Med. 2023;57(4):196-207. Published online July 11, 2023; DOI: https://doi.org/10.4132/jptm.2023.06.12

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The cytological diagnosis of lymph node lesions is extremely challenging because of the diverse diseases that cause lymph node enlargement, including both benign and malignant or metastatic lymphoid lesions. Furthermore, the cytological findings of different lesions often resemble one another. A stepwise diagnostic approach is essential for a comprehensive diagnosis that combines: clinical findings, including age, sex, site, multiplicity, and ultrasonography findings; low-power reactive, metastatic, and lymphoma patterns; high-power population patterns, including two populations of continuous range, small monotonous pattern and large monotonous pattern; and disease-specific diagnostic clues including granulomas and lymphoglandular granules. It is also important to remember the histological features of each diagnostic category that are common in lymph node cytology and to compare them with cytological findings. It is also essential to identify a few categories of diagnostic pitfalls that often resemble lymphomas and easily lead to misdiagnosis, particularly in malignant small round cell tumors, poorly differentiated squamous cell carcinomas, and nasopharyngeal undifferentiated carcinoma. Herein, we review a stepwise approach for fine needle aspiration cytology of lymphoid diseases and suggest a diagnostic algorithm that uses this approach and the Sydney classification system.

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Development and Validation of Explainable Artificial Intelligence System for Automatic Diagnosis of Cervical Lymphadenopathy From Ultrasound Images
Ming Xu, Yubiao Yue, Zhenzhang Li, Yinhong Li, Guoying Li, Haihua Liang, Di Liu, Xiaohong Xu, Mohamadreza (Mohammad) Khosravi
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Immunocytochemical markers, molecular testing and digital cytopathology for aspiration cytology of metastatic breast carcinoma
Joshua J. X. Li, Gary M. Tse
Cytopathology.2024; 35(2): 218. CrossRef
Response to comment on “A stepwise approach to fine needle aspiration cytology of lymph nodes”
Yosep Chong, Gyeongsin Park, Hee Jeong Cha, Hyun-Jung Kim, Chang Suk Kang, Jamshid Abdul-Ghafar, Seung-Sook Lee
Journal of Pathology and Translational Medicine.2024; 58(1): 43. CrossRef
Comment on “A stepwise approach to fine needle aspiration cytology of lymph nodes”
Elisabetta Maffei, Valeria Ciliberti, Pio Zeppa, Alessandro Caputo
Journal of Pathology and Translational Medicine.2024; 58(1): 40. CrossRef
The Incidence of Thyroid Cancer in Bethesda III Thyroid Nodules: A Retrospective Analysis at a Single Endocrine Surgery Center
Iyad Hassan, Lina Hassan, Nahed Balalaa, Mohamad Askar, Hussa Alshehhi, Mohamad Almarzooqi
Diagnostics.2024; 14(10): 1026. CrossRef
Efficiency of Fine-Needle Aspiration (FNA) in Relation to Tru-Cut Biopsy of Lateral Neck Swellings
Mohammed S Al Olaimat, Fahad S Al Qooz, Zaid R Alzoubi, Elham M Alsharaiah, Ali S Al Murdif, Mohammad O Alanazi
Cureus.2024;[Epub] CrossRef
Pitfalls in the Cytological Diagnosis of Nodal Hodgkin Lymphoma
Uma Handa, Rasheeda Mohamedali, Rajpal Singh Punia, Simrandeep Singh, Ranjeev Bhagat, Phiza Aggarwal, Manveen Kaur
Diagnostic Cytopathology.2024; 52(12): 715. CrossRef
Rapid 3D imaging at cellular resolution for digital cytopathology with a multi-camera array scanner (MCAS)
Kanghyun Kim, Amey Chaware, Clare B. Cook, Shiqi Xu, Monica Abdelmalak, Colin Cooke, Kevin C. Zhou, Mark Harfouche, Paul Reamey, Veton Saliu, Jed Doman, Clay Dugo, Gregor Horstmeyer, Richard Davis, Ian Taylor-Cho, Wen-Chi Foo, Lucas Kreiss, Xiaoyin Sara J
npj Imaging.2024;[Epub] CrossRef

A standardized pathology report for gastric cancer: 2nd edition: Young Soo Park, Myeong-Cherl Kook, Baek-hui Kim, Hye Seung Lee, Dong-Wook Kang, Mi-Jin Gu, Ok Ran Shin, Younghee Choi, Wonae Lee, Hyunki Kim, In Hye Song, Kyoung-Mee Kim, Hee Sung Kim, Guhyun Kang, Do Youn Park, So-Young Jin, Joon Mee Kim, Yoon Jung Choi, Hee Kyung Chang, Soomin Ahn, Mee Soo Chang, Song-Hee Han, Yoonjin Kwak, An Na Seo, Sung Hak Lee, Mee-Yon Cho; J Pathol Transl Med. 2023;57(1):1-27. Published online January 15, 2023; DOI: https://doi.org/10.4132/jptm.2022.12.23

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Abstract PDF Supplementary Material

The first edition of ‘A Standardized Pathology Report for Gastric Cancer’ was initiated by the Gastrointestinal Pathology Study Group of the Korean Society of Pathologists and published 17 years ago. Since then, significant advances have been made in the pathologic diagnosis, molecular genetics, and management of gastric cancer (GC). To reflect those changes, a committee for publishing a second edition of the report was formed within the Gastrointestinal Pathology Study Group of the Korean Society of Pathologists. This second edition consists of two parts: standard data elements and conditional data elements. The standard data elements contain the basic pathologic findings and items necessary to predict the prognosis of GC patients, and they are adequate for routine surgical pathology service. Other diagnostic and prognostic factors relevant to adjuvant therapy, including molecular biomarkers, are classified as conditional data elements to allow each pathologist to selectively choose items appropriate to the environment in their institution. We trust that the standardized pathology report will be helpful for GC diagnosis and facilitate large-scale multidisciplinary collaborative studies.

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Spatial and Temporal Tumor Heterogeneity in Gastric Cancer: Discordance of Predictive Biomarkers
Hye Seung Lee
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Yunjoo Cho, Soomin Ahn, Kyoung-Mee Kim
Journal of Gastric Cancer.2025; 25(1): 177. CrossRef
Korean Gastric Cancer Association-Led Nationwide Survey on Surgically Treated Gastric Cancers in 2023
Dong Jin Kim, Jeong Ho Song, Ji-Hyeon Park, Sojung Kim, Sin Hye Park, Cheol Min Shin, Yoonjin Kwak, Kyunghye Bang, Chung-sik Gong, Sung Eun Oh, Yoo Min Kim, Young Suk Park, Jeesun Kim, Ji Eun Jung, Mi Ran Jung, Bang Wool Eom, Ki Bum Park, Jae Hun Chung, S
Journal of Gastric Cancer.2025; 25(1): 115. CrossRef
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Sang Soo Eom, Keun Won Ryu, Hye Sook Han, Seong-Ho Kong
Journal of Gastric Cancer.2025; 25(1): 153. CrossRef
Korea, Japan, Europe, and the United States: Why are guidelines for gastric cancer different?
Emily E. Stroobant, Seong-Ho Kong, Maria Bencivenga, Takahiro Kinoshita, Tae-Han Kim, Takeshi Sano, Giovanni de Manzoni, Han-Kwang Yang, Yuko Kitagawa, Vivian E. Strong
Gastric Cancer.2025; 28(4): 559. CrossRef
Genomic and Transcriptomic Characterization of Gastric Cancer with Bone Metastasis
Sujin Oh, Soo Kyung Nam, Keun-Wook Lee, Hye Seung Lee, Yujun Park, Yoonjin Kwak, Kyu Sang Lee, Ji-Won Kim, Jin Won Kim, Minsu Kang, Young Suk Park, Sang-Hoon Ahn, Yun-Suhk Suh, Do Joong Park, Hyung Ho Kim
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Yeshong Park, Yeon Bi Han, Jinju Kim, MeeYoung Kang, Boram Lee, Eun Sung Ahn, Saemi Han, Haeryoung Kim, Hee-Young Na, Ho-Seong Han, Yoo-Seok Yoon
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Effect of Neoadjuvant Chemotherapy on Tumor-Infiltrating Lymphocytes in Resectable Gastric Cancer: Analysis from a Western Academic Center
Elliott J. Yee, Danielle Gilbert, Jeffrey Kaplan, Sachin Wani, Sunnie S. Kim, Martin D. McCarter, Camille L. Stewart
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Interpretation of PD-L1 expression in gastric cancer: summary of a consensus meeting of Korean gastrointestinal pathologists
Soomin Ahn, Yoonjin Kwak, Gui Young Kwon, Kyoung-Mee Kim, Moonsik Kim, Hyunki Kim, Young Soo Park, Hyeon Jeong Oh, Kyoungyul Lee, Sung Hak Lee, Hye Seung Lee
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Expression of claudin 18.2 in poorly cohesive carcinoma and its association with clinicopathologic parameters in East Asian patients
Moonsik Kim, Byung Woog Kang, Jihyun Park, Jin Ho Baek, Jong Gwang Kim
Pathology - Research and Practice.2024; 263: 155628. CrossRef
Clinicopathological analysis of claudin 18.2 focusing on intratumoral heterogeneity and survival in patients with metastatic or unresectable gastric cancer
T.-Y. Kim, Y. Kwak, S.K. Nam, D. Han, D.-Y. Oh, S.-A. Im, H.S. Lee
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Pathological Interpretation of Gastric Tumors in Endoscopic Submucosal Dissection
Jung Yeon Kim
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Histopathology of Gastric Cancer
Baek-hui Kim, Sung Hak Lee
The Korean Journal of Helicobacter and Upper Gastrointestinal Research.2023; 23(2): 143. CrossRef
Endoscopic submucosal dissection hands-on training with artificial mucosal layer EndoGEL
Tae-Se Kim, Jun Haeng Lee
Journal of Innovative Medical Technology.2023; 1(1): 5. CrossRef

A review of liver fibrosis and cirrhosis regression: Michael J. Lee; J Pathol Transl Med. 2023;57(4):189-195. Published online June 20, 2023; DOI: https://doi.org/10.4132/jptm.2023.05.24

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Abstract PDF

Cirrhosis has traditionally been considered an irreversible process of end-stage liver disease. With new treatments for chronic liver disease, there is regression of fibrosis and cirrhosis, improvement in clinical parameters (i.e. liver function and hemodynamic markers, hepatic venous pressure gradient), and survival rates, demonstrating that fibrosis and fibrolysis are a dynamic process moving in two directions. Microscopically, hepatocytes push into thinning fibrous septa with eventual perforation leaving behind delicate periportal spikes in the portal tracts and loss of portal veins. Obliterated portal veins during progressive fibrosis and cirrhosis due to parenchymal extinction, vascular remodeling and thrombosis often leave behind a bile duct and hepatic artery within the portal tract. Traditional staging classification systems focused on a linear, progressive process; however, the Beijing classification system incorporates both the bidirectional nature for the progression and regression of fibrosis. However, even with regression, vascular lesions/remodeling, parenchymal extinction and a cumulative mutational burden place patients at an increased risk for developing hepatocellular carcinoma and should continue to undergo active clinical surveillance. It is more appropriate to consider cirrhosis as another stage in the evolution of chronic liver disease as a bidirectional process rather than an end-stage, irreversible state.

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Natural History of Metabolic Dysfunction-Associated Steatotic Liver Disease: From Metabolic Syndrome to Hepatocellular Carcinoma
Melchor Alpízar Salazar, Samantha Estefanía Olguín Reyes, Andrea Medina Estévez, Julieta Alejandra Saturno Lobos, Jesús Manuel De Aldecoa Castillo, Juan Carlos Carrera Aguas, Samary Alaniz Monreal, José Antonio Navarro Rodríguez, Dulce María Fernanda Alpí
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Sathiyamoorthy Padmanaban, Ji-Won Baek, Sai Sahithya Chamarthy, Saipriya Chandrasekaran, Antony V Samrot, Vijayakumar Gosu, In-Kyu Park, Kamalakannan Radhakrishnan, Don-Kyu Kim
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Ashok Kumar Sah, Mohd Afzal, Rabab H. Elshaikh, Anass M. Abbas, Manar G. Shalabi, Pranav Kumar Prabhakar, Asaad M. A. Babker, Fariza Tursunbaevna Khalimova, Velilyaeva Aliya Sabrievna, Ranjay Kumar Choudhary
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Inhibition of hepatic stellate cell activation by nutraceuticals: an emphasis on mechanisms of action
Vasudevan Sekar, Venkateish VP, Vani Vijay, Annapoorna BR, Nivya Vijayan, Madan Kumar Perumal
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Tatjana Radosavljevic, Dusan Vukicevic, Jasmina Djuretić, Kristina Gopcevic, Milica Labudovic Borovic, Sanja Stankovic, Janko Samardzic, Milica Radosavljevic, Danijela Vucevic, Vladimir Jakovljevic
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Multiomic predictors for regression of cirrhosis: Clinical implications and future directions
Binghua Li, Decai Yu
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Cyriac Abby Philips
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Jakub Piekara, Dorota Piasecka-Kwiatkowska
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Jesús García-Bañuelos, Edén Oceguera-Contreras, Ana Sandoval-Rodríguez, Blanca Estela Bastidas-Ramírez, Silvia Lucano-Landeros, Daniela Gordillo-Bastidas, Belinda C. Gómez-Meda, Arturo Santos, Eira Cerda-Reyes, Juan Armendariz-Borunda
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Aneurysmal bone cyst: a review: Elham Nasri, John David Reith; J Pathol Transl Med. 2023;57(2):81-87. Published online March 14, 2023; DOI: https://doi.org/10.4132/jptm.2023.02.23

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Abstract PDF

Aneurysmal bone cyst (ABC) is a benign locally destructive bone neoplasm composed of multi-loculated blood-filled cystic spaces. The most common sites of involvement are the meta-diaphysis of the long bones and posterior elements of the vertebrae. Secondary, ABC-like changes can complicate a variety of other benign and malignant primary bone neoplasms, including giant cell tumor, fibrous dysplasia, and osteosarcoma. About two-third of primary ABCs have a rearrangement of the USP6 gene, which is not present in the ABC-like changes that occur secondary to other primary bone tumors (i.e., secondary ABC). Primary ABC of bone carries a variable but generally high rate of local recurrence. This paper provides an overview of the pathophysiology, clinical presentation, radiographic and pathologic findings, treatment, and prognosis of ABC.

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Long‐Term Outcomes of Temporal Bone Aneurysmal Bone Cysts: Ambispective Study With Systematic Review and Pooled Analysis
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Newsletters

What’s new in neuropathology 2024: CNS WHO 5th edition updates: Heather Smith, Jared T. Ahrendsen; J Pathol Transl Med. 2024;58(6):346-349. Published online September 30, 2024; DOI: https://doi.org/10.4132/jptm.2024.09.11

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Abstract PDF

The fifth edition of the World Health Organization (WHO) Classification of Central Nervous System (CNS) Tumors was released in 2021, just five years following the updated fourth edition. Advanced molecular testing such as next-generation sequencing, RNA fusion analysis, and DNA methylation profiling has led to more precise grading and classification of pre-existing tumor types as well as the recognition of new ones. Herein, we outline the major updates of the 2021 WHO Classification of CNS tumors, with emphasis on the expanded molecular characterization of CNS tumors.

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Bioinformatics insights into ACSL1 and ACSL5: prognostic and immune roles in low-grade glioma
Cheng Zhang, Zhonghua Lv, Hongsheng Liang, Fulan Hu, Haoran Bi
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Aghdas Ramezani, Maryam Rahnama, Fatemeh Mahmoudian, Fatemeh Shirazi, Mahmoud Ganji, Shohreh Bakhshi, Bahman Khalesi, Zahra Sadat Hashemi, Saeed Khalili
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Diagnostic Utility of Intratumoral Susceptibility Signals in Adult Diffuse Gliomas: Tumor Grade Prediction and Correlation with Molecular Markers Within the WHO CNS5 (2021) Classification
José Ignacio Tudela Martínez, Victoria Vázquez Sáez, Guillermo Carbonell, Héctor Rodrigo Lara, Florentina Guzmán-Aroca, Juan de Dios Berna Mestre
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What’s new in thyroid pathology 2024: updates from the new WHO classification and Bethesda system: Andrey Bychkov, Chan Kwon Jung; J Pathol Transl Med. 2024;58(2):98-101. Published online March 13, 2024; DOI: https://doi.org/10.4132/jptm.2024.03.06

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Abstract PDF

In line with the release of the 5th edition WHO Classification of Tumors of Endocrine Organs (2022) and the 3rd edition of the Bethesda System for Reporting Thyroid Cytopathology (2023), the field of thyroid pathology and cytopathology has witnessed key transformations. This digest brings to the fore the refined terminologies, newly introduced categories, and contentious methodological considerations pivotal to the updated classification.

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Reviews

Interpretation of PD-L1 expression in gastric cancer: summary of a consensus meeting of Korean gastrointestinal pathologists: Soomin Ahn, Yoonjin Kwak, Gui Young Kwon, Kyoung-Mee Kim, Moonsik Kim, Hyunki Kim, Young Soo Park, Hyeon Jeong Oh, Kyoungyul Lee, Sung Hak Lee, Hye Seung Lee; J Pathol Transl Med. 2024;58(3):103-116. Published online April 25, 2024; DOI: https://doi.org/10.4132/jptm.2024.03.15

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Abstract PDF Supplementary Material

Nivolumab plus chemotherapy in the first-line setting has demonstrated clinical efficacy in patients with human epidermal growth factor receptor 2–negative advanced or metastatic gastric cancer, and is currently indicated as a standard treatment. Programmed death-ligand 1 (PD-L1) expression is an important biomarker for predicting response to anti–programmed death 1/PD-L1 agents in several solid tumors, including gastric cancer. In the CheckMate-649 trial, significant clinical improvements were observed in patients with PD-L1 combined positive score (CPS) ≥ 5, determined using the 28-8 pharmDx assay. Accordingly, an accurate interpretation of PD-L1 CPS, especially at a cutoff of 5, is important. The CPS method evaluates both immune and tumor cells and provides a comprehensive assessment of PD-L1 expression in the tumor microenvironment of gastric cancer. However, CPS evaluation has several limitations, one of which is poor interobserver concordance among pathologists. Despite these limitations, clinical indications relying on PD-L1 CPS are increasing. In response, Korean gastrointestinal pathologists held a consensus meeting for the interpretation of PD-L1 CPS in gastric cancer. Eleven pathologists reviewed 20 PD-L1 slides with a CPS cutoff close to 5, stained with the 28-8 pharmDx assay, and determined the consensus scores. The issues observed in discrepant cases were discussed. In this review, we present cases of gastric cancer with consensus PD-L1 CPS. In addition, we briefly touch upon current practices and clinical issues associated with assays used for the assessment of PD-L1 expression in gastric cancer.

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Adjuvant immunotherapy in patients with resected gastric and oesophagogastric junction cancer following preoperative chemotherapy with high risk for recurrence (ypN+ and/or R1): European Organisation of Research and Treatment of Cancer (EORTC) 1707 VESTIG
F. Lordick, M.E. Mauer, G. Stocker, C.A. Cella, I. Ben-Aharon, G. Piessen, L. Wyrwicz, G. Al-Haidari, T. Fleitas-Kanonnikoff, V. Boige, R. Lordick Obermannová, U.M. Martens, C. Gomez-Martin, P. Thuss-Patience, V. Arrazubi, A. Avallone, K.K. Shiu, P. Artru
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Perspectives on single-nucleus RNA sequencing in different cell types and tissues: Nayoung Kim, Huiram Kang, Areum Jo, Seung-Ah Yoo, Hae-Ock Lee; J Pathol Transl Med. 2023;57(1):52-59. Published online January 10, 2023; DOI: https://doi.org/10.4132/jptm.2022.12.19

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Abstract PDF

Single-cell RNA sequencing has become a powerful and essential tool for delineating cellular diversity in normal tissues and alterations in disease states. For certain cell types and conditions, there are difficulties in isolating intact cells for transcriptome profiling due to their fragility, large size, tight interconnections, and other factors. Single-nucleus RNA sequencing (snRNA-seq) is an alternative or complementary approach for cells that are difficult to isolate. In this review, we will provide an overview of the experimental and analysis steps of snRNA-seq to understand the methods and characteristics of general and tissue-specific snRNA-seq data. Knowing the advantages and limitations of snRNA-seq will increase its use and improve the biological interpretation of the data generated using this technique.

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Original Article

Thoracic aortic calcification as a predictor of coronary artery disease: a systematic review and meta-analysis: Hussein Nafakhi, Alaa Salah Jumaah, Akeel Abed Yasseen; J Pathol Transl Med. 2025;59(3):161-170. Published online April 30, 2025; DOI: https://doi.org/10.4132/jptm.2025.03.05

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Abstract PDF Supplementary Material: Background
The relationship between coronary atherosclerosis (progression, outcome) and calcification in the thoracic aorta (TAC), particularly across its various segments, is complex and often shows conflicting associations in the literature. To address this debated and complex relationship, we aimed to evaluate how TAC and its segments correlate with the presence and severity of coronary artery disease (CAD).
Methods
We reviewed all articles published between January 1990 and September 2024 that examined the link between TAC and CAD and were indexed in PubMed, Scopus, or EMBASE. Using a random-effects model, we calculated pooled proportions, odds ratios, and corresponding 95% confidence intervals (CIs) to evaluate the association between TAC and CAD, with consideration of severity.
Results
The study included 17 studies with 8,187 participants, 2,775 of whom had CAD (1,059 with severe CAD), and 5,412 of whom did not. The pooled odds ratio of TAC in patients with CAD compared to that in those without was 3.874 (95% CI, 2.789 to 5.381). For severe CAD versus mild CAD, the odds ratio was 8.005 (95% CI, 2.611 to 24.542). Calcification of the aortic root (pooled proportion, 51%; 95% CI, 0.282 to 0.733) or descending aorta (pooled proportion, 53.4%; 95% CI, 0.341 to 0.718) had the strongest association with CAD compared to calcification of the arch or ascending aorta.
Conclusions
TAC is significantly associated with both the presence and severity of CAD. Calcification in the descending aorta and aortic root is more strongly linked to CAD than calcification in the arch or ascending aorta.

Review

Breast fine-needle aspiration cytology in the era of core-needle biopsy: what is its role?: Ahrong Kim, Hyun Jung Lee, Jee Yeon Kim; J Pathol Transl Med. 2025;59(1):26-38. Published online January 15, 2025; DOI: https://doi.org/10.4132/jptm.2024.11.01; Correction in: J Pathol Transl Med 2025;59(2):147

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255 Download
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Abstract PDF

Fine-needle aspiration cytology (FNAC) has long been recognized as a minimally invasive, cost-effective, and reliable diagnostic tool for breast lesions. However, with the advent of core-needle biopsy (CNB), the role of FNAC has diminished in some clinical settings. This review aims to re-evaluate the diagnostic value of FNAC in the current era, focusing on its complementary use alongside CNB, the adoption of new approaches such as the International Academy of Cytology Yokohama System, and the implementation of rapid on-site evaluation to reduce inadequate sample rates. Advances in liquid-based cytology, receptor expression testing, molecular diagnostics, and artificial intelligence are discussed, highlighting their potential to enhance the diagnostic accuracy of FNAC. Despite challenges, FNAC remains a valuable diagnostic method, particularly in low-resource settings and specific clinical scenarios, and its role continues to evolve with technology.

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Bulk-lysis protocols as a sensitive method for investigation of circulating CK19 cells in the peripheral blood of patients with breast cancer by flow cytometry
Daniella Serafin Couto Vieira, Laura Otto Walter, Maria Eduarda Cunha da Silva, Lisandra de Oliveira Silva, Heloísa Zorzi Costa, Chandra Chiappin Cardoso, Fernando Carlos de Lander Schmitt, Maria Cláudia Santos-Silva
Analytical Methods.2025; 17(23): 4771. CrossRef

Original Article

Diagnostic yield of fine needle aspiration with simultaneous core needle biopsy for thyroid nodules: Mohammad Ali Hasannia, Ramin Pourghorban, Hoda Asefi, Amir Aria, Elham Nazar, Hojat Ebrahiminik, Alireza Mohamadian; J Pathol Transl Med. 2025;59(3):180-187. Published online April 16, 2025; DOI: https://doi.org/10.4132/jptm.2025.03.04

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Abstract PDF: Background
Fine needle aspiration (FNA) is a widely utilized technique for assessing thyroid nodules; however, its inherent non-diagnostic rate poses diagnostic challenges. The present study aimed to evaluate and compare the diagnostic efficacy of FNA, core needle biopsy (CNB), and their combined application in the assessment of thyroid nodules.
Methods
A total of 56 nodules from 50 patients was analyzed using both FNA and simultaneous CNB. The ultrasound characteristics were categorized according to the American College of Radiology Thyroid Imaging Reporting and Data Systems classification system. The study compared the sensitivity, specificity, and accuracy of FNA, CNB, and the combination of the two techniques.
Results
The concordance between FNA and CNB was notably high, with a kappa coefficient of 0.837. The sensitivity for detecting thyroid malignancy was found to be 25.0% for FNA, 66.7% for CNB, and 83.3% for the combined FNA/CNB approach, with corresponding specificities of 84.6%, 97.4%, and 97.4%. The accuracy of the FNA/CNB combination was the highest at 94.1%.
Conclusions
The findings of this study indicate that both CNB and the FNA/CNB combination offer greater diagnostic accuracy for thyroid malignancy compared to FNA alone, with no significant complications reported. Integrating CNB with FNA findings may enhance management strategies and treatment outcomes for patients with thyroid nodules.

Reviews

Cytologic hallmarks and differential diagnosis of papillary thyroid carcinoma subtypes: Agnes Stephanie Harahap, Chan Kwon Jung; J Pathol Transl Med. 2024;58(6):265-282. Published online November 7, 2024; DOI: https://doi.org/10.4132/jptm.2024.10.11

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Abstract PDF

Papillary thyroid carcinoma (PTC) is the most common thyroid malignancy, characterized by a range of subtypes that differ in their cytologic features, clinical behavior, and prognosis. Accurate cytologic evaluation of PTC using fine-needle aspiration is essential but can be challenging due to the morphologic diversity among subtypes. This review focuses on the distinct cytologic characteristics of various PTC subtypes, including the classic type, follicular variant, tall cell, columnar cell, hobnail, diffuse sclerosing, Warthin-like, solid/trabecular, and oncocytic PTCs. Each subtype demonstrates unique nuclear features, architectural patterns, and background elements essential for diagnosis and differentiation from other thyroid lesions. Recognizing these distinct cytologic patterns is essential for identifying aggressive subtypes like tall cell, hobnail, and columnar cell PTCs, which have a higher risk of recurrence, metastasis, and poorer clinical outcomes. Additionally, rare subtypes such as diffuse sclerosing and Warthin-like PTCs present unique cytologic profiles that must be carefully interpreted to avoid diagnostic errors. The review also highlights the cytologic indicators of lymph node metastasis and high-grade features, such as differentiated high-grade thyroid carcinoma. The integration of molecular testing can further refine subtype diagnosis by identifying specific genetic mutations. A thorough understanding of these subtype-specific cytologic features and molecular profiles is vital for accurate diagnosis, risk stratification, and personalized management of PTC patients. Future improvements in diagnostic techniques and standardization are needed to enhance cytologic evaluation and clinical decision-making in thyroid cancer.

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Nuclear pseudoinclusion is associated with BRAFV600E mutation: Analysis of nuclear features in papillary thyroid carcinoma
Agnes Stephanie Harahap, Dina Khoirunnisa, Salinah, Maria Francisca Ham
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2025 Korean Thyroid Association Clinical Management Guideline on Active Surveillance for Low-Risk Papillary Thyroid Carcinoma
Eun Kyung Lee, Min Joo Kim, Seung Heon Kang, Bon Seok Koo, Kyungsik Kim, Mijin Kim, Bo Hyun Kim, Ji-hoon Kim, Shin Je Moon, Kyorim Back, Young Shin Song, Jong-hyuk Ahn, Hwa Young Ahn, Ho-Ryun Won, Won Sang Yoo, Min Kyoung Lee, Jeongmin Lee, Ji Ye Lee, Kyo
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Cervical intraepithelial neoplasia and cervical cytology in pregnancy: Ji-Young Kim, Jeong Yun Shim; J Pathol Transl Med. 2024;58(6):283-290. Published online November 7, 2024; DOI: https://doi.org/10.4132/jptm.2024.10.17

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Abstract PDF: Cervical cancer screening during pregnancy presents unique challenges for cytologic interpretation. This review focuses on pregnancy-associated cytomorphological changes and their impact on diagnosis of cervical intraepithelial neoplasia (CIN) and cervical cancer. Pregnancy-induced alterations include navicular cells, hyperplastic endocervical cells, immature metaplastic cells, and occasional decidual cells or trophoblasts. These changes can mimic abnormalities such as koilocytosis, adenocarcinoma in situ, and high-grade squamous intraepithelial lesions, potentially leading to misdiagnosis. Careful attention to nuclear features and awareness of pregnancy-related changes are crucial for correct interpretation. The natural history of CIN during pregnancy shows higher regression rates, particularly for CIN 2, with minimal risk of progression. Management of abnormal cytology follows modified risk-based guidelines to avoid invasive procedures, with treatment typically deferred until postpartum. The findings reported in this review emphasize the importance of considering pregnancy status in cytological interpretation, highlight potential problems, and provide guidance on differentiating benign pregnancy-related changes from true abnormalities. Understanding these nuances is essential for accurate diagnosis and proper management of cervical abnormalities in pregnant women.

Original Article

Lessons learned from the first 2 years of experience with thyroid core needle biopsy at an Indonesian national referral hospital: Agnes Stephanie Harahap, Maria Francisca Ham, Retno Asti Werdhani, Erwin Danil Julian, Rafi Ilmansyah, Chloe Indira Arfelita Mangunkusumso, Tri Juli Edi Tarigan; J Pathol Transl Med. 2025;59(3):149-160. Published online April 25, 2025; DOI: https://doi.org/10.4132/jptm.2025.02.19

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139 Download

Abstract PDF: Background
Core needle biopsy (CNB) improves diagnostic accuracy by providing precise tissue sampling for histopathological evaluation, overcoming the limitation of inconclusive fine-needle aspiration results. This study evaluated the diagnostic performance of CNB in assessing thyroid nodules, with additional analysis of the benefits of BRAF V600E and RAS Q61R immunohistochemical (IHC) markers.
Methods
This retrospective study enrolled patients with thyroid nodules who underwent CNB at Dr. Cipto Mangunkusumo Hospital, Jakarta, from July 2022 to July 2024. CNB diagnoses were classified using the Korean Thyroid Association Criteria. Diagnostic efficacy was evaluated for neoplastic and malignant lesions, both independently and with BRAF V600E and RAS Q61R IHC. The correlation between nodule size and postoperative diagnosis was also analyzed.
Results
A total of 338 thyroid nodule samples was included, and 52.7% were classified as CNB category II. In the 104 samples with postoperative diagnoses, category IV was the most prevalent (39.4%). CNB demonstrated a sensitivity of 74% and a specificity of 100% for neoplastic lesions and 23.8% sensitivity and 100% specificity for malignant lesions. Combining CNB with BRAF V600E and RAS Q1R IHC increased the sensitivity to 77% for neoplastic lesions and 28.8% for malignant lesions. Larger nodules (>3 cm) were significantly associated with neoplastic (p = .005) and malignant lesions (p = .004).
Conclusions
CNB performs well in identifying neoplastic lesions, with or without BRAF V600E and RAS Q61R IHC, but its low sensitivity for malignant lesions warrants caution. While CNB categories V–VI indicate malignancy, the possibility of malignancy in categories I–IV should not be overlooked.

Review

Inflammatory bowel disease–associated intestinal fibrosis: Ji Min Park, Jeongseok Kim, Yoo Jin Lee, Sung Uk Bae, Hye Won Lee; J Pathol Transl Med. 2023;57(1):60-66. Published online January 10, 2023; DOI: https://doi.org/10.4132/jptm.2022.11.02

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392 Download
25 Web of Science
25 Crossref

Abstract PDF

Fibrosis is characterized by a proliferation of fibroblasts and excessive extracellular matrix following chronic inflammation, and this replacement of organ tissue with fibrotic tissue causes a loss of function. Inflammatory bowel disease (IBD) is a chronic inflammation of the gastrointestinal tract, and intestinal fibrosis is common in IBD patients, resulting in several complications that require surgery, such as a stricture or penetration. This review describes the pathogenesis and various factors involved in intestinal fibrosis in IBD, including cytokines, growth factors, epithelial-mesenchymal and endothelial-mesenchymal transitions, and gut microbiota. Furthermore, histopathologic findings and scoring systems used for stenosis in IBD are discussed, and differences in the fibrosis patterns of ulcerative colitis and Crohn’s disease are compared. Biomarkers and therapeutic agents targeting intestinal fibrosis are briefly mentioned at the end.

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Food & Function.2024; 15(18): 9254. CrossRef
Gut microbiota and mesenteric adipose tissue interactions in shaping phenotypes and treatment strategies for Crohn’s disease
Anis Hasnaoui, Racem Trigui, Mario Giuffrida
World Journal of Gastroenterology.2024; 30(46): 4969. CrossRef
Pathways Affected by Falcarinol-Type Polyacetylenes and Implications for Their Anti-Inflammatory Function and Potential in Cancer Chemoprevention
Ruyuf Alfurayhi, Lei Huang, Kirsten Brandt
Foods.2023; 12(6): 1192. CrossRef
Time to eRAASe chronic inflammation: current advances and future perspectives on renin-angiotensin-aldosterone-system and chronic intestinal inflammation in dogs and humans
Romy M. Heilmann, Georg Csukovich, Iwan A. Burgener, Franziska Dengler
Frontiers in Veterinary Science.2023;[Epub] CrossRef
Role of the epithelial barrier in intestinal fibrosis associated with inflammatory bowel disease: relevance of the epithelial-to mesenchymal transition
Dulce C. Macias-Ceja, M. Teresa Mendoza-Ballesteros, María Ortega-Albiach, M. Dolores Barrachina, Dolores Ortiz-Masià
Frontiers in Cell and Developmental Biology.2023;[Epub] CrossRef

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