Journal of Pathology and Translational Medicine

Original Articles

A scoring system for the diagnosis of non-alcoholic steatohepatitis from liver biopsy: Kyoungbun Lee, Eun Sun Jung, Eunsil Yu, Yun Kyung Kang, Mee-Yon Cho, Joon Mee Kim, Woo Sung Moon, Jin Sook Jeong, Cheol Keun Park, Jae-Bok Park, Dae Young Kang, Jin Hee Sohn, So-Young Jin; J Pathol Transl Med. 2020;54(3):228-236. Published online April 15, 2020; DOI: https://doi.org/10.4132/jptm.2020.03.07

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Background
Liver biopsy is the essential method to diagnose non-alcoholic steatohepatitis (NASH), but histological features of NASH are too subjective to achieve reproducible diagnoses in early stages of disease. We aimed to identify the key histological features of NASH and devise a scoring model for diagnosis.
Methods
Thirteen pathologists blindly assessed 12 histological factors and final histological diagnoses (‘not-NASH,’ ‘borderline,’ and ‘NASH’) of 31 liver biopsies that were diagnosed as non-alcoholic fatty liver disease (NAFLD) or NASH before and after consensus. The main histological parameters to diagnose NASH were selected based on histological diagnoses and the diagnostic accuracy and agreement of 12 scoring models were compared for final diagnosis and the NAFLD Activity Score (NAS) system.
Results
Inter-observer agreement of final diagnosis was fair (κ = 0.25) before consensus and slightly improved after consensus (κ = 0.33). Steatosis at more than 5% was the essential parameter for diagnosis. Major diagnostic factors for diagnosis were fibrosis except 1C grade and presence of ballooned cells. Minor diagnostic factors were lobular inflammation ( ≥ 2 foci/ × 200 field), microgranuloma, and glycogenated nuclei. All 12 models showed higher inter-observer agreement rates than NAS and post-consensus diagnosis (κ = 0.52–0.69 vs. 0.33). Considering the reproducibility of factors and practicability of the model, summation of the scores of major (× 2) and minor factors may be used for the practical diagnosis of NASH.
Conclusions
A scoring system for the diagnosis of NAFLD would be helpful as guidelines for pathologists and clinicians by improving the reproducibility of histological diagnosis of NAFLD.

Citations

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Changes in indications for outpatient percutaneous liver biopsy over 5 years: from hepatitis C to fatty liver disease
Marlone Cunha-Silva, Luíza D. Torres, Mariana F. Fernandes, Tirzah de M. Lopes Secundo, Marina C.G. Moreira, Ademar Yamanaka, Leonardo T. Monici, Larissa B. Eloy da Costa, Daniel F. Mazo, Tiago Sevá-Pereira
Gastroenterología y Hepatología.2022; 45(8): 579. CrossRef
Changes in indications for outpatient percutaneous liver biopsy over 5 years: from hepatitis C to fatty liver disease
Marlone Cunha-Silva, Luíza D. Torres, Mariana F. Fernandes, Tirzah de M. Lopes Secundo, Marina C.G. Moreira, Ademar Yamanaka, Leonardo T. Monici, Larissa B. Eloy da Costa, Daniel F. Mazo, Tiago Sevá-Pereira
Gastroenterología y Hepatología (English Edition).2022; 45(8): 579. CrossRef

Association between Expression of 8-OHdG and Cigarette Smoking in Non-small Cell Lung Cancer: Ae Ri An, Kyoung Min Kim, Ho Sung Park, Kyu Yun Jang, Woo Sung Moon, Myoung Jae Kang, Yong Chul Lee, Jong Hun Kim, Han Jung Chae, Myoung Ja Chung; J Pathol Transl Med. 2019;53(4):217-224. Published online March 11, 2019; DOI: https://doi.org/10.4132/jptm.2019.02.20

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Abstract PDF

Background
Exposure to cigarette smoking (CS) is a major risk factor for the development of lung cancer. CS is known to cause oxidative DNA damage and mutation of tumor-related genes, and these factors are involved in carcinogenesis. 8-Hydroxydeoxyguanosine (8-OHdG) is considered to be a reliable biomarker for oxidative DNA damage. Increased levels of 8-OHdG are associated with a number of pathological conditions, including cancer. There are no reports on the expression of 8-OHdG by immunohistochemistry in non-small cell lung cancer (NSCLC).
Methods
We investigated the expression of 8-OHdG and p53 in 203 NSCLC tissues using immunohistochemistry and correlated it with clinicopathological features including smoking.
Results
The expression of 8-OHdG was observed in 83.3% of NSCLC. It was significantly correlated with a low T category, negative lymph node status, never-smoker, and longer overall survival (p < .05) by univariate analysis. But multivariate analysis revealed that 8-OHdG was not an independent prognostic factor for overall survival in NSCLC patients. The aberrant expression of p53 significantly correlated with smoking, male, squamous cell carcinoma, and Ki-67 positivity (p < .05).
Conclusions
The expression of 8-OHdG was associated with good prognostic factors. It was positively correlated with never-smokers in NSCLC, suggesting that oxidative damage of DNA cannot be explained by smoking alone and may depend on complex control mechanisms.

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Brief Case Report

Iatrogenic Gastric Pseudolipomatosis during Endoscopic Submucosal Dissection: Sang Wook Kim, Woo Sung Moon; J Pathol Transl Med. 2017;51(5):513-515. Published online July 31, 2017; DOI: https://doi.org/10.4132/jptm.2017.04.25

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Unusual mucosal lesion: A case of rectal pseudolipomatosis in a 60-year-old patient
Boubacar Efared, Balandougou Sylla, Nawal Hammas, Hinde El Fatemi, Laila Chbani
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Original Articles

Interobserver Agreement on Pathologic Features of Liver Biopsy Tissue in Patients with Nonalcoholic Fatty Liver Disease: Eun Sun Jung, Kyoungbun Lee, Eunsil Yu, Yun Kyung Kang, Mee-Yon Cho, Joon Mee Kim, Woo Sung Moon, Jin Sook Jeong, Cheol Keun Park, Jae-Bok Park, Dae Young Kang, Jin Hee Sohn, So-Young Jin; J Pathol Transl Med. 2016;50(3):190-196. Published online April 18, 2016; DOI: https://doi.org/10.4132/jptm.2016.03.01

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Abstract PDF

Background
The histomorphologic criteria for the pathological features of liver tissue from patients with non-alcoholic fatty liver disease (NAFLD) remain subjective, causing confusion among pathologists and clinicians. In this report, we studied interobserver agreement of NAFLD pathologic features and analyzed causes of disagreement.
Methods
Thirty-one cases of clinicopathologically diagnosed NAFLD from 10 hospitals were selected. One hematoxylin and eosin and one Masson’s trichrome-stained virtual slide from each case were blindly reviewed with regard to 12 histological parameters by 13 pathologists in a gastrointestinal study group of the Korean Society of Pathologists. After the first review, we analyzed the causes of disagreement and defined detailed morphological criteria. The glass slides from each case were reviewed a second time after a consensus meeting. The degree of interobserver agreement was determined by multi-rater kappa statistics.
Results
Kappa values of the first review ranged from 0.0091–0.7618. Acidophilic bodies (k = 0.7618) and portal inflammation (k = 0.5914) showed high levels of agreement, whereas microgranuloma (k = 0.0984) and microvesicular fatty change (k = 0.0091) showed low levels of agreement. After the second review, the kappa values of the four major pathological features increased from 0.3830 to 0.5638 for steatosis grade, from 0.1398 to 0.2815 for lobular inflammation, from 0.1923 to 0.3362 for ballooning degeneration, and from 0.3303 to 0.4664 for fibrosis.
Conclusions
More detailed histomorphological criteria must be defined for correct diagnosis and high interobserver agreement of NAFLD.

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Artificial intelligence and deep learning: New tools for histopathological diagnosis of nonalcoholic fatty liver disease/nonalcoholic steatohepatitis
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A scoring system for the diagnosis of non-alcoholic steatohepatitis from liver biopsy
Kyoungbun Lee, Eun Sun Jung, Eunsil Yu, Yun Kyung Kang, Mee-Yon Cho, Joon Mee Kim, Woo Sung Moon, Jin Sook Jeong, Cheol Keun Park, Jae-Bok Park, Dae Young Kang, Jin Hee Sohn, So-Young Jin
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Rish K. Pai, David E. Kleiner, John Hart, Oyedele A. Adeyi, Andrew D. Clouston, Cynthia A. Behling, Dhanpat Jain, Sanjay Kakar, Mayur Brahmania, Lawrence Burgart, Kenneth P. Batts, Mark A. Valasek, Michael S. Torbenson, Maha Guindi, Hanlin L. Wang, Veeral
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Michael Estep, Rohini Mehta, Gary Bratthauer, Lakshmi Alaparthi, Fanny Monge, Simon Ali, Dinan Abdelatif, Zahra Younoszai, Maria Stepanova, Zachary D. Goodman, Zobair M. Younossi
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Guilherme Moura Cunha, Kevin J Glaser, Anke Bergman, Rodrigo P Luz, Eduardo H de Figueiredo, Flavia Paiva Proença Lobo Lopes
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Immunohistochemical Expression and Clinical Significance of Suggested Stem Cell Markers in Hepatocellular Carcinoma: Jong Jin Sung, Sang Jae Noh, Jun Sang Bae, Ho Sung Park, Kyu Yun Jang, Myoung Ja Chung, Woo Sung Moon; J Pathol Transl Med. 2016;50(1):52-57. Published online November 18, 2015; DOI: https://doi.org/10.4132/jptm.2015.10.09

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Abstract PDF

Background
Increasing evidence has shown that tumor initiation and growth are nourished by a small subpopulation of cancer stem cells (CSCs) within the tumor mass. CSCs are posited to be responsible for tumor maintenance, growth, distant metastasis, and relapse after curative operation. We examined the expression of CSC markers in paraffin-embedded tissue sections of hepatocellular carcinoma (HCC) and correlated the results with clinicopathologic characteristics. Methods: Immunohistochemical staining for the markers believed to be expressed in the CSCs, including epithelial cell adhesion molecule (EpCAM), keratin 19 (K19), CD133, and CD56, was performed in 82 HCC specimens. Results: EpCAM expression was observed in 56% of the HCCs (46/82) and K19 in 6% (5/82). EpCAM expression in HCC significantly correlated with elevated α-fetoprotein level, microvessel invasion of tumor cells, and high histologic grade. In addition, Ep- CAM expression significantly correlated with K19 expression. The overall survival and relapsefree survival rates in patients with EpCAM-expressing HCC were relatively lower than those in patients with EpCAM-negative HCC. All but two of the 82 HCCs were negative for CD133 and CD56, respectively. Conclusions: Our results suggest that HCCs expressing EpCAM are associated with unfavorable prognostic factors and have a more aggressive clinical course than those not expressing EpCAM. Further, the expression of either CD133 or CD56 in paraffin-embedded HCC tissues appears to be rare.

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Brief Case Report

Nesidioblastosis and Pancreatic Non-functioning Islet Cell Tumor in an Adult with Type 2 Diabetes Mellitus: Ji Eun Choi, Sang Jae Noh, Jong Jin Sung, Woo Sung Moon; Korean J Pathol. 2013;47(5):489-491. Published online October 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.5.489

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International Journal of Surgical Pathology.2015; 23(1): 68. CrossRef

Case Study

Multicystic Biliary Hamartoma of the Liver: Ji Soo Song, Sang Jae Noh, Baik Hwan Cho, Woo Sung Moon; Korean J Pathol. 2013;47(3):275-278. Published online June 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.3.275

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Abstract PDF

Multicystic biliary hamartoma (MCBH) is a very rare hamartomatous cystic nodule of the liver, which has recently been described as a new entity of a hepatic nodular lesion. We report a unique case of MCBH with a review of the literatures. A hepatic multicystic mass of segment 3 was detected in a 52-year-old male by abdominal computed tomography, and resection of this lesion was performed. Macroscopic examination revealed a 2.7×2.0 cm nodular mass with a multicystic honeycomb cut surface. Histologically, this lesion consisted of multiple dilated cystic ducts lined by biliary type epithelial cells, periductal glands and connective tissue, which included small amounts of hepatic parenchyma and blood vessels. Recognition of this unusual lesion is essential to avoid confusion with other cystic tumors of the liver, and to learn more about its natural history and response to treatment.

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Tetsuro Tominaga, Takafumi Abo, Naoe Kinoshita, Tomonori Murakami, Yasunori Sato, Yasuni Nakanuma, Kenich Harada, Junichi Masuda, Takeshi Nagayasu, Atsushi Nanashima
Clinical Journal of Gastroenterology.2015; 8(3): 162. CrossRef
Hamartoma biliar multiquístico intrahepático: presentación de un caso clínico
María Jezabel Fernández-Carrión, Ricardo Robles Campos, Asunción López Conesa, Roberto Brusadín, Pascual Parrilla Paricio
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Intrahepatic Multicystic Biliary Hamartoma: Presentation of a Case Report
María Jezabel Fernández-Carrión, Ricardo Robles Campos, Asunción López Conesa, Roberto Brusadín, Pascual Parrilla Paricio
Cirugía Española (English Edition).2015; 93(9): e103. CrossRef
Multicystic biliary hamartoma: A report of a rare entity and a review of the literature
Rachel E. Beard, Eric U. Yee, Koenraad J. Mortele, Khalid Khwaja
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Multicystic biliary hamartoma mimicking intrahepatic cholangiocarcinoma: report of a case
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Clinical Journal of Gastroenterology.2014; 7(5): 418. CrossRef

Brief Case Report

Mucinous Non-neoplastic Cyst of the Pancreas: Jae Do Yang, Ji Soo Song, Sang Jae Noh, Woo Sung Moon; Korean J Pathol. 2013;47(2):188-190. Published online April 24, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.2.188

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PDF

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Simple mucinous cyst: another potential cancer precursor in the pancreas? Case report with molecular characterization and systematic review of the literature
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Virchows Archiv.2021; 479(1): 179. CrossRef
Mucinous Non-neoplastic Cyst of the Pancreas
Jun Hyung Kim, Dong Eun Park, Keum Ha Choi
The Korean Journal of Gastroenterology.2019; 73(4): 235. CrossRef
Mucinous nonneoplastic cyst of the pancreas: CT and MRI appearances
Kousei Ishigami, Akihiro Nishie, Naoki Mochidome, Yoshiki Asayama, Yasuhiro Ushijima, Daisuke Kakihara, Daisuke Okamoto, Nobuhiro Fujita, Takao Ohtsuka, Yoshihiro Miyasaka, Tomoyuki Hida, Tomoharu Yoshizumi, Hiroshi Honda
Abdominal Radiology.2017; 42(12): 2827. CrossRef
Pathologic Evaluation and Reporting of Intraductal Papillary Mucinous Neoplasms of the Pancreas and Other Tumoral Intraepithelial Neoplasms of Pancreatobiliary Tract
Volkan Adsay, Mari Mino-Kenudson, Toru Furukawa, Olca Basturk, Giuseppe Zamboni, Giovanni Marchegiani, Claudio Bassi, Roberto Salvia, Giuseppe Malleo, Salvatore Paiella, Christopher L. Wolfgang, Hanno Matthaei, G. Johan Offerhaus, Mustapha Adham, Marco J.
Annals of Surgery.2016; 263(1): 162. CrossRef
Rare Nonneoplastic Cysts of Pancreas
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Original Articles

Expression of CHOP in Squamous Tumor of the Uterine Cervix: Hyun Hee Chu, Jun Sang Bae, Kyoung Min Kim, Ho Sung Park, Dong Hyu Cho, Kyu Yun Jang, Woo Sung Moon, Myoung Jae Kang, Dong Geun Lee, Myoung Ja Chung; Korean J Pathol. 2012;46(5):463-469. Published online October 25, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.5.463

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Abstract PDF

Background

High-risk human papillomavirus (HR-HPV) infection and abnormal p53 expression are closely involved in carcinogenesis of squamous cell carcinoma (SqCC) of uterine cervix. Recent studies have suggested that virus-induced endoplasmic reticulum (ER) stress modulates various cell survival and cell death signaling pathways. The C/EBP homologous protein (CHOP) is associated with ER stress-mediated apoptosis and is also involved in carcinogenesis of several human cancers. We hypothesized that CHOP is involved in the carcinogenesis of uterine cervical cancer in association with HR-HPV and/or p53.

Methods

Immunohistochemistry was used to analyze CHOP and p53 protein expression of tissue sections from 191 patients with invasive cancer or preinvasive lesions of the uterine cervix (61 cases of SqCC, 66 cases of cervical intraepithelial neoplasia [CIN] III, and 64 cases of CIN I).

Results

CHOP was expressed in 59.4% of CIN I, 48.5% of CIN III, and 70.5% of SqCC cases. It was also significantly more frequent in invasive SqCC than in preinvasive lesions (p=0.042). Moreover, CHOP expression significantly correlated with HR-HPV infection and p53 expression (p=0.009 and p=0.038, respectively).

Conclusions

Our results suggest that CHOP is involved in the carcinogenesis of the uterine cervix SqCC via association with HR-HPV and p53.

Citations

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Expression of GRP78 and its copartners in HEK293 and pancreatic cancer cell lines (BxPC-3/PANC-1) exposed to MRI and CT contrast agents
Ali Ahmed Azzawri, Ibrahim Halil Yildirim, Zeynep Yegin, Abdurrahim Dusak
Nucleosides, Nucleotides & Nucleic Acids.2023; : 1. CrossRef
Endoplasmic Reticulum Stress and Homeostasis in Reproductive Physiology and Pathology
Elif Guzel, Sefa Arlier, Ozlem Guzeloglu-Kayisli, Mehmet Tabak, Tugba Ekiz, Nihan Semerci, Kellie Larsen, Frederick Schatz, Charles Lockwood, Umit Kayisli
International Journal of Molecular Sciences.2017; 18(4): 792. CrossRef
Endoplasmic reticulum stress pathway PERK‐eIF2α confers radioresistance in oropharyngeal carcinoma by activating NF‐κB
Qiao Qiao, Chaonan Sun, Chuyang Han, Ning Han, Miao Zhang, Guang Li
Cancer Science.2017; 108(7): 1421. CrossRef
Curcumin induces ER stress-mediated apoptosis through selective generation of reactive oxygen species in cervical cancer cells
Boyun Kim, Hee Seung Kim, Eun-Ji Jung, Jung Yun Lee, Benjamin K. Tsang, Jeong Mook Lim, Yong Sang Song
Molecular Carcinogenesis.2016; 55(5): 918. CrossRef
Down-regulation of C/EBP homologous protein (CHOP) expression in gastric cardia adenocarcinoma: Their relationship with clinicopathological parameters and prognostic significance
Xiao-Juan Zhu, She-Gan Gao, San-Qiang Li, Zhen-Guo Shi, Zhi-Kun Ma, Shan-Shan Zhu, Xiao-Shan Feng
Clinics and Research in Hepatology and Gastroenterology.2015; 39(3): 391. CrossRef
MG289 in <i>Mycoplasma genitalium</i> Enhances Microbial Invasion and Bacterial Persistence in Benign Human Prostate Cells
Wasia Rizwani, Leticia Reyes, Jeongsoon Kim, Steve Goodison, Charles J. Rosser
Open Journal of Urology.2013; 03(06): 232. CrossRef

Expression of Cortactin and Focal Adhesion Kinase in Colorectal Adenocarcinoma: Correlation with Clinicopathologic Parameters and Their Prognostic Implication: Yo Na Kim, Ji Eun Choi, Jun Sang Bae, Kyu Yun Jang, Myoung Ja Chung, Woo Sung Moon, Myoung Jae Kang, Dong Geun Lee, Ho Sung Park; Korean J Pathol. 2012;46(5):454-462. Published online October 25, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.5.454

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Abstract PDF

Background

Cortactin and focal adhesion kinase (FAK) are two important components among actin cross-linking proteins that play a central role in cell migration.

Methods

The aims of this study were to evaluate the expression of cortactin and FAK in normal colorectal mucosa and colorectal adenocarcinoma (CRC) using tissue microarray of 2 mm cores to correlate their expression with other clinicopathological factors and, investigate their prognostic significance.

Results

Twenty (9%) and 24 cases (11%) of normal colorectal mucosa were immunoreactive for cortactin and FAK. In addition, 184 (84%) and 133 cases (61%) of CRCs were immunoreactive for cortactin and FAK, respectively. Cortactin expression was associated with histologic differentiation and FAK expression. Cortactin, but not FAK expression was also correlated with poor overall and relapse-free survival and served well as an independent prognostic factor for poor survival.

Conclusions

Cortactin expression, in association with FAK expression, may plays an important role in tumor progression. Furthermore, it may also be a satisfactory biomarker to predict tumor progression and survival in CRC patients.

Citations

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Identification of a Subset of Stage I Colorectal Cancer Patients With High Recurrence Risk
Lik Hang Lee, Lindy Davis, Lourdes Ylagan, Angela R Omilian, Kristopher Attwood, Canan Firat, Jinru Shia, Philip B Paty, William G Cance
JNCI: Journal of the National Cancer Institute.2022; 114(5): 732. CrossRef
Profiling the expression of pro-metastatic genes in association with the clinicopathological features of primary breast cancer
Seyed-Mohammad Mazloomi, Mitra Foroutan-Ghaznavi, Vahid Montazeri, Gholamreza Tavoosidana, Ashraf Fakhrjou, Hojjatollah Nozad-Charoudeh, Saeed Pirouzpanah
Cancer Cell International.2021;[Epub] CrossRef
PZR promotes metastasis of colorectal cancer through increasing FAK and Src phosphorylation
Dan Tan, Wenpeng Zhang, Yu Tao, Yesseyeva Galiya, Mingliang Wang
Acta Biochimica et Biophysica Sinica.2019; 51(4): 356. CrossRef
Overexpression and Tyr421-phosphorylation of cortactin is induced by three-dimensional spheroid culturing and contributes to migration and invasion of pancreatic ductal adenocarcinoma (PDAC) cells
Katharina Stock, Rebekka Borrink, Jan-Henrik Mikesch, Anna Hansmeier, Jan Rehkämper, Marcel Trautmann, Eva Wardelmann, Wolfgang Hartmann, Jan Sperveslage, Konrad Steinestel
Cancer Cell International.2019;[Epub] CrossRef
Cortactin promotes colorectal cancer cell proliferation by activating the EGFR-MAPK pathway
Xiaojian Zhang, Kun Liu, Tao Zhang, Zhenlei Wang, Xuan Qin, Xiaoqian Jing, Haoxuan Wu, Xiaopin Ji, Yonggang He, Ren Zhao
Oncotarget.2017; 8(1): 1541. CrossRef
Prognostic Value of Focal Adhesion Kinase (FAK) in Human Solid Carcinomas: A Meta-Analysis
Xiao-Qing Zeng, Na Li, Li-Li Ma, Yu-Jen Tseng, Nai-Qing Zhao, Shi-Yao Chen, Han-Chung Wu
PLOS ONE.2016; 11(9): e0162666. CrossRef
Regulators of Actin Dynamics in Gastrointestinal Tract Tumors
Konrad Steinestel, Eva Wardelmann, Wolfgang Hartmann, Inga Grünewald
Gastroenterology Research and Practice.2015; 2015: 1. CrossRef

Expressions of E-cadherin, Cortactin and MMP-9 in Pseudoepitheliomatous Hyperplasia and Squamous Cell Carcinoma of the Head and Neck: Their Relationships with Clinicopathologic Factors and Prognostic Implication: Tack Kune You, Kyoung Min Kim, Sang Jae Noh, Jun Sang Bae, Kyu Yun Jang, Myoung Ja Chung, Woo Sung Moon, Myoung Jae Kang, Dong Geun Lee, Ho Sung Park; Korean J Pathol. 2012;46(4):331-340. Published online August 23, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.4.331

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Abstract PDF

Background

E-cadherin, cortactin, and matrix metalloproteinase (MMP)-9 have roles in tumor development or progression, but their expression has not been fully investigated in pseudoepitheliomatous hyperplasia (PEH) and squamous cell carcinoma (SCC) of the head and neck.

Methods

We evaluated the immunohistochemical expression of E-cadherin, cortactin, and MMP-9 in 29 cases of PEH and 97 cases of SCC. Additionally, we evaluated their relationship with clinicopathologic factors and prognostic implications in SCC.

Results

Thirty-five cases of SCC showed reduced expression of E-cadherin, whereas none of the PEH did. A total of 20 cases and 11 cases of SCC were immunoreactive for cortactin and MMP-9, respectively, whereas none of the PEH did. In SCC, reduced expression of E-cadherin was correlated with cortactin expression and invasion depth. Cortactin expression was correlated with differentiation, T classification, and recurrence and/or metastasis. MMP-9 expression was correlated with invasion depth. Cortactin expression was correlated with poor overall survival and relapse-free survival and it was an independent prognostic factor.

Conclusions

The reduced expression of E-cadherin and the expression of cortactin may be helpful for the differential diagnosis of PEH and SCC. Furthermore, cortactin expression in association with reduced E-cadherin expression is correlated with poor prognosis in SCC.

Citations

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Virus-associated disruption of mucosal epithelial tight junctions and its role in viral transmission and spread
Sharof Tugizov
Tissue Barriers.2021;[Epub] CrossRef
Leishmaniasis: still a diagnostic challenge?
Ricardo Tadeu Villa
Journal of Dermatology & Cosmetology.2021; 5(2): 23. CrossRef
COMPARISON OF EXPRESSION OF E-CADHERIN IN ORAL PSEUDOEPITHELIOMATOUS HYPERPLASIA AND ORAL SQUAMOUS CELL CARCINOMA
Ayesha Mukhtar Awan, Iram Naz, Muhammad Khurram Mahmood, Hafeez Uddin
Gomal Journal of Medical Sciences.2020; 17(3): 70. CrossRef
EXPRESSION OF MATRIX METALLOPROTEINASE-9 IN ORAL SQUAMOUS CELL CARCINOMA AND ORAL PSEUDOEPITHELIOMATOUS HYPERPLASIA
Ayesha Mukhtar Awan, Iram Naz, Muhammad Khurram Mahmood, Hafeez Uddin
Gomal Journal of Medical Sciences.2020; 18(01): 24. CrossRef
An update of knowledge on cortactin as a metastatic driver and potential therapeutic target in oral squamous cell carcinoma
Pablo Ramos‐García, Miguel Ángel González‐Moles, Lucía González‐Ruiz, Ángela Ayén, Isabel Ruiz‐Ávila, Francisco José Navarro‐Triviño, José Antonio Gil‐Montoya
Oral Diseases.2019; 25(4): 949. CrossRef
Prognostic and clinicopathological significance of CTTN/cortactin alterations in head and neck squamous cell carcinoma: Systematic review and meta‐analysis
Pablo Ramos‐García, Miguel Ángel González‐Moles, Ángela Ayén, Lucía González‐Ruiz, Isabel Ruiz‐Ávila, José Antonio Gil‐Montoya
Head & Neck.2019; 41(6): 1963. CrossRef
The effect of centromere protein U silencing by lentiviral mediated RNA interference on the proliferation and apoptosis of breast cancer
Shuang‑Yan Lin, Yan‑Bo Lv, Gen‑Xiang Mao, Xu‑Jiao Chen, Fang Peng
Oncology Letters.2018;[Epub] CrossRef
Glycosylation: a hallmark of cancer?
Bhairavi N. Vajaria, Prabhudas S. Patel
Glycoconjugate Journal.2017; 34(2): 147. CrossRef
Differential expression of the sirtuin family in renal cell carcinoma: Aspects of carcinogenesis and prognostic significance
Seong Uk Jeh, Jung Je Park, Jong Sil Lee, Dong Chul Kim, Jungmo Do, Sin Woo Lee, See Min Choi, Jae Seog Hyun, Deok Ha Seo, Chunwoo Lee, Sung Chul Kam, Ky Hyun Chung, Jeong Seok Hwa
Urologic Oncology: Seminars and Original Investigations.2017; 35(12): 675.e9. CrossRef
Cortactin promotes colorectal cancer cell proliferation by activating the EGFR-MAPK pathway
Xiaojian Zhang, Kun Liu, Tao Zhang, Zhenlei Wang, Xuan Qin, Xiaoqian Jing, Haoxuan Wu, Xiaopin Ji, Yonggang He, Ren Zhao
Oncotarget.2017; 8(1): 1541. CrossRef
Cortactin in cancer cell migration and invasion
Miao Yin, Wenqing Ma, Liguo An
Oncotarget.2017; 8(50): 88232. CrossRef
Association of SIRT1 and HMGA1 expression in non-small cell lung cancer
SHUANG-YAN LIN, FANG PENG
Oncology Letters.2016; 11(1): 782. CrossRef
Expression of SIRT1 and cortactin is associated with progression of non-small cell lung cancer
Sang Jae Noh, Hyun Ah Baek, Ho Sung Park, Kyu Yun Jang, Woo Sung Moon, Myoung Jae Kang, Dong Geun Lee, Min Ho Kim, Ju Hyung Lee, Myoung Ja Chung
Pathology - Research and Practice.2013; 209(6): 365. CrossRef

Case Reports

Fine Needle Aspiration Cytology of Metastatic Adenocarcinoma of the Gingiva from the Lung: A Case Report: Tack Kune You, So Ri Kim, Ho Sung Park, Kyu Yun Jang, Woo Sung Moon, Myoung Ja Chung, Dong Geun Lee, Myoung Jae Kang; Korean J Pathol. 2012;46(1):101-104. Published online February 23, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.1.101

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Abstract PDF: Metastases of malignant tumors to the oral region from distant sites are uncommon. A 45-year-old man with painless gingival swelling was diagnosed with adenocarcinoma of the lung. On cytology, clusters of tumor cells on mucous background revealed enlarged nuclei, indistinct cell borders, and irregular nuclear membranes. Some cells showed nuclear inclusions, nuclear grooves and small nucleoli. These findings are indicative of metastatic adenocarcinoma. We present a case of gingival metastasis from a lung adenocarcinoma.

In Situ Follicular Lymphoma Developed after Hodgkin Lymphoma.: Ho Sung Park, Sang Jae Noh, Jae Yong Kwak, Eun Kee Song, Myung Hee Sohn, Ho Lee, Woo Sung Moon, Kyu Yun Jang; Korean J Pathol. 2011;45:S53-S57.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.S1.S53

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Abstract PDF: In situ follicular lymphoma is a newly defined entity among the lymphoid neoplasms and is defined as architecturally normal-appearing lymph nodes and other lymphoid tissues that have one or more follicles that demonstrate bcl-2 overexpressing centrocytes and centroblasts, with or without a monomorphic cytologic appearance suggestive of follicular lymphoma. Here we present a case of in situ follicular lymphoma diagnosed during the follow-up after a complete response to the treatment of lymphocyte-rich classical Hodgkin's lymphoma. In our case, because only a few germinal centers contained bcl-2 overexpressing cells, we missed the diagnosis of in situ follicular lymphoma in the initial histological examination. We could establish the diagnosis only after performing bcl-2 immunostaining in the sequential biopsy. Therefore, we recommend that careful histological examination along with bcl-2 immunostaining is needed in patients with suspicious clinical findings.

Simultaneous Pancreatic Serous Microcystic Adenoma and Intraductal Papillary Mucinous Tumor of the Pancreas: A Case Report.: Hyoung Jong Kwak, Young Kon Kim, Baik Hwan Cho, Woo Sung Moon; Korean J Pathol. 2011;45:S29-S31.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.S1.S29

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Abstract PDF: Serous cystadenomas of the pancreas account for approximately a third of pancreatic cystic neoplasms. Their coexistence with a second tumor is extremely rare. We now report a case of a serous microcystic adenoma combined with an intraductal papillary mucinous tumor of the pancreas in a 69-year-old man. Abdominal computed tomography scans demonstrated an incidental cystic mass in the body with cystic dilatation of the duct in the head of the pancreas. Central pancreatectomy with pancreatico-jejunostomy, and cyst excision of the pancreatic head were performed. Histologic examination demonstrated a serous microcystic cystadenoma in the body coexisting with an intraductal papillary mucinous adenoma in the head of the pancreas. This case study highlights the importance of careful intra-operative and pathologic examination for synchronous pancreatic tumors.

Letter to the Editor

Intrathyroidal Thymic Tissue in an Adult.: Woo Sung Moon, Seung Bae Hwang, Ki Hwan Hong; Korean J Pathol. 2011;45(5):547-548.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.5.547

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Abstract PDF

No abstract available.

Citations

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Ectopic intrathyroidal thymic tissue in an adult patient: a case report and review of the literature
Sadegh Moradian, Sina Delazar, Farzad Yazdani, Maryam Mohammadzadeh
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Ki Hwan Kim, Hyung Suk Seo, Young Hen Lee, Ki Yeol Lee, Young-Sik Kim, Gil Soo Son, Sang-il Suh
Neuroradiology.2013; 55(11): 1405. CrossRef

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