Journal of Pathology and Translational Medicine

Original Article

Analysis of Mutations in Epidermal Growth Factor Receptor Gene in Korean Patients with Non-small Cell Lung Cancer: Summary of a Nationwide Survey: Sang Hwa Lee, Wan Seop Kim, Yoo Duk Choi, Jeong Wook Seo, Joung Ho Han, Mi Jin Kim, Lucia Kim, Geon Kook Lee, Chang Hun Lee, Mee Hye Oh, Gou Young Kim, Sun Hee Sung, Kyo Young Lee, Sun Hee Chang, Mee Sook Rho, Han Kyeom Kim, Soon Hee Jung, Se Jin Jang, The Cardiopulmonary Pathology Study Group of Korean Society of Pathologists; J Pathol Transl Med. 2015;49(6):481-488. Published online October 13, 2015; DOI: https://doi.org/10.4132/jptm.2015.09.14

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Background
Analysis of mutations in the epidermal growth factor receptor gene (EGFR) is important for predicting response to EGFR tyrosine kinase inhibitors. The overall rate of EGFR mutations in Korean patients is variable. To obtain comprehensive data on the status of EGFR mutations in Korean patients with lung cancer, the Cardiopulmonary Pathology Study Group of the Korean Society of Pathologists initiated a nationwide survey. Methods: We obtained 1,753 reports on EGFR mutations in patients with lung cancer from 15 hospitals between January and December 2009. We compared EGFR mutations with patient age, sex, history of smoking, histologic diagnosis, specimen type, procurement site, tumor cell dissection, and laboratory status. Results: The overall EGFR mutation rate was 34.3% in patients with non-small cell lung cancer (NSCLC) and 43.3% in patients with adenocarcinoma. EGFR mutation rate was significantly higher in women, never smokers, patients with adenocarcinoma, and patients who had undergone excisional biopsy. EGFR mutation rates did not differ with respect to patient age or procurement site among patients with NSCLC. Conclusions: EGFR mutation rates and statuses were similar to those in published data from other East Asian countries.

Citations

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The role of oncogenes and tumor suppressor genes in determining survival rates of lung cancer patients in the population of North Sumatra, Indonesia
Noni Novisari Soeroso, Fannie Rizki Ananda, Johan Samuel Sitanggang, Noverita Sprinse Vinolina
F1000Research.2023; 11: 853. CrossRef
Comprehensive analysis of NGS and ARMS-PCR for detecting EGFR mutations based on 4467 cases of NSCLC patients
Changlong He, Chengcheng Wei, Jun Wen, Shi Chen, Ling Chen, Yue Wu, Yifan Shen, Huili Bai, Yangli Zhang, Xueping Chen, Xiaosong Li
Journal of Cancer Research and Clinical Oncology.2022; 148(2): 321. CrossRef
Unique characteristics of G719X and S768I compound double mutations of epidermal growth factor receptor (EGFR) gene in lung cancer of coal-producing areas of East Yunnan in Southwestern China
Jun-Ling Wang, Yu-Dong Fu, Yan-Hong Gao, Xiu-Ping Li, Qian Xiong, Rui Li, Bo Hou, Ruo-Shan Huang, Jun-Feng Wang, Jian-Kun Zhang, Jia-Ling Lv, Chao Zhang, Hong-Wei Li
Genes and Environment.2022;[Epub] CrossRef
Continuous Vaginal Bleeding Induced By EGFR-TKI in Premenopausal Female Patients With EGFR Mutant NSCLC
Min Yu, Xiaoyu Li, Xueqian Wu, Weiya Wang, Yanying Li, Yan Zhang, Shuang Zhang, Yongsheng Wang
Frontiers in Oncology.2022;[Epub] CrossRef
The role of oncogenes and tumor suppressor genes in determining survival rates of lung cancer patients in the population of North Sumatra, Indonesia
Noni Novisari Soeroso, Fannie Rizki Ananda, Johan Samuel Sitanggang, Noverita Sprinse Vinolina
F1000Research.2022; 11: 853. CrossRef
Adverse Event Profiles of Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitors in Adenocarcinoma Lung Patients in North Sumatera Population
Moh. Ramadhani Soeroso, Noni Novisari Soeroso, Setia Putra Tarigan, Elisna Syahruddin
Open Access Macedonian Journal of Medical Sciences.2022; 10(T7): 134. CrossRef
Landscape of EGFR mutations in lung adenocarcinoma: a single institute experience with comparison of PANAMutyper testing and targeted next-generation sequencing
Jeonghyo Lee, Yeon Bi Han, Hyun Jung Kwon, Song Kook Lee, Hyojin Kim, Jin-Haeng Chung
Journal of Pathology and Translational Medicine.2022; 56(5): 249. CrossRef
Traditional Chinese Medicine Syndromes are Associated with Driver Gene Mutations and Clinical Characteristics in Patients with Lung Adenocarcinoma
Jili Yang, Haiyan Lu, Niancai Jing, Bo Wang, Huanyu Guo, Shoukun Sun, Yue Zhang, Chan-Yen Kuo
Evidence-Based Complementary and Alternative Medicine.2022; 2022: 1. CrossRef
Exosome-based detection of EGFR T790M in plasma and pleural fluid of prospectively enrolled non-small cell lung cancer patients after first-line tyrosine kinase inhibitor therapy
Yoonjung Kim, Saeam Shin, Kyung-A Lee
Cancer Cell International.2021;[Epub] CrossRef
Molecular biomarker testing for non–small cell lung cancer: consensus statement of the Korean Cardiopulmonary Pathology Study Group
Sunhee Chang, Hyo Sup Shim, Tae Jung Kim, Yoon-La Choi, Wan Seop Kim, Dong Hoon Shin, Lucia Kim, Heae Surng Park, Geon Kook Lee, Chang Hun Lee
Journal of Pathology and Translational Medicine.2021; 55(3): 181. CrossRef
Osimertinib in Patients with T790M-Positive Advanced Non-small Cell Lung Cancer: Korean Subgroup Analysis from Phase II Studies
Myung-Ju Ahn, Ji-Youn Han, Dong-Wan Kim, Byoung Chul Cho, Jin-Hyoung Kang, Sang-We Kim, James Chih-Hsin Yang, Tetsuya Mitsudomi, Jong Seok Lee
Cancer Research and Treatment.2020; 52(1): 284. CrossRef
Long non-coding RNA ATB promotes human non-small cell lung cancer proliferation and metastasis by suppressing miR-141-3p
Guojie Lu, Yaosen Zhang, Klaus Roemer
PLOS ONE.2020; 15(2): e0229118. CrossRef
Prognostic Role of S100A8 and S100A9 Protein Expressions in Non-small Cell Carcinoma of the Lung
Hyun Min Koh, Hyo Jung An, Gyung Hyuck Ko, Jeong Hee Lee, Jong Sil Lee, Dong Chul Kim, Jung Wook Yang, Min Hye Kim, Sung Hwan Kim, Kyung Nyeo Jeon, Gyeong-Won Lee, Se Min Jang, Dae Hyun Song
Journal of Pathology and Translational Medicine.2019; 53(1): 13. CrossRef
Epidermal growth factor receptor T790M mutations in non-small cell lung cancer (NSCLC) of Yunnan in southwestern China
Yongchun Zhou, Yuhui Ma, Hutao Shi, Yaxi Du, Yunchao Huang
Scientific Reports.2018;[Epub] CrossRef
Does the efficacy of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor differ according to the type of EGFR mutation in non-small cell lung cancer?
Yong Won Choi, Jin-Hyuk Choi
The Korean Journal of Internal Medicine.2017; 32(3): 422. CrossRef
Molecular Testing of Lung Cancers
Hyo Sup Shim, Yoon-La Choi, Lucia Kim, Sunhee Chang, Wan-Seop Kim, Mee Sook Roh, Tae-Jung Kim, Seung Yeon Ha, Jin-Haeng Chung, Se Jin Jang, Geon Kook Lee
Journal of Pathology and Translational Medicine.2017; 51(3): 242. CrossRef
MET Exon 14 Skipping Mutations in Lung Adenocarcinoma: Clinicopathologic Implications and Prognostic Values
Geun Dong Lee, Seung Eun Lee, Doo-Yi Oh, Dan-bi Yu, Hae Min Jeong, Jooseok Kim, Sungyoul Hong, Hun Soon Jung, Ensel Oh, Ji-Young Song, Mi-Sook Lee, Mingi Kim, Kyungsoo Jung, Jhingook Kim, Young Kee Shin, Yoon-La Choi, Hyeong Ryul Kim
Journal of Thoracic Oncology.2017; 12(8): 1233. CrossRef
Epidermal growth factor receptor (EGFR) mutations in non-small cell lung cancer (NSCLC) of Yunnan in southwestern China
Yongchun Zhou, Yanlong Yang, Chenggang Yang, Yunlan Chen, Changshao Yang, Yaxi Du, Guangqiang Zhao, Yinjin Guo, Lianhua Ye, Yunchao Huang
Oncotarget.2017; 8(9): 15023. CrossRef
Detection of EGFR and KRAS Mutation by Pyrosequencing Analysis in Cytologic Samples of Non-Small Cell Lung Cancer
Seung Eun Lee, So-Young Lee, Hyung-Kyu Park, Seo-Young Oh, Hee-Joung Kim, Kye-Young Lee, Wan-Seop Kim
Journal of Korean Medical Science.2016; 31(8): 1224. CrossRef
MassARRAY, pyrosequencing, and PNA clamping for EGFR mutation detection in lung cancer tissue and cytological samples: a multicenter study
Kyueng-Whan Min, Wan-Seop Kim, Se Jin Jang, Yoo Duk Choi, Sunhee Chang, Soon Hee Jung, Lucia Kim, Mee-Sook Roh, Choong Sik Lee, Jung Weon Shim, Mi Jin Kim, Geon Kook Lee
Journal of Cancer Research and Clinical Oncology.2016; 142(10): 2209. CrossRef
Clinicopathologic characteristics of EGFR, KRAS, and ALK alterations in 6,595 lung cancers
Boram Lee, Taebum Lee, Se-Hoon Lee, Yoon-La Choi, Joungho Han
Oncotarget.2016; 7(17): 23874. CrossRef

Case Study

Epithelioid Trophoblastic Tumor: Clinicopathologic and Immunohistochemical Analysis of Three Cases: Woo Jung Sung, Hyeong Chan Shin, Min-Kyung Kim, Mi Jin Kim; Korean J Pathol. 2013;47(1):67-73. Published online February 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.1.67

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Abstract PDF

Epithelioid trophoblastic tumor is an unusual type of trophoblastic tumor. Here we report on the clinicopathologic and immunohistochemical features of three cases of epithelioid trophoblastic tumor. All three patients were of reproductive age and presented with vaginal bleeding and mild elevation of human chorionic gonadotropin (hCG). All patients underwent a hysterectomy. The tumors consisted of epithelioid intermediate trophoblastic cells that were mononucleated and eosinophilic, or showed clear cytoplasm on microscopic examination. One case presented with a focal choriocarcinoma component. Immunohistochemically, the tumors displayed diffuse positivity for cytokeratin 18, E-cadherin, epidermal growth factor receptor, and p53 and focal positivity for p63 and hCG. However, expression of α-inhibin and placental alkaline phosphatase was almost negative. Tests for human placental lactogen and epithelial membrane antigen were also negative in all cases.

Citations

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Epithelioid Trophoblastic Tumour: A Case with Genetic Linkage to a Child Born over Seventeen Years Prior, Successfully Treated with Surgery and Pembrolizumab
David Pisani, Jean Calleja-Agius, Riccardo Di Fiore, John J. O’Leary, James P. Beirne, Sharon A. O’Toole, Ana Felix, Ian Said-Huntingford
Current Oncology.2021; 28(6): 5346. CrossRef
Epithelioid Trophoblastic Tumor
Stephanie M. McGregor, Larissa V. Furtado, Anthony G. Montag, Rebecca Brooks, Ricardo R. Lastra
International Journal of Gynecological Pathology.2020; 39(1): 8. CrossRef
Epithelioid trophoblastic tumor in a postmenopausal woman: A case report and review of the literature in the postmenopausal group
Seyran Yigit, Eylul Gun, Bulent Yilmaz, Zafer Kolsuz
Indian Journal of Pathology and Microbiology.2020; 63(5): 98. CrossRef
Double trouble: Extrauterine epithelioid trophoblastic tumor with uterine choriocarcinoma - An autopsy report
Kusum Jashnani, Alshifa Yagana, Niraj Mahajan
Indian Journal of Cancer.2020;[Epub] CrossRef
Epithelioid trophoblastic tumor coexisting with choriocarcinoma around an abdominal wall cesarean scar: a case report and review of the literature
Chunfeng Yang, Jianqi Li, Yuanyuan Zhang, Hanzhen Xiong, Xiujie Sheng
Journal of Medical Case Reports.2020;[Epub] CrossRef
Placental site trophoblastic tumor and epithelioid trophoblastic tumor: Clinical and pathological features, prognostic variables and treatment strategy
Angiolo Gadducci, Silvestro Carinelli, Maria Elena Guerrieri, Giovanni Damiano Aletti
Gynecologic Oncology.2019; 153(3): 684. CrossRef
Diagnosis and Management of Mixed Gestational Trophoblastic Neoplasia: A Study of 16 Cases and a Review of the Literature
Yujia Kong, Guangshi Tao, Liju Zong, Junjun Yang, Xirun Wan, Wenze Wang, Yang Xiang
Frontiers in Oncology.2019;[Epub] CrossRef
A Case Series of Five Patients With Pure or Mixed Gestational Epithelioid Trophoblastic Tumors and a Literature Review on Mixed Tumors
Ka Yu Tse, Keith Wan Hang Chiu, Karen Kar Loen Chan, Mandy Man Yee Chu, Siew Fei Ngu, Annie Nga Yin Cheung, Hextan Yuen Sheung Ngan, Philip Pun Ching Ip
American Journal of Clinical Pathology.2018; 150(4): 318. CrossRef
MR Imaging of Uterine Epithelioid Trophoblastic Tumor: A Case Report
Sakiko KAGEYAMA, Masafumi KANOTO, Yukio SUGAI, Takeshi SUTO, Satoru NAGASE, Mitsumasa OSAKABE, Takaaki HOSOYA
Magnetic Resonance in Medical Sciences.2016; 15(4): 411. CrossRef
Pharmacotherapy of placental site and epithelioid trophoblastic tumours
Fiona Taylor, Barry W Hancock
Expert Opinion on Orphan Drugs.2015; 3(1): 75. CrossRef
A Well-Circumscribed Border with Peripheral Doppler Signal in Sonographic Image Distinguishes Epithelioid Trophoblastic Tumor from Other Gestational Trophoblastic Neoplasms
Jiale Qin, Weiwen Ying, Xiaodong Cheng, Xiaodong Wu, Bingjian Lu, Yun Liang, Xinyu Wang, Xiaoyun Wan, Xing Xie, Weiguo Lu, Hai-Yan Lin
PLoS ONE.2014; 9(11): e112618. CrossRef

Case Reports

Diagnostic Importance of Recognition of Calcareous Corpuscles and Larva Part in the Diagnosis of Sparganosis by Fine Needle Aspiration Cytology: Reports of Three Cases of Mammary Sparganosis.: Woo Jung Sung, Seok Ju Park, Young Kyung Bae, Mi Jin Kim; Korean J Pathol. 2011;45(5):542-546.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.5.542

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Abstract PDF: Sparganosis of the breast is an uncommon disease. Cytological granulomatous inflammation is a common feature of sparganosis. The presence of larval fragments is necessary for a definitive diagnosis of sparganosis in a cytological specimen. However, calcareous corpuscles entrapped in necrotic debris can be very diagnostic for sparganosis in endemic areas. We experienced three cases of mammary sparganosis diagnosed by fine needle aspiration cytology before surgical excision. Two cases showed numerous calcareous corpuscles associated with necrotic debris thought to be degenerated parasitic bodies. The remaining case revealed a few degenerative calcareous corpuscles and parasitic bodies. The presence of calcareous corpuscles and/or degenerative parasitic bodies can be an aid in the differential diagnosis between sparganosis and other forms of granulomatous mastitis, particularly in endemic areas of sparganosis.

Ovarian Large Cell Neuroendocrine Carcinoma Associated with Endocervical-like Mucinous Borderline Tumor: A Case Report and Literature Review.: Jun Mo Kim, Hyeong Chan Shin, Mi Jin Kim; Korean J Pathol. 2011;45(5):523-528.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.5.523

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Abstract PDF

Ovarian large cell neuroendocrine carcinoma is a rare tumor that is usually associated with surface epithelial tumors. Mucinous tumors are most common surface epithelial component identified in reported cases. Ovarian mucinous tumor associated with large cell neuroendocrine carcinoma is almost always an intestinal type. However, large cell neuroendocrine carcinoma associated with pure mucinous borderline tumor of endocervical-like type has not been described previously. The present case report describes a large cell neuroendocrine carcinoma associated with endocervical-like mucinous borderline tumor of the ovary in a 35-year-old woman. The tumor was confirmed by histopathology and immunohistochemistry. A review of the pertinent literature is included.

Citations

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The puzzle of gynecologic neuroendocrine carcinomas: State of the art and future directions
Giuseppe Caruso, Carolina Maria Sassu, Federica Tomao, Violante Di Donato, Giorgia Perniola, Margherita Fischetti, Pierluigi Benedetti Panici, Innocenza Palaia
Critical Reviews in Oncology/Hematology.2021; 162: 103344. CrossRef
Pathological features, clinical presentations and prognostic factors of ovarian large cell neuroendocrine carcinoma: a case report and review of published literature
Xiaohang Yang, Junyu Chen, Ruiying Dong
Journal of Ovarian Research.2019;[Epub] CrossRef
Primary pure large cell neuroendocrine carcinoma of the ovary
Chen-Hsien Lin, Yu-Chieh Lin, Mu-Hsien Yu, Her-Young Su
Taiwanese Journal of Obstetrics and Gynecology.2014; 53(3): 413. CrossRef
Pure Large Cell Neuroendocrine Carcinoma of Ovary: A Rare Clinical Entity and Review of Literature
P. N. Shakuntala, K. Uma Devi, K. Shobha, U. D. Bafna, M. Geetashree
Case Reports in Oncological Medicine.2012; 2012: 1. CrossRef

A Fibroma with Cystic Change Developing in an Accessory Ovary: A Brief Case Report.: Ae Ri Kim, Woo Jung Sung, Mi Jin Kim; Korean J Pathol. 2011;45(3):319-321.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.3.319

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Abstract PDF

Accessory ovaries are rare entities defined as small portions of ovarian tissue situated near, and connected to, the normally placed ovary. Tumors arising in accessory ovaries are extremely rare. In particular, a fibroma arising from an accessory ovary has not been reported in the literature. We describe such a case with a fibroma developing in an accessory ovary. A 53-year-old multiparous woman presented with abdominal pain for 2 months. Pelvic computed tomography revealed 11.0x8.0x6.0 cm sized cystic mass with a thick septal wall in right adnexa. The preoperative diagnosis was a borderline ovarian tumor. Furthermore, a laparotomy showed a cystic mass connected to the right ovary by stalk. The bilateral eutopic ovaries were completely normal. Histologically, an accessory ovary was replaced by a fibroma accompanied by extensive cystic change.

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A Rare Case of Extensive Degeneration in Bilateral Ovarian Fibroma Mimicking Large Ovarian Cystadenoma
Tjokorda GA Pemayun, I Nyoman G Budiana
Journal of SAFOMS.2018; 6(2): 139. CrossRef

Mature Cystic Teratoma of the Fallopian Tube: A Brief Case Report.: Woo Jung Sung, Jun Mo Kim, Mi Jin Kim; Korean J Pathol. 2011;45(3):303-305.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.3.303

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Abstract PDF

Mature cystic teratomas of the fallopian tube are unusual, being almost incidentally identified. Here we describe a case of mature cystic teratoma arising in the fallopian tube, in a 44-year-old female. The mass was found during a regular checkup without complication. Microscopically, components from each germ layer were identified.

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Mature Cystic Teratoma of the Fallopian Tube in a Postmenopausal Woman: A Case Report and Review of the Literature
Mustafa Erkan Sari, Ozhan Ozdemir, Pinar Kadirogullari, Funda Arpaci Ertugrul, Cemal Resat Atalay
Case Reports in Obstetrics and Gynecology.2015; 2015: 1. CrossRef

Cytologic Findings of Alveolar Soft Part Sarcoma Presenting with Multiple Pulmonary Masses: A Case Report with Review of Literature.: Na Rae Kim, Jae Y Ro, Eun Kyung Cho, Mi Jin Kim, Jungsuk An, Seung Yeon Ha; Korean J Pathol. 2011;45(1):119-124.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.119

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Abstract PDF

Alveolar soft part sarcoma (ASPS) is a rare malignant soft tissue tumor of uncertain origin, and it has a strong propensity for metastasis to the lungs, bones and brain. We report upon an unusual case of ASPS, presenting as multiple lung nodules with no other detectable primary site, in a 44-year-old man. A fine needle aspiration of the nodules yielded scattered, discohesive cells, each containing an eccentrically displaced nucleus and prominent nucleolus, on a granular background. Tumor cells with numerous bared nuclei, and occasional sheets of epithelioid cells were also found. Under the cytological diagnosis of an unclassified epithelioid malignant tumor, resection of the lung nodules was performed. The histologic findings were consistent with ASPS, showing positive TFE3-nuclear immunoreactivity. There is limited literature concerning cytological findings associated with pulmonary ASPS: especially in cases where the primary site is unknown. Here, we present a cytological review of pulmonary ASPS, investigating the significance of TFE3 staining in the diagnosis of ASPS.

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Alveolar soft part sarcoma: A case report with emphasis on some unusual cytological features
Neelam Sood, Minakshi Gulia
Diagnostic Cytopathology.2018; 46(2): 170. CrossRef

Original Articles

p16INK4a, PTEN, E-cadherin, Bcl-2 and Ki-67 Expression in Prostate Cancer: Its Relationship with the Metastatic Potential and Known Prognostic Factors.: Seok Ju Park, Woo Jung Sung, Mi Jin Kim; Korean J Pathol. 2010;44(6):597-604.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.597

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Abstract PDF

BACKGROUND
At present, adequate prognostic markers for prostate cancer progression are still lacking, in spite of intensive investigation. Accordingly, our study examined the relationship between expression of candidate biomarkers and metastasis in prostate cancer patients. Correlation of molecular markers with prostate-specific antigen (PSA) level, Gleason sum score and tumor stage were also evaluated.
METHODS
A total of 105 prostate tumor specimens and specimens from 19 cases of nodular hyperplasia were obtained through Yeungnam University Hospital from 2007 to 2008. Immunohistochemical analyses for p16INK4a, phosphatase and tensin homolog (PTEN), E-cadherin, Ki-67 and Bcl-2 were performed.
RESULTS
Overexpression of Bcl-2 was significantly related to bone (p = 0.006) and nodal metastases (p = 0.017). Other biomarkers were not related to metastatic potential. There were statistically significant relationships between increased PSA level and loss of expression of PTEN (p = 0.019) and E-cadherin (p = 0.001). High Ki-67 index was significantly correlated with nodal metastasis (p = 0.029) as well as with loss of p16INK4a expression (p = 0.002) and high Gleason score (p = 0.011).
CONCLUSIONS
High Gleason score, Bcl-2 overexpression and increased Ki-67 labeling have significant predictive value in assessing the potential for prostate cancer metastasis. In addition, a high Ki-67 index is related to high Gleason score and loss of p16INK4a expression.

Citations

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Over-expression of β-catenin is associated with high grade of prostatic cancer in Libyan patients
W. Said, F. Emaetig, K. El Gehani, T. Eldarat, A. Buhmeida, N. Enattah, A. Elzagheid, O. Al-Fituri
African Journal of Urology.2017; 23(2): 133. CrossRef
Bcl2 en cáncer avanzado de próstata y asociación con resistencia a la castración
R.F. Velázquez-Macías, F.E. De La Torre-Rendón, G. Ramos-Rodríguez, C.A. Calzada-Mendoza, R.M. Coral-Vázquez
Revista Mexicana de Urología.2016; 76(5): 288. CrossRef
Hedgehog signaling protein expression and its association with prognostic parameters in prostate cancer: A retrospective study from the view point of new 2010 anatomic stage/prognostic groups
Tae‐Jung Kim, Ji Youl Lee, Tae‐Kon Hwang, Chang Suk Kang, Yeong‐Jin Choi
Journal of Surgical Oncology.2011; 104(5): 472. CrossRef

Gene Expression Profiles of Uterine Normal Myometrium and Leiomyoma and Their Estrogen Responsiveness In Vitro.: Eun Ju Lee, Prati Bajracharya, Dong Mok Lee, Kyung Hyun Cho, Keuk Jun Kim, Young Kyung Bae, Mi Jin Kim, Ki Ho Lee, Hang Jin Kim, Gun Ho Song, Sang Sik Chun, Inho Choi; Korean J Pathol. 2010;44(3):272-283.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.3.272

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Abstract PDF

BACKGROUND
Uterine leiomyomas are common benign smooth muscle tumors among the reproductive aged-women. The research has been aimed to identify the differentially expressed genes between normal myometrium and leiomyoma and to investigate the effects of E2 on their expression.
METHODS
Gene microarray analysis was performed to identify the differentially expressed genes between normal myomerium and leiomyoma. The data was confirmed at protein level by tissue microarray.
RESULTS
Gene microarray analysis revealed 792 upregulated genes in leiomyoma. Four genes (tropomyosin 4 [TPM4], collagen, type IV, alpha 2 [COL4alpha2], insulin-like growth factor binding protein 5 [IGFBP5], tripartite motif-containing 28 [TRIM28]) showed the most dramatic upregulation in all leiomyoma samples. Tissue microarray analyses of 262 sample pairs showed significantly elevated expression of TPM4, IGFBP5, estrogen receptor-alpha, and progesterone receptor (PR) protein in leiomyoma from the patients in their forties, COL4alpha2 in the forties and fifties age-groups, and TRIM28 in the thirties age-group. PR, insulin-like growth factor 1 (IGF-1), IGF-1 receptor (IGF-1R) and IGFBP5 were induced by E2 in in vitro culture of tissue explants from which cells migrated throughout the plate. Among these, PR, IGF-1, IGFBP5 genes showed higher expression in tissue compared to cells-derived from tissue in leiomyoma and IGF-1R in leiomyoma cell.
CONCLUSIONS
This observation implies the importance of the whole tissue context including the cells-derived from tissue in the research for the understanding of molecular mechanism of leiomyoma. Here, we report higher expression of TRIM28 in leiomyoma for the first time and identify E2-responsive genes that may have important roles in leiomyoma development.

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In vivo mechanisms of uterine myoma volume reduction with ulipristal acetate treatment
Guillaume E. Courtoy, Jacques Donnez, Etienne Marbaix, Marie-Madeleine Dolmans
Fertility and Sterility.2015; 104(2): 426. CrossRef
Common fibroid-associated genes are differentially expressed in phenotypically dissimilar cell populations isolated from within human fibroids and myometrium
Sarah J Holdsworth-Carson, Marina Zaitseva, Jane E Girling, Beverley J Vollenhoven, Peter A W Rogers
REPRODUCTION.2014; 147(5): 683. CrossRef
Complex networks of multiple factors in the pathogenesis of uterine leiomyoma
Md Soriful Islam, Olga Protic, Piergiorgio Stortoni, Gianluca Grechi, Pasquale Lamanna, Felice Petraglia, Mario Castellucci, Pasquapina Ciarmela
Fertility and Sterility.2013; 100(1): 178. CrossRef

Intron 1 Polymorphism, Mutation and the Protein Expression of Epidermal Growth Factor Receptor in Relation to the Gefitinib Sensitivity of Korean Lung Cancer Patients.: Mi Jin Kim, Kyeong Cheol Shin, Kwan Ho Lee; Korean J Pathol. 2009;43(6):509-516.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.6.509

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Abstract PDF: BACKGROUND
Epidermal growth factor receptor (EGFR) intron 1 polymorphism in non-small cell lung cancer (NSCLC) has been found to have therapeutic implications for the patients treated with EGFR tyrosine kinase inhibitors. However, its clinical significance as related to gefitinib responsiveness is still controversial. We examined CA repeat polymorphism in intron 1 of the EGFR gene and its relation with the EGFR gene mutation in NSCLC patients who were treated with gefitinib. METHODS: Sixty seven patients who were treated with gefitinib were analyzed for intron 1 polymorphism in the EGFR gene, the EGFR mutations and the EGFR protein expression. Two hundred twenty seven samples of NSCLC were analyzed for EGFR mutations. RESULTS: CA repeat was low in 27 patients (40.3%) and high in 40 (59.7%) patients. The response rate for gefitinib therapy was higher in the patient population with a low number of CA repeats in the EGFR gene (p=0.047) and in the patients with the mutated type of EGFR (p=0.048), though these two factors were not related. Thirty four patients (15.0%) harbored EGFR mutations. CONCLUSIONS: This study suggests that the intron 1 CA repeat polymorphism of the EGFR gene may serve as a predictor of the clinical outcome of NSCLC patients treated with gefitinib, and this without regard for EGFR mutation. Our data further supports the importance of EGFR mutations with regard to a distinct clinical profile and the prognostic implications for NSCLC patients.

Prevalence and Genotype Distribution of Cervical Human Papillomavirus DNA in Korean Women: A Multicenter Study.: Sung Ran Hong, In Sun Kim, Dong Won Kim, Mi Jin Kim, Ae Ree Kim, Young Ok Kim, Hye Sun Kim, Seo Hee Rha, Gyeong Sin Park, Yong Koo Park, Yong Wook Park, Ho Sung Park, Kwang Sun Suh, Jin Hee Sohn, Mi Kyung Shin, Hoon Kyu Oh, Ki Jung Yun, Hye Kyoung Yoon, Shi Nae Lee, Ah Won Lee, Hyo Jin Lee, Hyun Yee Cho, Chan Choi, Woon Won Jung; Korean J Pathol. 2009;43(4):342-350.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.4.342

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Abstract PDF

Background
DNA prevalence and type distribution of human papillomavirus (HPV) varies geographically. We investigated HPV prevalence and type distribution in Korean women using the MyHPV DNA chip testing. Methods: A total of 2,368 women from five regions of the country underwent Pap smear examination and MyHPV chip testing. Results: Overall HPV positivity was 15.8% and 78.4% in women with normal and abnormal cytology, respectively. High-risk HPV infection was strongly correlated with cytological atypia. In women with abnormal cytology, the five most common HPV types were 16, 58, 18, 52, and 56/53, and HPV16 was significantly the most common type in most geographical regions. After HPV16, HPV58, and 52 were the next most frequently detected types. Women with normal cytology, in contrast, showed heterogeneity in HPV type distribution. High-grade intraepithelial lesions infected with HPV16, 18, 31 or 45 are more likely to progress to carcinoma. Conclusions: The HPV chip test can provide useful data regarding HPV positivity and type. The most common HPV type in Korean women with abnormal cytology is HPV16, with HPV58 and 52 being frequently present. Our data may have important implications for vaccination programs and the development of cervical screening.

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HPV genotyping by L1 amplicon sequencing of archived invasive cervical cancer samples: a pilot study
Charles D. Warden, Preetam Cholli, Hanjun Qin, Chao Guo, Yafan Wang, Chetan Kancharla, Angelique M. Russell, Sylvana Salvatierra, Lorraine Z. Mutsvunguma, Kerin K. Higa, Xiwei Wu, Sharon Wilczynski, Raju Pillai, Javier Gordon Ogembo
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Case Reports

Mixed Gangliocytoma-Pituitary Adenoma: A case report.: Dong Sug Kim, Dae Hong Suh, Mi Jin Kim, O Lyong Kim; Korean J Pathol. 1998;32(2):138-141.

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Abstract PDF: The mixed gangliocytoma-pituitary adenoma is a very rare intracranial neoplasm, and it is frequently associated with endocrine symptoms; acromegaly, Cushing's disease, galactorrhea and amenorrhea. Morphologically it shows a mixture of gangliocytoma and pituitary adenoma in various proportions. In the area of gangliocytoma, there is no neoplastic glial component. The portion of pituitary adenoma consists mainly of chromophobe cells. There are three hypotheses in its histogenesis. We report a case of a 41 year-old lady presented with acromegaly and amenorrhea existing for 3 years. On magnetic resonance image, there is a dumbell-shaped mass in the sellar region. Histologically it showed typical features of mixed gangliocytoma-pituitary adenoma. This case is presented in the view of its rarity and interesting possible histogeneses.

Invasive Micropapillary Carcinoma of the Breast: A clinicopathologic study of 16 cases.: Young Kyung Bae, Dong Sug Kim, Mi Jin Kim, Soo Jung Lee; Korean J Pathol. 1999;33(4):267-273.

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Abstract PDF: Invasive micropapillary carcinoma is a recently defined unusual variant of invasive breast carcinoma characterized by the formation of micropapillae within clear spaces separated by delicate fibrocollagenous stroma. This study was designed to examine clinicopathologic features of invasive micropapillary carcinoma of the breast. Sixteen cases of invasive micropapillary carcinoma were retrieved from the files of the Department of Pathology, Yeungnam University College of Medicine. We evaluated their clinicopathologic findings including patients' age, tumor size, nuclear grade, vascular invasion, axillary lymph node status, presence of extensive intraductal carcinoma, estrogen and progesterone receptors, p53, c-erbB-2, MIB-1 labelling index and follow-up data and compared this results with those of 292 cases of invasive ductal carcinoma, not otherwise specified. The incidence of invasive micropapillary carcinoma was 4.2% of all invasive breast carcinoma, and the mean age of the patients was 46 years. Nine cases were pure form (over 75% of micropapillary growth pattern in the tumor) and seven cases were mixed form. The results of clinicopathologic findings, except vascular invasion and axillary lymph node status, of the 16 cases of invasive micropapillary carcinoma were not different from those of the 292 cases of invasive ductal carcinoma, not otherwise specified (p>0.05). However, the rate of vascular invasion and axillary lymph node metastasis was significantly higher in invasive micropapillary carcinoma (p <0.05). Of 16 cases, five cases had distant metastasis during follow-up period, and one patient died of cancer. Although the mechanism of higher vascular invasion and lymph node metastasis in micropapillary growth pattern could not be determined, we propose that invasive micropapillary carcinoma should be recognized as a separate entity with increased risks of vascular invasion and axillary lymph node metastsis.

Original Article

Expression of p53 Protein in Endometrial Carcinoma.: Mi Jin Kim, Dong Suk Kim; Korean J Pathol. 1999;33(5):347-352.

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Abstract PDF: The mutation of p53, a tumor suppressor gene, has been considered to play an important role in tumorigenesis in a variety of human cancers and the abnormal expression of p53 are frequently associated with poor prognosis. In order to examine the association of p53 overexpression with known prognostic factors including estrogen receptors (ER) and progesterone receptors (PR), we studied the status of p53 protein expression by immunohistochemical staining of paraffin sections of 29 endometrial carcinoma (25 endometrioid carcinoma, 2 clear cell carcinoma, and 2 serous carcinoma), obtained from hysterectomy. The results were as follows: The expression of p53, ER, and PR was present in 9/29 (31%), 3/29 (16%), and 12/29 (48%), respectively. The expression of p53 in endometrioid adenocarcinoma was present in 6/25 (24%) and showed significant correlation with histologic grade, nuclear grade, and myometrial invasion. The status of PR showed significant inverse correlation with histologic grade, nuclear grade and myometrial invasion. There was no significant correlation between ER status and these histologic factors. The expression of p53 was inversely associated with the status of PR, but statistically not significant. Our results indicate that p53 may be useful in predicting prognosis in endometrial carcinoma and will be able to provide helpful information in predetermination of aggressive behavior of the tumor in evaluation of curettage specimen.

Case Report

Angiosarcoma of the Uterus: A case report.: Young Kyung Bae, Joon Hyuk Choi, Mi Jin Kim; Korean J Pathol. 1999;33(7):521-524.

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Abstract PDF: Primary angiosarcoma of the female reproductive system is extremely rare, and its management is not well understood. We experienced a very rare case of angiosarcoma arising in the uterus of a 37-year-old woman who presented abdominal distension. At laparotomy, the uterus was observed to be enlarged and deformed by multilobulated hemorrhagic mass. Tumor deposits were present on both ovaries and the omentum. The operation consisted of total abdominal hysterectomy with salpingo-oophorectomy, and omentectomy. Microscopic examination showed that the tumor consisted mostly of solid sheets of pleomorphic and spindle cells forming irregular, communicating cleft-like spaces. Well-formed vascular channels lined by atypical endothelial cells were seen in differentiated areas. Some vessels were partially lined by normal endothelial cells and partially by neoplastic endothelial cells. Papillary architecture composed of epithelioid tumor cells was noted in a focal area. The tumor cells were immunoreactive for factor VIII-related antigen, Ulex europaeus agglutinin-1, CD31 and CD34. Weibel-Palade bodies were not seen in the tumor cells. She received adjuvant chemotherapy, but died 13 months after the diagnosis.

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