Journal of Pathology and Translational Medicine

Original Articles

Correlation between myoferlin expression and lymph node metastasis in papillary thyroid carcinoma: Ji Min Na, Dong Chul Kim, Dae Hyun Song, Hyo Jung An, Hyun Min Koh, Jeong-Hee Lee, Jong Sil Lee, Jung Wook Yang, Min Hye Kim; J Pathol Transl Med. 2022;56(4):199-204. Published online May 11, 2022; DOI: https://doi.org/10.4132/jptm.2022.03.19

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Abstract PDF: Background
Myoferlin is a multifunctional protein expressed in various normal and cancer cells, with novel oncogenic roles being newly discovered. Recently, correlations have been found between myoferlin expression and unfavorable prognosis in various carcinomas. This study investigated the prognostic role of myoferlin expression in papillary thyroid carcinoma (PTC), specifically that associated with nodal metastasis.
Methods
We collected clinicopathological data and PTC tissues from 116 patients who had been admitted to Gyeongsang National University Hospital in 2010. Immunohistochemical analysis was performed on surgical specimen-derived tissue microarray blocks. Myoferlin expression was graded, and the relationship between expression level and pathological features of tumors based on the American Joint Committee on Cancer staging system was evaluated.
Results
Of the 116 patient samples, 100 cases exhibited positive myoferlin expression. Higher grade of myoferlin expression was correlated with lower T category group (p = .010). Presence of lymph node metastasis was determined to be significantly correlated with low-grade myoferlin expression (p = .019), with no significant difference between pN1a and pN1b tumors.
Conclusions
Our study revealed an adverse correlation between myoferlin expression and pathological features of PTC, evidence of the potential prognostic role of myoferlin in PTC lymph node metastasis.

Proposal for a Standardized Pathology Report of Gastroenteropancreatic Neuroendocrine Tumors: Prognostic Significance of Pathological Parameters: Mee-Yon Cho, Jin Hee Sohn, So Young Jin, Hyunki Kim, Eun Sun Jung, Mi-Jung Kim, Kyoung-Mee Kim, Woo Ho Kim, Joon Mee Kim, Yun Kyung Kang, Joon Hyuk Choi, Dae Young Kang, Youn Wha Kim, Eun Hee Choi; Korean J Pathol. 2013;47(3):227-237. Published online June 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.3.227

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Background

There is confusion in the diagnosis and biological behaviors of gastroenteropancreatic neuroendocrine tumors (GEP-NETs), because of independently proposed nomenclatures and classifications. A standardized form of pathology report is required for the proper management of patients.

Methods

We discussed the proper pathological evaluation of GEP-NET at the consensus conference of the subcommittee meeting for the Gastrointestinal Pathology Study Group of the Korean Society of Pathologists. We then verified the prognostic significance of pathological parameters from our previous nationwide collection of pathological data from 28 hospitals in Korea to determine the essential data set for a pathology report.

Results

Histological classification, grading (mitosis and/or Ki-67 labeling index), T staging (extent, size), lymph node metastasis, and lymphovascular and perineural invasion were significant prognostic factors and essential for the pathology report of GEP-NET, while immunostaining such as synaptophysin and chromogranin may be optional. Furthermore, the staging system, either that of the 2010 American Joint Cancer Committee (AJCC) or the European Neuroendocrine Tumor Society (ENETS), should be specified, especially for pancreatic neuroendocrine neoplasms.

Conclusions

A standardized pathology report is crucial for the proper management and prediction of prognosis of patients with GEP-NET.

Citations

Citations to this article as recorded by

Analysis of Prognostic Risk Factors of Endoscopic Submucosal Dissection (ESD) and Curative Resection of Gastrointestinal Neuroendocrine Neoplasms
Yuan Si, ChaoKang Huang, JingBin Yuan, XianHui Zhang, QingQiang He, ZhiJin Lin, Ling He, ZhongXin Liu, Yuvaraja Teekaraman
Contrast Media & Molecular Imaging.2022; 2022: 1. CrossRef
Standardization of the pathologic diagnosis of appendiceal mucinous neoplasms
Dong-Wook Kang, Baek-hui Kim, Joon Mee Kim, Jihun Kim, Hee Jin Chang, Mee Soo Chang, Jin-Hee Sohn, Mee-Yon Cho, So-Young Jin, Hee Kyung Chang, Hye Seung Han, Jung Yeon Kim, Hee Sung Kim, Do Youn Park, Ha Young Park, So Jeong Lee, Wonae Lee, Hye Seung Lee,
Journal of Pathology and Translational Medicine.2021; 55(4): 247. CrossRef
Preoperative diagnosis of well‐differentiated neuroendocrine tumor in common hepatic duct by brush cytology: A case report
Jiwoon Choi, Kyong Joo Lee, Sung Hoon Kim, Mee‐Yon Cho
Diagnostic Cytopathology.2019; 47(7): 720. CrossRef
Primary renal well-differentiated neuroendocrine tumors: report of six cases with an emphasis on the Ki-67 index and mitosis
Bohyun Kim, Han-Seong Kim, Kyung Chul Moon
Diagnostic Pathology.2019;[Epub] CrossRef
Primary low‐grade neuroendocrine carcinoma of the skin: An exceedingly rare entity
Tiffany Y. Chen, Annie O. Morrison, Joe Susa, Clay J. Cockerell
Journal of Cutaneous Pathology.2017; 44(11): 978. CrossRef
Prognostic Validity of the American Joint Committee on Cancer and the European Neuroendocrine Tumors Staging Classifications for Pancreatic Neuroendocrine Tumors
Jae Hee Cho, Ji Kon Ryu, Si Young Song, Jin-Hyeok Hwang, Dong Ki Lee, Sang Myung Woo, Young-Eun Joo, Seok Jeong, Seung-Ok Lee, Byung Kyu Park, Young Koog Cheon, Jimin Han, Tae Nyeun Kim, Jun Kyu Lee, Sung-Hoon Moon, Hyunjin Kim, Eun Taek Park, Jae Chul Hw
Pancreas.2016; 45(7): 941. CrossRef
Early diagnosis and treatment of gastrointestinal neuroendocrine tumors
Hong Shen, Zhuo Yu, Jing Zhao, Xiu-Zhen Li, Wen-Sheng Pan
Oncology Letters.2016; 12(5): 3385. CrossRef
Recent Updates on Neuroendocrine Tumors From the Gastrointestinal and Pancreatobiliary Tracts
Joo Young Kim, Seung-Mo Hong
Archives of Pathology & Laboratory Medicine.2016; 140(5): 437. CrossRef
Pancreatic neuroendocrine tumors: Correlation between the contrast-enhanced computed tomography features and the pathological tumor grade
Koji Takumi, Yoshihiko Fukukura, Michiyo Higashi, Junnichi Ideue, Tomokazu Umanodan, Hiroto Hakamada, Ichiro Kanetsuki, Takashi Yoshiura
European Journal of Radiology.2015; 84(8): 1436. CrossRef
Tumeurs neuroendocrines du tube digestif et du pancréas : ce que le pathologiste doit savoir et doit faire en 2014
Jean-Yves Scoazec, Anne Couvelard
Annales de Pathologie.2014; 34(1): 40. CrossRef
Spectrum of Gastroenteropancreatic NENs in Routine Histological Examinations of Bioptic and Surgical Specimen: A Study of 161 Cases Collected from 17 Departments of Pathology in the Czech Republic
Václav Mandys, Tomáš Jirásek
Gastroenterology Research and Practice.2014; 2014: 1. CrossRef
p27 Loss Is Associated with Poor Prognosis in Gastroenteropancreatic Neuroendocrine Tumors
Hee Sung Kim, Hye Seung Lee, Kyung Han Nam, Jiwoon Choi, Woo Ho Kim
Cancer Research and Treatment.2014; 46(4): 383. CrossRef

The Definition of Minimal Extrathyroid Extension in Thyroid Pathology by Analyzing Sizable Intra- and Extrathyroid Blood Vessels: Hyae Min Jeon, Beom Jin Lim, Hang-Seok Chang, SoonWon Hong; Korean J Pathol. 2012;46(6):548-553. Published online December 26, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.6.548

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Abstract PDF

Background

To define the exact boundary of the intrathyroid and extrathyroid aspects of a gland when determining the extent of cancer invasion, we plan to clarify the definition of sizable vascular structures, which is one of the helpful histologic clues in determining a minimal extrathyroid extension. We hypothesized that arterial wall thicknesses in extrathyroid soft tissue would be significantly different from the arteries in the thyroid parenchyma.

Methods

Twenty cases of papillary carcinoma were selected. The numbers and wall thicknesses of the arteries and arterioles in intrathyroid and extrathyroid tissue were evaluated. The absence of nerve tissue in the thyroid gland was confirmed using the S-100 protein immunohistochemical stain.

Results

The comparison of the mean thicknesses of the total arteries between the extrathyroid and intrathyroid tissues in the retrospective study (26.88 µm vs. 15.07 µm, respectively) and the prospective study (35.24 µm vs. 16.52 µm, respectively) revealed significant differences (p=0.000). The greatest thickness of the intrathyroid arteries was 67.93 µm.

Conclusions

According to our results, the study showed that the extrathyroidal arteries were significantly thicker than the intrathyroidal arteries. We suggest that the sizable blood vessels of extrathyroidal arteries should be greater than 67.93 µm in thickness.

Citations

Citations to this article as recorded by

Invasion in thyroid cancer: Controversies and best practices
Michiya Nishino, Jack Jacob
Seminars in Diagnostic Pathology.2020; 37(5): 219. CrossRef
MiR-221/222 promote migration and invasion, and inhibit autophagy and apoptosis by modulating ATG10 in aggressive papillary thyroid carcinoma
Hao Shen, Zaikai Lin, Haiyan Shi, Lingling Wu, Baojin Ma, Hong Li, Baobing Yin, Jun Tang, Hongjin Yu, Xiaoxing Yin
3 Biotech.2020;[Epub] CrossRef
Minimal extrathyroidal extension affects the prognosis of differentiated thyroid cancer: Is there a need for change in the AJCC classification system?
Zeming Liu, Yihui Huang, Sichao Chen, Di Hu, Min Wang, Ling Zhou, Wei Zhou, Danyang Chen, Haifeng Feng, Wei Wei, Chao Zhang, Wen Zeng, Liang Guo, Scott M. Langevin
PLOS ONE.2019; 14(6): e0218171. CrossRef
miR-199a-3p downregulation in thyroid tissues is associated with invasion and metastasis of papillary thyroid carcinoma
Chengbiao Liu, Meiling Xing, Liping Wang, Kejun Zhang
British Journal of Biomedical Science.2017; 74(2): 90. CrossRef
Clinicopathological Significance of Minimal Extrathyroid Extension in Solitary Papillary Thyroid Carcinomas
Chang Gok Woo, Chang Ohk Sung, Yun Mi Choi, Won Gu Kim, Tae Yong Kim, Young Kee Shong, Won Bae Kim, Suck Joon Hong, Dong Eun Song
Annals of Surgical Oncology.2015; 22(S3): 728. CrossRef
Intraoperative Frozen Section for the Evaluation of Extrathyroidal Extension in Papillary Thyroid Cancer
Om Prakash Prajapati, A. K. Verma, M. Sabaretnam
World Journal of Surgery.2015; 39(7): 1855. CrossRef
Tumor Sprouting in Papillary Thyroid Carcinoma Is Correlated with Lymph Node Metastasis and Recurrence
Eunjung Lee, Wonkyung Jung, Jeong-Soo Woo, Jae Bok Lee, Bong Kyung Shin, Han Kyeom Kim, Aeree Kim, Baek-hui Kim
Korean Journal of Pathology.2014; 48(2): 117. CrossRef

A Standardized Pathology Report for Colorectal Cancer.: Hee Jin Chang, Cheol Keun Park, Woo Ho Kim, Young Bae Kim, Youn Wha Kim, Ho Guen Kim, Han Ik Bae, Kyu Sang Song, Mee Soo Chang, Hee Kyung Chang, Yang Seok Chae; Korean J Pathol. 2006;40(3):193-203.

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Abstract PDF: BACKGROUND
AND METHODS: For standardizing the pathology report and diagnosis of colorectal cancers, the Gastrointestinal Pathology Study Group of the Korean Society of Pathologists has developed a pathology reporting format for colorectal cancer in collaboration with the Korean Society of Coloproctology.
RESULTS
The diagnostic parameters are divided into two parts: the standard part and the optional part. The standard part contains most of the items listed in the Japanese classification, the TNM classification by AJCC, and the WHO classification. We included detailed descriptions on each item.
CONCLUSIONS
The standardized pathology report for colorectal cancers is adequate for its application to routine surgical pathology reports, and it is also helpful to decrease the discrepancies that occur during the pathologic diagnosis of colorectal cancer. Furthermore, this reporting format could encourage nationwide multi-center collaborative studies.

A Standardized Pathology Report for Gastric Cancer.: Woo Ho Kim, Cheol Keun Park, Young Bae Kim, Youn Wha Kim, Ho Guen Kim, Han Ik Bae, Kyu Sang Song, Hee Kyung Chang, Hee Jin Chang, Yang Seok Chae; Korean J Pathol. 2005;39(2):106-113.

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Abstract PDF: BACKGROUND
AND METHODS: The Gastrointestinal Pathology Study Group of the Korean Society of Pathologists developed a standardized pathology reporting format for gastric cancer in collaboration with the Korean Gastric Cancer Association. RESULTS: The diagnostic parameters are divided into two part: the standard part and the optional part. The standard part contains most of the items listed in the Japanese classification, the TNM classification by UICC, the WHO classification, and the Korean Gastric Cancer Association classification. Therefore, the standard part is adequate for routine surgical pathology service. We included detailed descriptions on each item.
CONCLUSIONS
The authors anticipate that this standardization can improve the diagnostic accuracy and decrease the discrepancies that occur in the pathologic diagnosis of gastric cancer. Furthermore, the standard format can encourage large scale multi-institutional collaborative studies.

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