Journal of Pathology and Translational Medicine

Brief Case Report

Intrahepatic Cholangiocarcinoma with Ductal Plate Malformation-like Feature Associated with Bile Duct Adenoma: Ah-Young Kwon, Hye Jin Lee, Hee Jung An, Haeyoun Kang, Jin-Hyung Heo, Gwangil Kim; J Pathol Transl Med. 2015;49(6):531-534. Published online July 31, 2015; DOI: https://doi.org/10.4132/jptm.2015.06.19

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Histopathological evidence of intrahepatic cholangiocarcinoma occurring in ductal plate malformation: A clinicopathologic study of 5 cases
Qian Wang, Yi Xu, Shou-Mei Wang, Ai-Yan Hu, Yun-Cui Pan, Shu-Hui Zhang
Annals of Diagnostic Pathology.2021; 55: 151828. CrossRef
Cholangiolocellular Carcinoma Arising in a Normal Liver
Chie Kitami, Yasuyuki Kawachi, Toshihiko Igarashi, Shigeto Makino, Atsushi Nishimura, Mikako Kawahara, Keiya Niikuni, Kenichi Harada
The Japanese Journal of Gastroenterological Surgery.2016; 49(10): 1006. CrossRef

Case Report

A Case of Ovarian Microinvasive Mucinous Carcinoma and Co-existent Angiosarcoma.: Jin Hyung Heo, Yoon Hee Lee, Gwang Il Kim, Tae Heon Kim, Haeyoun Kang, Hee Jung An, Bo Sung Yoon, Seok Ju Seong, Hyun Park, Ji Young Kim; Korean J Pathol. 2011;45(1):96-100.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.96

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Abstract PDF

Primary ovarian angiosarcoma is very rare with only 27 cases reported so far in the medical literature. We report here on a rare case of ovarian microinvasive mucinous carcinoma that was coexistent with angiosarcoma in a 54-year-old woman. The tumor was a 26x19x10 cm-sized multilocular cystic mass with a 4x3 cm-sized solid hematoma-like nodule in the center. Microscopically, it was composed mostly of mucinous tumor of various grades from borderline to microinvasive carcinoma. The hematoma-like area turned out to be an angiosarcoma, composed of pleomorphic cells that formed slit-like spaces, spindle cells that formed short fascicles and anastomosing vascular channels with atypical endothelial cells. All these cells were positive for CD31, CD34 and factor VIII-related antigen. The patient developed peritoneal and pleural metastases, which were angiosarcoma and mucinous carcinoma, respectively. We believe this case is only the fourth example of an ovarian collision tumor of angiosarcoma and surface epithelial tumor.

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Tumor to Tumor Metastasis: A Case Report of Metastatic Angiosarcoma to an Ovarian Brenner Tumor and Review of the Literature
Bilge Dundar, Audai Alrwashdeh, Laila Dahmoush
International Journal of Gynecological Pathology.2023; 42(2): 176. CrossRef
Collision Tumors in Ovary: Case Series and Literature Review
Borges A, Loddo A, Martins A, Peiretti M, Fanni D, Djokovic D
Journal of Surgical Oncology.2019; : 1. CrossRef
Angiosarcoma Arising in Ovarian Mucinous Tumor: A Challenge in Intraoperative Frozen Section Diagnosis
Surapan Khunamornpong, Jongkolnee Settakorn, Kornkanok Sukpan, Tip Pongsuvareeyakul, Sumalee Siriaunkgul
Case Reports in Pathology.2016; 2016: 1. CrossRef
Impact of body burden of pesticide residues on the reproductive tract of buffalo
KARANPREET KAUR, SARVPREET SINGH GHUMAN, OPINDER SINGH, JASBIR SINGH BEDI, JATINDER PAUL SINGH GILL
The Indian Journal of Animal Sciences.2016;[Epub] CrossRef

Original Articles

The Loss of E-cadherin is Associated with the Epigenetic Alteration of CDH1 in Breast Cancer and it is also Associated with an Abnormal beta-catenin Expression in Lobular Carcinoma.: Gwangil Kim, Ji Young Kim, Hee Jung An, Haeyoun Kang, Tae Heon Kim, Jung Yon Shim, Jin Hyung Heo, Hai Lin Park, Young Kil Choi; Korean J Pathol. 2009;43(5):400-407.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.5.400

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Abstract PDF

BACKGROUND
APC and E-cadherin are the key molecules in the Wnt/beta-catenin pathway. We attempted to define the epigenetic alteration of APC and CDH1 (the E-cadherin gene) and the expression of Wnt-related molecules in human mammary carcinomas.
METHODS
Sixty-four mammary carcinomas, including 52 invasive ductal carcinomas (IDCs) and 12 invasive lobular carcinomas (ILCs), were evaluated using methylation-specific PCR and immunohistochemistry. We performed immunohistochemistry for E-cadherin, beta-catenin, APC, Wnt1, cyclin D1, ER, PR and C-erb B2.
RESULTS
Hypermethylation of APC and CDH1 was observed in 38 (59%) and 28 (44%) cases, respectively. CDH1 hypermethylation in ILCs was increased compared to that in IDCs (p=0.002) and it was associated with the loss of E-cadherin (p=0.02) and beta-catenin (p=0.042). APC methylation was positively correlated with the ER expression (p=0.021). Abnormal cytoplasmic localization of beta-catenin was found in 10 cases and any expression was not detected in six cases. In ILCs, the E-cadherin or beta-catenin expression was markedly decreased compared to that in IDCs (p<0.001 in both).
CONCLUSIONS
Methylation of APC or CDH1 was relatively frequent in mammary carcinomas. The loss of E-cadherin in mammary carcinoma was associated with CDH1 methylation, and abnormal beta-catenin expression was related to the loss of E-cadherin in ILC.

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Wnt/β-catenin signaling pathway activation reverses gemcitabine resistance by attenuating Beclin1-mediated autophagy in the MG63 human osteosarcoma cell line
Hao Tao, Feng Chen, Haifei Liu, Yanling Hu, Yingzhen Wang, Haiyan Li
Molecular Medicine Reports.2017; 16(2): 1701. CrossRef

A Multiinstitutional Consensus Study on the Pathologic Diagnosis of Endometrial Hyperplasia and Carcinoma.: Kwang Sun Suh, Insun Kim, Moon Hyang Park, Geung Hwan Ahn, Jin Hee Sohn, In Ae Park, Hye Kyoung Yoon, Kyu Rae Kim, Hee Jung An, Dong Won Kim, Mi Jin Kim, Hee Jae Joo, Eun Kyung Kim, Young Hee Choi, Chong Woo Yoo, Kyung Un Choi, Sang Yeop Yi, Hye Sun Kim, Sung Ran Hong, Hee Jeong Lee, Sun Lee; Korean J Pathol. 2008;42(2):87-93.

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Abstract PDF: BACKGROUND
The purpose of this study was to examine the reproducibility of both the diagnosis of endometrial hyperplasia (EH) or adenocarcinoma, and the histologic grading (HG) of endometrioid adenocarcinoma (EC).
METHODS
Ninety-three cases of EH or adenocarcinomas were reviewed independently by 21 pathologists of the Gynecologic Pathology Study Group. A consensus diagnosis was defined as agreement among more than two thirds of the 21 pathologists.
RESULTS
There was no agreement on the diagnosis in 13 cases (14.0%). According to the consensus review, six of the 11 EH cases (54.5%) were diagnosed as EH, 48 of the 57 EC cases (84.2%) were EC, and 5 of the 6 serous carcinomas (SC) (83.3%) were SC. There was no consensus for the 6 atypical EH (AEH) cases. On the HG of EC, there was no agreement in 2 cases (3.5%). According to the consensus review, 30 of the 33 G1 cases (90.9%) were G1, 11 of the 18 G2 cases (61.1%) were G2, and 4 of the 4 G3 cases (100.0%) were G3.
CONCLUSIONS
The consensus study showed high agreement for both EC and SC, but there was no consensus for AEH. The reproducibility for the HG of G2 was poor. We suggest that simplification of the classification of EH and a two-tiered grading system for EC will be necessary.

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