Journal of Pathology and Translational Medicine

Volume 44(1); February 2010

Review Article

Basaloid Squamous Cell Carcinoma of the Upper Aerodigestive Tract.: Kyung Ja Cho; Korean J Pathol. 2010;44(1):1-8.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.1

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Basaloid squamous cell carcinoma (BSCC) is an uncommon variant of squamous cell carcinoma (SCC), usually occurring in the larynx, hypopharynx, oropharynx and esophagus. BSCCs have been reported from various geographic areas, but esophageal BSCCs are more prevalent in Asia. The morphology of BSCC is quite characteristic, but BSCC occasionally needs to be differentiated from neuroendocrine carcinoma or adenoid cystic carcinoma. Human papillomavirus16-associated oropharyngeal SCC with poorly differentiated or basaloid features has recently been recognized as a new clinical entity with a different etiology and prognosis. Nonoropharyngeal BSCC appears to share etiologic factors, genetic alterations and an immunoprofile with conventional SCC of the upper aerodigestive tract. However, the divergent differentiation of BSCC into various non-basaloid, epithelial or mesenchymal elements suggests the participation of more mulipotential cells than in SCC. The biologic behavior of BSCC has been reported to be worse than or equal to that of SCC, yet the data including the increasing numbers of human papillomavirus-associated cases now require reanalysis. It is presently uncertain whether BSCC is a histogenetically or clinically unique disease entity.

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Liver metastatic basaloid squamous cell carcinoma with negative expression of pancytokeratin: a case report and literature review
Linxiu Liu, Xuemin Xue, Liyan Xue
Diagnostic Pathology.2019;[Epub] CrossRef
A Case of Basaloid Squamous Cell Carcinoma of Rectosigmoid Colon
Tae Hwan Ha, Tae Joo Jeon, Ji Young Park, Yong Ho Jang, Deok Hee Kim, Mi Jin Ryu, Dong Hyun Sinn, Tae Hoon Oh
The Korean Journal of Gastroenterology.2013; 62(6): 375. CrossRef

Original Articles

The Prognostic Significance of the Tumor-Infiltrating FoxP3-Positive Regulatory T Cells in Gastric Carcinoma.: Sang Jae Noh, Shin Young Park, Kyung Ryoul Kim, Chan Young Kim, Keun Sang Kwon, Ho Sung Park, Ho Lee, Myoung Ja Chung, Woo Sung Moon, Kyu Yun Jang; Korean J Pathol. 2010;44(1):9-15.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.9

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Abstract PDF

BACKGROUND
Regulatory T cells (Tregs) are known to be key regulators of immune responses in patients with autoimmune disease and infection and also for attenuating antitumor immunity by the host. It has been reported that high numbers of tumor-infiltrating Tregs might be associated with poor clinical outcomes for several malignant tumors. Therefore, this study aimed to examine the impact of tumor-infiltrating Tregs on the prognosis of gastric carcinoma patients.
METHODS
The immunohistochemical staining for anti-fork head Box P3 (FoxP3) antibody was performed by using a 3 mm core from the tumor specimens of each of the 173 gastric cancer patients for constructing a tissue microarray. FoxP3-positive Tregs were quantified by calculating the numbers of positive cells per 5 high-power fields on light microscopy. Thereafter, the 173 patients were subdivided into the low Tregs group (< or = 3/5 high power fields [HPF], n = 41) and the high Tregs group (> 3/5 HPF, n = 132).
RESULTS
The high Tregs group was significantly associated with a higher stage, more invasion depth and lymph node metastasis (p = 0.009, p = 0.036, p = 0.006, respectively). The high Tregs group showed significantly poorer overall survival and event-free survival (p = 0.004, p = 0.017, respectively) on the univariate analysis. The Tregs group and the tumor, node and metastasis stage were also independent prognostic factors that were significantly associated with overall survival (p = 0.025, p < 0.001, respectively) by multivariate analysis.
CONCLUSIONS
Our results indicated that a high number of tumor-infiltrating FoxP3-positive Tregs could be an indicator of poor long term survival for gastric carcinoma patients.

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Tumor-infiltrating PD1-Positive Lymphocytes and FoxP3-Positive Regulatory T Cells Predict Distant Metastatic Relapse and Survival of Clear Cell Renal Cell Carcinoma
Myoung Jae Kang, Kyoung Min Kim, Jun Sang Bae, Ho Sung Park, Ho Lee, Myoung Ja Chung, Woo Sung Moon, Dong Geun Lee, Kyu Yun Jang
Translational Oncology.2013; 6(3): 282. CrossRef
Significance of Foxp3 Positive Regulatory T Cell and Tumor Infiltrating T Lymphocyte in Triple Negative Breast Cancer
Hanna Kang, Harin Cheong, Min Sun Cho, Heasoo Koo, Woon Sup Han, Kyung Eun Lee, Byung In Moon, Sun Hee Sung
The Korean Journal of Pathology.2011; 45(1): 53. CrossRef

Clinicopathologic Significances of EGFR Expression at Invasive Front of Colorectal Cancer.: Yeo Ju Kang, Chan Kwon Jung, Yeong Jin Choi, Kyo Young Lee, Hyung Jin Kim, Won Kyung Kang, Seong Taek Oh; Korean J Pathol. 2010;44(1):16-21.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.16

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Abstract PDF: BACKGROUND
Epidermal growth factor receptor (EGFR) is frequently expressed in the invasive front of colorectal cancer (CRC), but its clinicopathologic significance remains unclear. We investigated the clinical value of the EGFR expression at the invasive front of CRC.
METHODS
We performed an immunohistochemical analysis in order to examine the expression and distribution of EGFR in 214 cases of CRC. The EGFR status was considered positive when > or =1% of the tumor cells had membranous staining.
RESULTS
Overall, an EGFR expression was observed in 144 (67%) cases and it had no significant relationship with the clinicopathologic parameters. However, an EGFR expression at the invasive front was correlated with lymphatic invasion, lymph node metastasis and a high level of serum carcinoembryonic antigen (p = 0.028, p = 0.043, and p = 0.045, respectively). For the budding-positive CRCs liver metastases were found in the cases with an EGFR expression at the budding, but no liver metastasis occurred in the EGFR negative cases at the budding (p = 0.030).
CONCLUSIONS
An EGFR expression at the invasive front has clinicopathologic significances in patients with CRC. An EGFR expression at tumor cell budding is a pathologic marker that suggests the high potential for liver metastasis in CRC.

The Prognostic Subgroups as Defined by the Patterns of Epstein-Barr Virus Infection in Patients with Hodgkin Lymphoma.: Ji Hyeon Roh, Seok Jin Kim, Won Seog Kim, Young Hyeh Ko; Korean J Pathol. 2010;44(1):22-27.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.22

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Abstract PDF: BACKGROUND
The purpose of this study was to investigate the prognostic significance of the Epstein-Barr virus (EBV) infected non-neoplastic lymphocytes in patients with Hodgkin lymphoma (HL).
METHODS
Seventy-seven cases of HL were evaluated by immunohistochemical analysis and EBV-encoded RNA in situ hybridization. The cases were divided into three groups according to the EBV status. EBV was negative in 48 cases (group 1), EBV was located in the Hodgkin/Reed-Sternberg (HRS) cells, but not in the non-neoplastic lymphocytes in 20 cases (26%) (group 2) and EBV was located in both the HRS cells and the non-neoplastic lymphocytes in 9 cases (12%) (group 3).
RESULTS
The groups differed with respect to the age distribution, the clinical presentation and the prognosis. The median ages were 30 (group 1), 47.5 (group 2) and 23 years (group 3) (p = 0.011). B symptoms (p = 0.007) and the histologic subtype of mixed cellularity classical HL (p = 0.001) were more common in the EBV-positive patients than in their EBV-negative counterparts. Two patients from group 3 had associated chronic EBV infection syndrome. The five-year survival rate was 97.56% in group 1, 75.76% in group 2 and 100% in group 3 (p = 0.0178).
CONCLUSIONS
HL with EBV located in both the HRS cells and the non-neoplastic lymphocytes is a distinct prognostic subgroup that has better survival than the HL with EBV located in only the HRS cells.

Automated Silver-enhanced In Situ Hybridization for Evaluation of HER2 Gene Status in Breast Carcinoma: Comparison with Fluorescence In Situ Hybridization and Immunohistochemistry.: Woo Jung Sung, Seok Ju Park, Mi Jin Gu, Young Kyung Bae; Korean J Pathol. 2010;44(1):28-34.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.28

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Abstract PDF

BACKGROUND
The human epidermal growth factor receptor 2 (HER2) is amplified in 20-25% of breast cancers. HER2 overexpression or amplification is associated with a worse clinical outcome and it can predict the benefit from anthracycline and anti-HER2 therapies. The HER2 status has usually been assessed by immunohistochemistry (IHC) or fluorescence in situ hybridization (FISH) in clinical samples. A new silver-enhanced in situ hybridization (SISH) technique was recently introduced. Therefore we evaluated the usefulness of SISH for detecting HER2 amplification.
METHODS
Tissue microarrays (TMAs) were constructed with 144 invasive breast cancer tissue samples. We performed IHC, FISH and SISH for HER2 on the tissue sections from the TMAs and we interpreted the results according to the American Society of Clinical Oncology/College of American Pathologists (ASCO/CAP) guidelines. The concordant rates between the two different tests were calculated.
RESULTS
HER2 was overexpressed and amplified in 16.9%, 16.9%, and 18% of the cases by IHC, FISH and SISH, respectively. The concordant rates between IHC and FISH, IHC and SISH, and FISH and SISH were 95.1%, 95.7%, and 97.8%, respectively.
CONCLUSIONS
SISH can be an alternative test for evaluating HER2 amplification because the 97.8% concordance with FISH satisfies the ASCO/CAP requirement of > 95% concordance with an alternative validated method.

Citations

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HER2 assessment by silverin situhybridization: where are we now?
Francesca Sanguedolce, Pantaleo Bufo
Expert Review of Molecular Diagnostics.2015; 15(3): 385. CrossRef
Diagnostic Effectiveness of PCR-based Tests DetectingBRAFMutation for Treating Malignant Melanoma: A Systematic Review
Hae-Won Shin, Ryeo-Jin Ko, Min Lee, Hee-Young Bang, Kye-Chul Kwon, Jong-Woo Park, Sun-Hoe Koo
Laboratory Medicine Online.2014; 4(4): 203. CrossRef
Effectiveness of Silver-enhanced In Situ Hybridization for Evaluating HER2 Gene Status in Invasive Breast Carcinoma: A Comparative Study
Youngseok Lee, Youngjoon Ryu, Hoiseon Jeong, Hyeyoon Chang, Younghye Kim, Aeree Kim
Archives of Medical Research.2012; 43(2): 139. CrossRef
HER2 Status by Standardized Immunohistochemistry and Silver-EnhancedIn SituHybridization in Korean Breast Cancer
Young Kyung Bae, Gyungyub Gong, Jun Kang, Ahwon Lee, Eun Yoon Cho, Ji Shin Lee, Kwang-Sun Suh, Dong Wha Lee, Woo Hee Jung
Journal of Breast Cancer.2012; 15(4): 381. CrossRef
Multiplication of Chromosome 17 Centromere Is Associated with Prognosis in Patients with Invasive Breast Cancers Exhibiting NormalHER2andTOP2AStatus
Aeri Kim, Hyung Chan Shin, Young Kyung Bae, Min Kyoung Kim, Su Hwan Kang, Soo Jung Lee, Eun Hee Lee
Journal of Breast Cancer.2012; 15(1): 24. CrossRef
HER2-Positive Breast Carcinomas with Co-amplification or Gain of Chromosome 17 Centromere Locus: Report of Three Cases and an Impact on HER2 Testing
Hyeong Chan Shin, Young Kyung Bae, Aeri Kim, Seok Ju Park
The Korean Journal of Pathology.2011; 45(6): 665. CrossRef
The Effectiveness of SilverIn SituHybridization in Patients with Breast Cancer: A Systematic Review
Sunyoung Jang, Seon-Heui Lee, Soojin Kim, You-Kyoung Lee, Young-Hyuck Im, Wonshik Han, Hee-Sook Park
Journal of Breast Cancer.2011; 14(Suppl 1): S1. CrossRef
Clinical and health economic outcomes of alternative HER2 test strategies for guiding adjuvant trastuzumab therapy
James A Lee, Megan Shaheen, Thomas Walke, Matt Daly
Expert Review of Pharmacoeconomics & Outcomes Research.2011; 11(3): 325. CrossRef
HER2 expression in breast cancer: Comparisons of fluorescence in situ hybridization and silver in situ hybridization, and immunohistochemical staining using monoclonal antibody and polyclonal antibody
Jung Sik Jang, Eun Jeong Jang, Ji‐Young Park
Basic and Applied Pathology.2010; 3(4): 115. CrossRef
HER2Status in Gastric Adenocarcinomas Assessed by Immunohistochemistry, Automated Silver-EnhancedIn SituHybridization and FluorescenceIn SituHybridization
Aeri Kim, Jung Min Bae, Se Won Kim, Mi Jin Gu, Young Kyung Bae
The Korean Journal of Pathology.2010; 44(5): 493. CrossRef

CD44 and MMP14 Expression Associated with WHO Grade of the Astrocytoma and the Prognostic Implications.: Jaekyung Myung, Bogun Jang, Heae Surng Park, Woongjae Yon, Hyun Ju Lee, Sung Hye Park; Korean J Pathol. 2010;44(1):35-41.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.35

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Abstract PDF: BACKGROUND
CD44 is a cell surface receptor that has been implicated in tumor cell invasion and metastasis in a range of tumors of various organs, including breast, ovary, colon, lung, and brain. CD44 stimulates the invasive ability by interacting with matrix metalloproteinase 14 (MMP14). The expression of MMP14 on the cell surface is thought to trigger multiple proteinase cascades and to stimulate cell migration.
METHODS
A total 54 astrocytoma patients were eligible for this study. We performed a retrospective clinicopathological review and CD44 and MMP14 immunohistochemistry.
RESULTS
The expressions of CD44 and MMP14 were significantly correlated with the World Health Organization (WHO) grade. On univariate analysis, the WHO grade and the expression of CD44 were the significant prognostic factors affecting overall survival (OS) and disease progression free survival (DPFS). On the multivariate analysis by the Cox regression model, the only WHO grade was shown to be a significant independent prognostic factor for predicting the DPFS and OS.
CONCLUSIONS
In this study, the CD44 and MMP14 expressions were related to the WHO grade of astrocytoma. The CD44 expression status was a prognostic factor for DPFS and OS on univariate analysis, but it was not an independent prognostic factor on the multivariate analysis.

Expression of Cyclooxygenase-2 and Embryonic Lethal Abnormal Vision-Like Protein HuR in Gallbladder Carcinoma.: Sung Im Do, Gou Young Kim, Sung Jig Lim, Youn Wha Kim; Korean J Pathol. 2010;44(1):42-47.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.42

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Abstract PDF

BACKGROUND
Cyclooxygenase-2 (COX-2) is an enzyme that promotes proliferation of tumor cells. HuR is a member of the family of embryonic lethal abnormal vision-like proteins. Recent studies show that cytoplasmic HuR stabilizes the mRNA of COX-2 and regulates the expression of COX-2. Moreover, cytoplasmic HuR expression is associated with a poorer prognosis for patients with some cancers. The aim of this study was to investigate the expression patterns of and the relationship between COX-2 and HuR in gallbladder carcinoma.
METHODS
We analyzed COX-2 and HuR expression by immunohistochemical staining of 108 gallbladder carcinomas.
RESULTS
COX-2 expression and nuclear and cytoplasmic HuR expression were seen in, respectively, 61 (56.5%), 77 (71.3%), and 4 (3.7%) cases. COX-2 and nuclear HuR were simultaneously expressed in 44 of the 108 samples without any quantitative association between the levels of each. COX-2 expression correlated with tumor stage, differentiation (based on histology), lymph node metastasis, perineural invasion, and survival. Nuclear and cytological expression of HuR did not correlate with any clinical parameters.
CONCLUSIONS
COX-2 expression but not HuR may play an important role in the prognosis of patients with gallbladder carcinoma.

Citations

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Prognostic molecular markers in resected extrahepatic biliary tract cancers; a systematic review and meta-analysis of immunohistochemically detected biomarkers
Robert P Jones, Nicholas TE Bird, Richard A Smith, Daniel H Palmer, Steven W Fenwick, Graeme J Poston, Hassan Z Malik
Biomarkers in Medicine.2015; 9(8): 763. CrossRef

Availability of Immunohistochemistry in the Diagnosis of Follicular Variant of Papillary Thyroid Carcinoma.: Ji Yun Jeong, Jung Sik Jang, Yoon Kyung Sohn, Jin Hyang Jung, Yi Kyeong Chun, Ji Young Park; Korean J Pathol. 2010;44(1):48-55.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.48

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Abstract PDF

BACKGROUND
Making the diagnosis of the follicular variant of papillary thyroid carcinoma (FVPTC) is often difficult, and there are no accurate immunohistochemical or molecular markers. The purpose of this study is to evaluate performing immunohistochemistry to make the diagnosis of FVPTC.
METHODS
A total of 249 thyroid lesions were studied. We made the tissue microarray, and we assessed the expression of HBME-1, galectin-3, CD56, and p63.
RESULTS
Galectin-3, HBME-1, and p63 were positive in 79.7%, 79.7%, and 15.9% of the FVPTC, respectively. These immunohistochemical features of FVPTC were between those of classic papillary thyroid carcinoma (CPTC) and those of non-PTC. The CD56 expression was positive in 75.4% of the FVPTC, which is much higher than that of the CPTC (28.3%), and even higher than that of the non-PTC lesions (60%). Comparing FVPTC with CPTC, the expression of galectin-3 was significantly higher and the expression of CD56 was significantly lower in the CPTCs. Comparing the FVPTC with follicular carcinoma (FC), the expression of all the markers was significantly higher in the FVPTC. Comparing PTC with FC, the expression of CD56 was lower and the expressions of the other markers were higher in the PTCs.
CONCLUSIONS
Galectin-3, HBME-1, and p63 can help make the diagnosis of FVPTC, and a cocktail of these markers can be even more useful. But CD56 is not thought to be useful to make the diagnosis of FVPTC.

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A Case of Multifocal Papillary Thyroid Carcinoma Consisting of One Encapsulated Follicular Variant withBRAFK601E Mutation and Three Conventional Types withBRAFV600E Mutation
Wook Youn Kim, Young Sin Ko, Tae Sook Hwang, Hye Seung Han, So Dug Lim, Wan Seop Kim, Seo Young Oh
Korean Journal of Pathology.2013; 47(3): 293. CrossRef

Pathologic Findings of Surgically Resected Nontuberculous Mycobacterial Pulmonary Infection.: Hye Jong Song, Jung Suk An, Joungho Han, Won Jung Koh, Hong Kwang Kim, Yong Soo Choi; Korean J Pathol. 2010;44(1):56-62.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.56

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Abstract PDF: BACKGROUND
Surgical resection of the involved lung for nontuberculous mycobacteria (NTM) has become an important curative therapy. However, there is limited information on the histopathological features of NTM pulmonary disease in Korean patients with NTM infection.
METHODS
We evaluated 51 specimens from 49 patients who were treated at our referral center from 2002 to 2009.
RESULTS
Almost all the cases showed bronchiectasis with lymphocytic infiltration. Variable features of granulomatous inflammation were found; well-defined granulomas in the parenchyma (68.6%), pneumonia-like granulomatous lesions (49.0%) and granulomatous inflammation in the bronchial wall (41.2%) were identified. The microscopic findings of cavitary lesions (37.3%) showed that these lesions were composed of granulomas and necrosis.
CONCLUSIONS
The differentiation of tuberculosis from NTM could not be accurately made based solely on the histological features. However, the airway centered tendency of NTM reflected an airborn etiology, and this could be correlated with the classification according to the radiological findings. In addition, coexisting constitutional lung diseases, and especially bronchiectasis, were suspected to be predisposing conditions for NTM organisms to colonize and progress to true NTM pulmonary disease.

Histological and Immunohistochemical Findings of the Intermediate Trophoblasts in Normal Full Term and Pre-eclamptic Placentas.: Sang Hak Han, Kyu Rae Kim, Yonghee Lee, Jae Y Ro; Korean J Pathol. 2010;44(1):63-69.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.63

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Abstract PDF: BACKGROUND
Recent studies have suggested that implantation site intermediate trophoblasts (ISITs) and chorionic type intermediate trophoblasts (CTITs) show different immunohistochemical findings, and that each type has specific location in placentas. However, we observed that both subtypes are intimately admixed in many areas of the placentas and both types are proliferated around the infarcts.
METHODS
In order to examine the site specificity in their distribution and the changes of intermediate trophoblasts (ITs), if any, in the pre-eclamptic placentas, quantitative analyses of ISITs and CTITs using p63, CD146, placental alkaline phosphatase, human placental lactogen, and alpha-inhibin were performed in normal and pre-eclamptic placentas containing infarcts.
RESULTS
In the fetal membranes of both normal and pre-eclamptic placentas, CTITs and ISITs were equally identified, forming distinct layers. ISITs were predominant in the intervillous septum and basal plate, while CTITs were predominant in the subchorionic area. At the margin of infarcts in pre-eclamptic placentas, both subtypes were increased in number, forming distinct layers.
CONCLUSIONS
The subtypes of ITs do not have site specificity in placentas. Increased number of ITs and zonal distribution around infarcts suggest that CTITs and ISITs have differentiation associated relationship, and the differentiation might be related to the microenvironment of placenta, such as intraplacental oxygen concentration.

Metastatic Tumors to the Breast from Extramammary Malignancies.: Bong Hee Park, Yonghee Lee, Sei Hyun Ahn, Hak Hee Kim, Sung Bae Kim, Gyungyub Gong; Korean J Pathol. 2010;44(1):70-76.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.70

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Abstract PDF

BACKGROUND
Metastases to the breast from extramammary malignancies are very rare. We describe here the clinicopathologic features of the metastatic breast tumors that were identified in Korean patients at a single institute.
METHODS
We analyzed the clinicopathologic data of the patients who were diagnosed between January 1989 and April 2009 at Asan Medical Center.
RESULTS
Only 31 (0.21%) patients with metastases to the breast from extramammary malignancies were diagnosed over a 20-year period, and 29 of them had available data. The mean time to the diagnosis of metastasis after the diagnosis of the primary malignancy was 21 months (range, 0 to 102 months). The most common primary site was the stomach, followed by the uterus and lung. The most common histologic type was adenocarcinoma. A common clinical presentation was a unilateral palpable mass. Most metastatic tumors had morphological features that were similar to those of their respective primary tumors. However, in situ carcinoma, microcalcification and desmoplastic reactions were rarely observed.
CONCLUSIONS
Metastatic breast lesions from extramammary sites are extremely rare, and the stomach, uterus and lung could be considered as the common primary sites in Korean patients. The clinical history and comparing the morphology of the primary tumor with the morphology of the metastatic tumor are important for achieving the proper diagnosis.

Citations

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Histological clues to the diagnosis of metastasis to the breast from extramammary malignancies
Andrew H S Lee, Zsolt Hodi, Irshad Soomro, Vishakha Sovani, Areeg Abbas, Emad Rakha, Ian O Ellis
Histopathology.2020; 77(2): 303. CrossRef

The Analysis and Clinical Usefulness of HPV DNA Chip Test in the Uterine Cervix.: Joo hyeon Jeong, Hyun Yee Cho, Na Rae Kim, Dong Hae Chung, Sanghui Park, Seung Yeon Ha; Korean J Pathol. 2010;44(1):77-82.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.77

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Abstract PDF

BACKGROUND
The genotypes of human papillomavirus (HPV) are important in carcinogenesis in uterine cervical cancer and may be different in geographic distribution.
METHODS
In 2,086 women, we analyzed the prevalence of HPV and HPV genotypes in uterine cervix by HPV-DNA chip test (n = 2,086), cytology (PAP smear, n = 1997) and biopsy (n = 546).
RESULTS
Of the 2,086 cases, 1,019 cases (48.8%) were HPV-positive and 1,067 cases (51.2%) were negative for HPV. Single infection occurred most commonly (72.1% of women). HPV genotypes in the high-risk and low-risk groups, respectively were HPV-16/-58/-18/-52/-53 and HPV-70/-6/-11. The detection rates of HPV-70 in subjects older than 50 years increased significantly (p < 0.05). Infection in high risk subjects was detected in high grade lesions compared with infection in low risk subjects (p < 0.05).
CONCLUSIONS
HPV-16/-58/-18/-52/-53/-70/-6/-11 genotypes were common in the patient group similar to findings in East Asia. HPV-70 infection is predominant in those older than 40 years.

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Current Status of and Perspectives on Cervical Cancer Screening in Korea
Sung-Chul Lim, Chong Woo Yoo
Journal of Pathology and Translational Medicine.2019; 53(4): 210. CrossRef
Cervical cytology of atypical squamous cells, cannot exclude high-grade squamous intra-epithelial lesion: significance of age, human papillomavirus DNA detection and previous abnormal cytology on follow-up outcomes
Chang Ohk Sung, Young Lyun Oh, Sang Yong Song
European Journal of Obstetrics & Gynecology and Reproductive Biology.2011; 159(1): 155. CrossRef
Cytomorphologic Features According to HPV DNA Type in Histologically Proven Cases of the Uterine Cervix
In Ho Choi, So-Young Jin, Dong Wha Lee, Dong Won Kim, Yoon Mi Jeen
The Korean Journal of Pathology.2011; 45(6): 612. CrossRef

Case Reports

Intraductal Papillary Mucinous Tumor Simultaneously Involving the Liver and Pancreas: A Case Report.: Bong Hee Park, Jae Hee Suh, Hee Jeong Cha, Young Min Kim, Hye Jeong Choi; Korean J Pathol. 2010;44(1):83-86.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.83

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Abstract PDF

We describe here a 67-year-old man who was diagnosed with a rare case of intraductal papillary mucinous tumors that occurred simultaneously in the liver and pancreas. Abdominal computed tomography showed a tubular and cystic dilatation of the pancreatic duct in the pancreas tail, which suggested an intraductal papillary mucinous tumor (IPMT), and multiple intrahepatic duct stones. The patient underwent a distal pancreatectomy with splenectomy and a lateral segmentectomy of the liver. Microscopic examination showed an intraductal papillary mucinous neoplasms of borderline malignancy in the pancreas and a non-invasive intraductal papillary mucinous tumor with moderate dysplasia of the bile duct. Although several cases of intraductal papillary mucinous neoplasm of the liver (IPNL) without any pancreatic association have been described, the simultaneous presentation of both IPMT of the pancreas and IPNL is very rare. The patient has been doing well for 10 months postoperatively.

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Reoperation for heterochronic intraductal papillary mucinous neoplasm of the pancreas after bile duct neoplasm resection: A case report
Gang Xiao, Tao Xia, Yi-Ping Mou, Yu-Cheng Zhou
World Journal of Gastrointestinal Surgery.2023; 15(7): 1542. CrossRef
Intraductal papillary neoplasm of the bile duct: The new frontier of biliary pathology
Federico Mocchegiani, Paolo Vincenzi, Grazia Conte, Daniele Nicolini, Roberta Rossi, Andrea Benedetti Cacciaguerra, Marco Vivarelli
World Journal of Gastroenterology.2023; 29(38): 5361. CrossRef
Multicentric recurrence of intraductal papillary neoplasm of bile duct after spontaneous detachment of primary tumor: A case report
Hiroki Fukuya, Akifumi Kuwano, Shigehiro Nagasawa, Yusuke Morita, Kosuke Tanaka, Masayoshi Yada, Akihide Masumoto, Kenta Motomura
World Journal of Clinical Cases.2022; 10(3): 1000. CrossRef
Co-occurrence of IPMN and malignant IPNB complicated by a pancreatobiliary fistula: A case report and review of the literature
Xu Ren, Chun-Lan Zhu, Xu-Fu Qin, Hong Jiang, Tian Xia, Yong-Ping Qu
World Journal of Clinical Cases.2019; 7(1): 102. CrossRef
Synchronous pancreatic adenocarcinoma and intrahepatic cholangiocarcinoma arising in the context of intraductal papillary neoplasms
Anmol Bansal, Swan N. Thung, Hongfa Zhu, Myron Schwartz, Sara Lewis
Clinical Imaging.2016; 40(5): 897. CrossRef

A Case of Gastric Carcinosarcoma with Neuroendocrine and Smooth Muscle Differentiation.: Se Min Jang, Si Hyong Jang, Kyueng Whan Min, Woong Na, Young Jin Jun, Seung Sam Paik; Korean J Pathol. 2010;44(1):87-91.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.87

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Abstract PDF

Carcinosarcoma of the stomach is a rarely occurring malignant biphasic tumor that consists of both carcinomatous and sarcomatous components simultaneously in a single tumor. The common carcinoma component is tubular or papillary adenocarcinoma and the mesenchymal sarcomatous components are variable and these include leiomyosarcoma, rhabdomyosarcoma, osteosarcoma and chondrosarcoma. However, neuroendocrine carcinomatous differentiation in the carcinomatous component is extremely rare. We present here a rare gastric carcinosarcoma that demonstrated neuroendocrine carcinomatous and leiomyosarcomatous differentiation in a 47-year-old man.

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Asymptomatic giant gastric carcinosarcoma
Hitesh Sarda, Anshuman Pandey, Abhishek Gatuam, Hareesh Shanthappa Nellikoppad
BMJ Case Reports.2023; 16(10): e255680. CrossRef
Carcinosarcoma of Stomach Confined to the Mucosa
Hirohiko Kuroda, Hiroaki Saito, Yusuke Kono, Yuki Murakami, Yuji Shishido, Tomoyuki Matsunaga, Yoji Fukumoto, Tomohiro Osaki, Keigo Ashida, Kanae Nosaka, Yoshihisa Umekita, Yoshiyuki Fujiwara
Yonago Acta Medica.2017; 60(4): 246. CrossRef
A Rare Case of Gastric Carcinosarcoma with Neuroendocrine Differentiation
Hae Jin Shin, Jong Seok Ju, Hee Seok Moon, Sun Hyung Kang, Jae Kyu Sung, Hyun Yong Jeong, Kyu Sang Song
The Korean Journal of Helicobacter and Upper Gastrointestinal Research.2014; 14(2): 121. CrossRef
Gastric Sarcomatoid Carcinoma
Fabio Carboni, Giovanni Battista Levi Sandri, Mario Valle, Renato Covello, Alfredo Garofalo
Journal of Gastrointestinal Surgery.2013; 17(11): 2025. CrossRef
Gastric carcinosarcoma: A case report and review of the literature
ROBERTO CIROCCHI, STEFANO TRASTULLI, JACOPO DESIDERIO, VERONICA GRASSI, IVAN BARILLARO, ALBERTO SANTORO, CARLO BOSELLI, NICOLA AVENIA, GIUSEPPE NOYA, ANGELO DE SOL
Oncology Letters.2012; 4(1): 53. CrossRef

Adnexal Clear Cell Carcinoma with Comedonecrosis: A Case Report.: Seo Hee Kim, Sun Hee Han, Jung Suk An, Ju Han Lee, Eung Seok Lee, Heum Rye Park, Young Sik Kim; Korean J Pathol. 2010;44(1):92-96.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.92

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Abstract PDF: Adnexal clear cell carcinoma with comedonecrosis (ACCCC) is a very rare malignancy of the skin with an aggressive clinical course and a predilection for the scalp. This is the first reported case of ACCCC in Korea. A 79-year-old male presented with left abdominal masses that proved to be two subcutaneous nodules. The tumors histologically consisted of epithelial nests that showed a distinctive zonal arrangement. The centrally located clear cell areas with comedonecroses were merged with the peripheral squamoid cells, often exhibiting retraction artifacts and an infiltrating border. Nuclear pleomorphism and frequent mitoses were prominent. The clear cells were immunopositive for carcinoembryonic antigen and epithelial membrane antigen. We report here on a case of ACCCC involving the abdominal skin, and this tumor should be distinguished from the more indolent squamous cell and tricholemmal carcinomas.

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