Journal of Pathology and Translational Medicine

Volume 45(1); February 2011

Original Articles

Effect of Selective Cyclooxygenase 2 Inhibitor in TCDD Pre-exposed Thyroid Papillary Carcinoma Cell Line.: Hae Sung Kim, Kwang Sung Ahn, Jeong Hyeon Lee, Yang Seok Chae, Nam Hee Won, Jong Sang Choi, Chul Hwan Kim; Korean J Pathol. 2011;45(1):1-8.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.1

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BACKGROUND
Cyclooxygenase 2 (COX-2) is related to carcinogenesis and progression of cancer. COX-2 has been detected in thyroid cancer. This suggests that COX-2 inhibitor may be useful to control the growth of thyroid cancer cells as well as the progression of thyroid cancer. Tetrachlorodibenzodioxin (TCDD), acting as an inflammatory cytokine, directly induces the expression of COX-2. We examine whether TCDD controls the effect of COX-2 inhibitor on thyroid cancer cells.
METHODS
The effects of TCDD and celecoxib on thyroid papillary carcinoma cell line (SNU790) were examined using cell proliferation and fluorescence-activated cell sorting analysis. Western blot analysis was performed to determine the expressed COX-2 levels and the cell cycle-related proteins. The matrix metalloproteinase-2 (MMP-2) expression and gelatinolytic activity were examined using real time-polymerase chain reaction and zymography.
RESULTS
TCDD directly induced the growth of SNU790 and the expression of cyclin D1, cyclin A, cyclin E, p21 and COX-2. Celecoxib suppressed the growth of SNU790 and the expression of cyclin D1 and cyclin E. Celecoxib reduced the MMP-2 expression and the gelatinolytic activity, but those effects were decreased in the SNU790 by either pre-treatment with TCDD or co-treatment with TCDD and celecoxib.
CONCLUSIONS
Celocoxib effect is directly reduced depending on the exposure to TCDD. TCDD exposure should be considered in the treatment with Celecoxib.

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Histone H3 phosphorylation, immediate-early gene expression, and the nucleosomal response: a historical perspective1This article is part of Special Issue entitled Asilomar Chromatin and has undergone the Journal’s usual peer review process.
Shannon Healy, Protiti Khan, Shihua He, James R. Davie
Biochemistry and Cell Biology.2012; 90(1): 39. CrossRef

Comparative Study of Relative Value for Diagnostic Procedure of Surgical Pathology in Korea and United States.: Ilseon Hwang, Yu Na Kang, Kun Young Kwon, Sun Young Kwon, Sang Pyo Kim, Sang Sook Lee, Hye Ra Jung, Mi Sun Choe; Korean J Pathol. 2011;45(1):9-14.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.9

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Abstract PDF

BACKGROUND
Pathologic examination is a very important diagnostic procedure. It is the most important method to decide the therapeutic plan and to predict the prognosis of cancer patients. The Resource-Based Relative Value Scale (RBRVS) is a schema used to determine how much money medical providers should be paid. In Korea, a modified RBRVS has been used since the year 2000.
METHODS
We researched the July 2010 RBRVS for Korea and the US medicare. The individual Relative Evaluation Index (REI) is defined as the ratio of an individual RBRVS to the mean RBRVS. The REIs of pathologic examination in Korea and America were compared.
RESULTS
For an endoscopic biopsy specimen, the pathologic examination REI in Korea was 55.4% of the American REI. The Korean REI of a prostate biopsy (8 sites) was only 5.7% of the American REI. The Korean REI was 28.1% of the American REI for the hysterectomy for uterine myoma, and the Korean REI was 67.6% of the American REI for resection of stomach or colon cancer.
CONCLUSIONS
The RBRVS of pathologic examination in Korea remains undervalued. Considering the importance of pathologic examination in medicine, the RBRVS in Korea should be increased.

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Diminutive and Small Colorectal Polyps: The Pathologist's Perspective
Yun Kyung Kang
Clinical Endoscopy.2014; 47(5): 404. CrossRef
Early Colorectal Epithelial Neoplasm in Korea: A Multicenter Survey of Pathologic Diagnosis
Yun Kyung Kang, So-Young Jin, Mee Soo Chang, Jung Yeon Kim, Gyeong Hoon Kang, Hye Seung Lee, Jin Hee Sohn, Ho Sung Park, Kye Won Kwon, Mi Jin Gu, Young Hee Maeng, Jong Eun Joo, Haeng Ji Kang, Hee Kyung Kim, Kee-Taek Jang, Mi Ja Lee, Hee Kyung Chang, Joon
Korean Journal of Pathology.2013; 47(3): 245. CrossRef

Prognostic Implications of the Expression of CXCL16 in Breast Carcinoma.: Dong Youl Choi, Ran Hong, Sung Churl Lim, Keun Hong Kee, Chae Hong Suh, Mija Lee; Korean J Pathol. 2011;45(1):15-20.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.15

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Abstract PDF

BACKGROUND
Of the many prognostic factors for breast cancer, the relationship between an infiltration of inflammatory cells and the prognosis is debatable. Of the chemokines affecting cancer's inflammatory reactions, chemokine (C-X-C motif) ligand 16 (CXCL16) has attracted attention for its prognostic value in many cancers, including colorectal cancer and renal cell carcinoma. But the situation for breast carcinoma is unknown. The aim of this study was to examine the relationship between the prognostic factors and the CXCL16 expression in patients with breast carcinoma.
METHODS
The patients (n=106) diagnosed with invasive ductal cancer of the breast were enrolled. We reviewed the clinicopathological factors of these patients, hematoxylin and eosin stains were prepared and estrogen receptor (ER), human epidermal growth factor receptor 2 (HER2/neu) and CXCL16 immunostaining was performed.
RESULTS
The ER expression was significantly correlated with age and inflammation. A CXCL16 expression was noted in 81.1% of the cases. No association was evident between a CXCL16 expression and any other parameter, including the survival rate. Multivariate analysis did not implicate ER, HER2/neu or CXCL16 as an independent prognostic factor, but the tumor size was independent predictive factor for the patient outcome.
CONCLUSIONS
An inflammatory reaction mediated by CXCL16 is not associated with the prognosis of breast cancer or any clinicopathological factors.

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The Emerging Role of CXC Chemokines And Their Receptors in Cancer
Victoria Vinader, Kamyar Afarinkia
Future Medicinal Chemistry.2012; 4(7): 853. CrossRef

A Consideration of MGMT Gene Promotor Methylation Analysis for Glioblastoma Using Methylation-Specific Polymerase Chain Reaction and Pyrosequencing.: Sang Hwa Lee, Tae Sook Hwang, Young Cho Koh, Wook Youn Kim, Hye Seung Han, Wan Seop Kim, Young Sin Ko, So Dug Lim; Korean J Pathol. 2011;45(1):21-29.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.21

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Abstract PDF

BACKGROUND
O6-methylguanine-DNA methyltransferase (MGMT) gene promoter methylation is currently the most promising predictive marker for the outcome and benefit from temozolomide treatment in patients with glioblastoma, but there is no consensus on the analysis method for assessing the methylation status in the molecular diagnostic field. The objective of this study was to evaluate methylation-specific polymerase chain reaction (MSP) and pyrosequencing methods for assessing MGMT gene promotor methylation of glioblastoma as well as assessing the MGMT protein expression by immunohistochemistry.
METHODS
Twenty-seven cases of glioblastoma from the archives at the Department of Pathology Konkuk University Hospital were selected. MGMT promoter methylation was evaluated by MSP and the pyrosequencing methods. The MGMT expression was also measured at the protein level by immunohistochemistry.
RESULTS
Overall, MGMT hypermethylation was observed in 44.4% (12/27 cases) of the case of glioblastoma using either MSP or pyrosequencing. The concordant rate was 70.3% (19/27 cases) between MSP and pyrosequencing for MGMT methylation. There was no correlation between MGMT methylation and the protein expression. No significant differences in progression free survival and overall survival were seen between the methylated group and the unmethylated group by using either MSP or pyrosequencing. The status of the MGMT protein expression was correlated with progression free survival (p=0.026).
CONCLUSIONS
In this study the concordance rate between MSP and the pyrosequencing methods for assessing MGMT gene promotor methylation was relatively low for the cases of glioblastoma. This suggests that more reliable techniques for routine MGMT methylation study of glioblastoma remain to be developed because of quality control and assurance issues.

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Prognostic Role of Methylation Status of theMGMTPromoter Determined Quantitatively by Pyrosequencing in Glioblastoma Patients
Dae Cheol Kim, Ki Uk Kim, Young Zoon Kim
Journal of Korean Neurosurgical Society.2016; 59(1): 26. CrossRef
Distinct genetic alterations in pediatric glioblastomas
Sun-ju Byeon, Jae Kyung Myung, Se Hoon Kim, Seung-Ki Kim, Ji Hoon Phi, Sung-Hye Park
Child's Nervous System.2012; 28(7): 1025. CrossRef
MGMTGene Promoter Methylation Analysis by Pyrosequencing of Brain Tumour
Young Zoon Kim, Young Jin Song, Ki Uk Kim, Dae Cheol Kim
The Korean Journal of Pathology.2011; 45(5): 455. CrossRef

Use of Calretinin, CD56, and CD34 for Differential Diagnosis of Schwannoma and Neurofibroma.: Ji Young Park, Hoon Park, Nam Jo Park, June Sik Park, Hyun Jung Sung, Sang Sook Lee; Korean J Pathol. 2011;45(1):30-35.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.30

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Abstract PDF

BACKGROUND
It is important to differentiate between schwannomas and neurofibromas for the cases in which the histopathologic features overlap. Depending on the tumor type, surgeons can decide on a treatment method and whether to preserve or sacrifice the nerve; the possibility of malignant transformation in the case of neurofibromas also needs to be considered.
METHODS
We studied 101 cases of schwannoma and 103 cases of neurofibroma. All the hematoxylin and eosin slides for these cases were reviewed, and tissue microarrays were prepared from the representative areas. Immunohistochemical analysis was performed using antibodies for S-100 protein, calretinin, CD56 and CD34.
RESULTS
All the tumors except 3 neurofibromas were positive for the S-100 protein. Calretinin was found in 26.7% of the schwannomas (27/101), but it was not found in any of the neurofibromas. CD56 was positive in 77.2% of the schwannomas (78/101) and in 9.8% of the neurofibromas (10/102). CD34 was positive in 42.5% of the schwannomas (43/101) and in 80.2% of the neurofibromas (81/101). Statistically, calretinin was significantly specific for schwannomas (p<0.001) and CD56 was also sensitive for these tumors (p<0.001). On the other hand, a CD34 expression seemed highly sensitive (p<0.001) for neurofibromas.
CONCLUSIONS
We concluded that combined immunohistochemical analysis for calretinin, CD56, and CD34 may be very useful for differentiating schwannomas from neurofibromas.

Citations

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Ancient cervical vagal schwannoma and an interposition great auricular to vagus nerve graft
Nicholas Figaro, Rickhi Ramoutar, David Richards, Rodolfo Arozarena, Mala Geelal, Solaiman Juman
Edorium Journal of Otolaryngology.2024; 5(2): 1. CrossRef
Lung schwannomas, an unusual entity
Nazia M. Walvir, Rumana H. Makhdoomi, Meesa Zargar, Aiffa Aiman, Shadab Maqsood
Lung India.2023; 40(1): 70. CrossRef
A Spectrum of Histomorphological and Immunohistochemical Expression Profiles of S-100, CD56 and Calretinin in Benign Peripheral Nerve Sheath Tumours
Poornima Jaiswal, Anand CD, Jaison Jacob John
Cureus.2023;[Epub] CrossRef
An unusual diffuse CD34 staining in an olfactory groove cellular schwannoma: Case report
Marios Theologou, Jorge D. Perez Ruiz, Panagiotis Varoutis, Nicolaos Flaris, Nikolaos `Skoulios
Archivos de Neurociencias.2023;[Epub] CrossRef
An unusual diffuse CD34 staining in an olfactory groove cellular schwannoma: Case report
Marios Theologou, Jorge D. Perez Ruiz, Panagiotis Varoutis, Nicolaos Flaris, Nikolaos `Skoulios
Archivos de Neurociencias.2023;[Epub] CrossRef
Intranodal Neurofibroma: A Case Report and Literature Review
Steven H. Adams, Tara L. Huston, Daniel Lozeau
The American Journal of Dermatopathology.2022; 44(4): 306. CrossRef
A rare case of pseudoglandular schwannoma
Fadime Eda GÖKALP SATICI, Hamide SAYAR
Journal of Surgery and Medicine.2022; 6(4): 1. CrossRef
Gastric Schwannoma as an Important and Infrequent Differential Diagnosis of Gastric Mesenchymal Tumours: A Case Report and Review of Literature
Abdalla Saad Abdalla Al-Zawi, Salma Lahmadi, Saman Jalilzadeh Afshari, Ipshita Kak, Salem Alowami
Cureus.2022;[Epub] CrossRef
Spindle cell proliferations of the sigmoid colon, rectum and anus: a review with emphasis on perineurioma
Patrice Grech, John B Schofield
Histopathology.2020; 76(3): 342. CrossRef
Large retroperitoneal schwannoma: a rare cause of chronic back pain
Milan Radojkovic, Dragan Mihailovic, Miroslav Stojanovic, Danijela Radojković
Journal of International Medical Research.2018; 46(8): 3404. CrossRef
Nasal Septal Schwannoma
Hyun Jin Min, Seok Chan Hong, Kyung Soo Kim
Journal of Craniofacial Surgery.2017; 28(1): e97. CrossRef
Neurofibroma of the Colon: A Diagnostic Mimicker of Gastrointestinal Stromal Tumor
Soomin Ahn, Choon Sik Chung, Kyoung-Mee Kim
Case Reports in Gastroenterology.2016; 10(3): 674. CrossRef
Solitary Epibulbar Neurofibroma in Older Adult Patients
Thais Shiota Tanaka, Victor M. Elner, Hakan Demirci
Cornea.2015; 34(4): 475. CrossRef
Syncytial nuclear aggregates in normal placenta show increased nuclear condensation, but apoptosis and cytoskeletal redistribution are uncommon
S.J. Coleman, L. Gerza, C.J.P. Jones, C.P. Sibley, J.D. Aplin, A.E.P. Heazell
Placenta.2013; 34(5): 449. CrossRef
Analysis of syncytial nuclear aggregates in preeclampsia shows increased sectioning artefacts and decreased inter-villous bridges compared to healthy placentas
S.J. Calvert, C.J.P. Jones, C.P. Sibley, J.D. Aplin, A.E.P. Heazell
Placenta.2013; 34(12): 1251. CrossRef

Pathologic Differences between Placentas from Intrauterine Growth Restriction Pregnancies with and without Absent or Reversed End Diastolic Velocity of Umbilical Arteries.: Changyoung Yoo, Dong Gyu Jang, Yun Sung Jo, Jinyoung Yoo, Guisera Lee; Korean J Pathol. 2011;45(1):36-44.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.36

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Abstract PDF

BACKGROUND
Abnormal umbilical artery Doppler velocimetry is one of the important findings of intrauterine growth restriction (IUGR) and IUGR is associated with high perinatal morbidity and mortality. In addition, this abnormal Doppler velocimetry is correlated with placental insufficiency. The aim of this study was to determine the pathologic differences in the placentas from IUGR pregnancies with and without the absent or reversed end diastolic velocity (AREDV).
METHODS
Among the cases that had undergone prenatal follow-up in our institute, a retrospective slide review was conducted for 18 cases of IUGR with AREDV and 17 cases with IUGR that had normal end-diastolic flow of the umbilical artery.
RESULTS
The birth weight and the other clinical parameters were not different among the two groups. Grossly, the placental weight percentiles were significantly smaller in AREDV group when they were adjusted according to gestational age. Histologically, chronic deciduitis, mural hypertrophy of the decidual arteries, an intimal fibrin cushion of the large fetal vessels, increased syncytial knots, villous agglutinations, avascular villi, villous stromal-vascular karyorrhexis, and acute atherosis were more frequently found in the AREDV group and their presence showed statistical significance.
CONCLUSIONS
These findings suggest that pathologic abnormalities due to fetal and maternal vasculopathies in the placenta may be the cornerstone for inducing AREDV in the umbilical artery.

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Histological Evaluation of Placentas in Idiopathic Intrauterine Growth Restriction
Saadi S Barwari
Cureus.2024;[Epub] CrossRef
Defining early vs late fetal growth restriction by placental pathology
Amir Aviram, Christopher Sherman, John Kingdom, Arthur Zaltz, Jon Barrett, Nir Melamed
Acta Obstetricia et Gynecologica Scandinavica.2019; 98(3): 365. CrossRef
HISTOPATHOLOGICAL CHANGES OF PLACENTA IN PRETERM PREGNANCY WITH SPECIAL REFERENCE TO INTRAUTERINE GROWTH RESTRICTION
Prathibha S.D, Anitha N, Samikshya Ray, Jayaprakash H.T
Journal of Evidence Based Medicine and Healthcare.2016; 3(63): 3430. CrossRef
Preliminary Study on Neurodevelopmental Outcome and Placental Pathology among Extremely Low Birth Weight Infants
Seong-Hee Oh, Jong-jae Kim, Hyun-jeong Do, Byong Sop Lee, Ki-Soo Kim, Ellen Ai-Rhan Kim
Korean Journal of Perinatology.2015; 26(1): 67. CrossRef
Chronic Placental Inflammation in Twin Pregnancies
Heejin Bang, Go Eun Bae, Ha Young Park, Yeon Mee Kim, Suk-Joo Choi, Soo-young Oh, Cheong-Rae Roh, Jung-Sun Kim
Journal of Pathology and Translational Medicine.2015; 49(6): 489. CrossRef

ERCC1 Predicts a Poorer Platinum-based Chemotherapy Outcome but a Better Outcome for Uracil-Tegafur in the Resected Stage I-II NSCLC.: Han Suk Ryu, Xianhua Xu, Hyojin Kim, Jong Suk Lee, Sanghoon Jheon, Jin Haeng Chung; Korean J Pathol. 2011;45(1):45-52.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.45

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Abstract PDF: BACKGROUND
The role of excision repair cross-complementation group 1 (ERCC1) has been controversial in non-small cell lung cancer (NSCLC) patients who received adjuvant chemotherapy with a platinum agent. We investigated ERCC1 expression in stage I-II NSCLC to clarify its significance for adjuvant chemotherapy.
METHODS
The ERCC1 expression profile was evaluated by immunohistochemistry and compared according to adjuvant chemotherapeutic agents in 146 patients who underwent surgical resection for stage I-II NSCLC. The patients were divided into 3 groups; adjuvant chemotherapy with a platinum based agent (18.5%, 27/146); adjuvant chemotherapy with uracil-tegafur (UFT) (40.4%, 59/146); surgery-alone (41.1%, 60/146).
RESULTS
Nuclear ERCC1 expression was detected in 71.9% (105/146) of NSCLC and was significantly associated with a shortened survival period in the group 1 patients who received the platinum based regimen after surgery. The group 2 patients who received UFT showed the longest survival period, followed by the surgery-alone group (overall survival, p=0.049; disease-free survival [DFS], p<0.001).
CONCLUSIONS
These results suggest that stage I-II NSCLC patients with ERCC1 expression experience a shorter DFS period with adjuvant chemotherapy with a platinum based regimen and may benefit from adjuvant chemotherapy with UFT, instead of platinum after surgery.

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; Korean J Pathol. 2011;45(1):53-61.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.53

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Abstract PDF

BACKGROUND
Triple negative breast cancer (TNBC) is defined as a lack of the expression of estrogen receptor, progesterone receptor and human epidermal growth factor receptor 2 in breast cancer. Many TNBCs show a profound infiltration of tumor infiltrating lymphocytes (TILs). It is still uncertain whether these TILs are protumoral or antitumoral. Regulatory T cells (Tregs) play a role in inducing immune tolerance to antigens, and they may be selectively recruited by cancer cells. This study was conducted to evaluate the significance of TILs with an emphasis on forkhead box p3 (Foxp3), which is a marker for CD25+CD4+ Treg in TNBC.
METHODS
We investigated the Foxp3, CD8 and CD4 expressions in 100 cases of TNBC by immunohistochemistry and using a tissue microarray. The Foxp3 expression was divided as the high and low infiltration groups (cut-off value=20).
RESULTS
The high infiltration group was correlated with higher histologic and nuclear grades. However, Foxp3+ Tregs were decreased in the T3 and T4 TNBCs as compared to that of the T1 and T2 TNBCs. No significant differences were found for the nodal status, lymphovascular invasion, stage, recurrence and overall survival.
CONCLUSIONS
High Foxp3+ Treg infiltration in TNBC is correlated with the nuclear and histologic grades, but there was no relation to recurrence and overall survival.

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Predictive Value of Tertiary Lymphoid Structures Assessed by High Endothelial Venule Counts in the Neoadjuvant Setting of Triple-Negative Breast Cancer
In Hye Song, Sun-Hee Heo, Won Seon Bang, Hye Seon Park, In Ah Park, Young-Ae Kim, Suk Young Park, Jin Roh, Gyungyub Gong, Hee Jin Lee
Cancer Research and Treatment.2017; 49(2): 399. CrossRef
Zonal Difference and Prognostic Significance of Foxp3 Regulatory T Cell Infiltration in Breast Cancer
Sewha Kim, Anbok Lee, Woosung Lim, Sanghui Park, Min Sun Cho, Heasoo Koo, Byung-In Moon, Sun Hee Sung
Journal of Breast Cancer.2014; 17(1): 8. CrossRef

The Expression Pattern of Annexin A1 in Urinary Bladder Urothelial Carcinoma and Its Clinicopathologic Significance.: Hojung Lee, Seung Kyu Choi, Young Ok Hong, Won Mi Lee, Sook Kyung Ko, Eun Kyung Kim, Jong Eun Joo; Korean J Pathol. 2011;45(1):62-68.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.62

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Abstract PDF: BACKGROUND
Annexin A1 (ANXA1) is known to be involved in the progression and differentiation of various tumors. However, its significance and role in bladder carcinogenesis has not been fully elucidated. To determine the role ANXA1 plays in urothelial carcinoma (UC), we investigated the expression of ANXA1 protein in normal urothelial tissue, carcinoma in situ (CIS), and UC of the urinary bladder.
METHODS
Protein expression level of ANXA1 and its subcellular localization were analyzed in 88 cases of UCs and corresponding 24 normal tissues and 24 CISs by immunohistochemistry.
RESULTS
ANXA1 was significantly down-regulated at all subcellular localization in CIS and in the cytoplasm and membrane of cells of UC, compared to normal tissues. No significant correlation between ANXA1 expression level and tumor depth (pT), growth pattern, and recurrence was found. However, cytoplasmic and membranous ANXA1 were significantly up-regulated in high grade than in low grade UC (p=0.02 in cytoplasm and p=0.03 in membrane).
CONCLUSIONS
These results suggest that ANXA1 dysregulation is involved in urothelial carcinogenesis and ANXA1 is potentially a marker for the pathologic differentiation of UC.

Molecular Biological Characteristics of Differentiated Early Gastric Cancer on the Basis of Mucin Expression.: Nari Shin, Hye Yeon Kim, Woo Kyung Kim, Min Gyung Park, Kyung Bin Kim, Dong Hoon Shin, Kyung Un Choi, Jee Yeon Kim, Chang Hun Lee, Gi Young Huh, Mee Young Sol, Do Youn Park; Korean J Pathol. 2011;45(1):69-78.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.69

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Abstract PDF

BACKGROUND
It is clear that the biologic characteristics of gastric cancer are different on the basis of mucin phenotypes. However, there are unabated controversies on the exact biologic differences of mucin expression in gastric cancer.
METHODS
We analyzed various protein expressions and microsatellite instability (MSI) status based on mucin expression in 130 differentiated early gastric adenocarcinoma cases. Furthermore, we evaluated the genomic alternation in 10 selected differentiated early gastric adenocarcinoma cases using array based comparative genomic hybridization (aCGH).
RESULTS
Intestinal mucin predominant subtype showed significantly elevated p53 protein and caudal-related homeobox 2 expression, and delocalization of beta catenin expressions compared to the gastric mucin predominant subtype. On MSI status, the gastric mucin predominant subtype more frequently showed unstable status than the intestinal mucin predominant subtype. CGH study showed more frequent chromosomal gain and loss in the intestinal mucin predominant subtype than the gastric mucin predominant subtype, albeit without statistical significance. Interestingly, there were significant differences in chromosomal alternation between four mucin phenotypes.
CONCLUSIONS
Study results suggest possible different points of biologic behaviors in early differentiated gastric adenocarcinomas by mucin expression type.

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Mucin Expression in Gastric Cancer: Reappraisal of Its Clinicopathologic and Prognostic Significance
Dae Hwan Kim, Nari Shin, Gwang Ha Kim, Geum Am Song, Tae-Yong Jeon, Dong-Heon Kim, Gregory Y. Lauwers, Do Youn Park
Archives of Pathology & Laboratory Medicine.2013; 137(8): 1047. CrossRef
Microsatellite Instability Status in Gastric Cancer: A Reappraisal of Its Clinical Significance and Relationship with Mucin Phenotypes
Joo-Yeun Kim, Na Ri Shin, Ahrong Kim, Hyun-Jeong Lee, Won-young Park, Jee-Yeon Kim, Chang-Hun Lee, Gi-Young Huh, Do Youn Park
Korean Journal of Pathology.2013; 47(1): 28. CrossRef

Cytologic Features of Prostatic Adenocarcinoma in Urine: Comparison with Urothelial Carcinoma.: Lucia Kim, Joo Young Song, Suk Jin Choi, In Suh Park, Jee Young Han, Joon Mee Kim, Young Chae Chu; Korean J Pathol. 2011;45(1):79-86.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.79

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Abstract PDF

BACKGROUND
Prostate adenocarcinoma (PACa) cells are rarely identified in urine cytology specimens and might be easily overlooked or misdiagnosed as urothelial neoplasm when clinically unsuspected.
METHODS
We reviewed 19 urine cytology specimens obtained from 13 patients with PACa and evaluated the characteristic features discriminating PACa from urothelial carcinoma (UCa). For comparison, 27 cases of high-grade UCa (HGUCa) and 10 cases of urothelial carcinoma in situ (UCis) were also evaluated.
RESULTS
The urine cytologic evaluation of PACa revealed clustered cells forming 3-dimensional syncytial fragments with occasional microacinar grouping in a clean background. Most tumor cells were small and uniform with a high nuclear-to-cytoplasmic ratio and indistinct cell borders. The nuclei were round-to-oval and the cytoplasm was scanty and thin. One or more centrally-located prominent nucleoli were characteristically noted in one half of the cases. The nucleoli had a well-defined, large, round and eosinophilic appearance. In four high-grade cases, large tumor cells were encountered and had relatively monotonous cells with smooth-outlined cell clusters, well-defined and thin cytoplasm, and round nuclei with characteristic prominent nucleoli.
CONCLUSIONS
Combining the information of prostate cancer and the recognition of cytomorphologic features of PACa will help differentiate PACa from HGUCa and UCis.

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Cas no 8. Infiltration de la paroi vésicale par un adénocarcinome prostatique
Monique Courtade-Saïdi
Annales de Pathologie.2025; 45(2): 147. CrossRef
The diagnostic challenge of suspicious or positive malignant urine cytology findings when cystoscopy findings are normal: an outpatient blue-light flexible cystoscopy may solve the problem
Marie Andersson, Marthe Berger, Karsten Zieger, Per-Uno Malmström, Mats Bläckberg
Scandinavian Journal of Urology.2021; 55(4): 263. CrossRef
Sensitive Time-Gated Immunoluminescence Detection of Prostate Cancer Cells Using a TEGylated Europium Ligand
Nima Sayyadi, Irene Justiniano, Russell E. Connally, Run Zhang, Bingyang Shi, Liisa Kautto, Arun V. Everest-Dass, Jingli Yuan, Bradley J. Walsh, Dayong Jin, Robert D. Willows, James A. Piper, Nicolle H. Packer
Analytical Chemistry.2016; 88(19): 9564. CrossRef

Morphometric Analysis for Pulmonary Small Cell Carcinoma Using Image Analysis.: Sun Min Jeong, Seung Yeon Ha, Jungsuk An, Hyun Yee Cho, Dong Hae Chung, Na Rae Kim, Sanghui Park; Korean J Pathol. 2011;45(1):87-91.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.87

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Abstract PDF

BACKGROUND
There are few studies of how to diagnose small cell lung cancer in cytological tests through morphometric analysis. We tried to measure and analyze characteristics of small cell carcinoma in lung by image analysis.
METHODS
We studied three types of cytologic specimens from 89 patients who were diagnosed with small cell lung cancer by immunohistochemistry. We measured area, perimeter, maximal length and maximal width of cells from small cell carcinoma using image analysis.
RESULTS
In lung aspirates, the nuclear mean area, perimeter, maximal length and maximal width of small cell lung cancer were 218.69 microm2, 55 microm, 18.48 microm and 14.65 microm. In bronchial washings, nuclear measurements were 194.66 microm2, 50.07 microm, 16.27 microm and 14.1 microm. In pleural fluid, values were 177.85 microm2, 48.09 microm, 15.7 microm and 13.37 microm.
CONCLUSIONS
Nuclear size of small cell lung carcinoma is variable and depends on the cytology method. Nuclei are spindle-shaped and larger in small cell carcinoma from lung aspirates than in bronchial washings or pleural fluid. The cytoplasms of the cells in bronchial washings and pleural fluid were swollen. Therefore, one should consider morphologic changes when trying to diagnose small cell lung cancer through cytological tests.

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Interobserver Variability in Diagnosing High-Grade Neuroendocrine Carcinoma of the Lung and Comparing It with the Morphometric Analysis
Seung Yeon Ha, Joungho Han, Wan-Seop Kim, Byung Seong Suh, Mee Sook Roh
Korean Journal of Pathology.2012; 46(1): 42. CrossRef

Case Reports

Coexistence of Intrapulmonary Bronchogenic Cyst and Congenital Cystic Adenomatoid Malformation: A Case Report.: Mee Hye Oh, Eun Ah Jung, Ji Hye Lee, Hyun Deuk Cho, Ki Hyun Seo, Seock Yeol Lee, Young Tong Kim; Korean J Pathol. 2011;45(1):92-95.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.92

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Abstract PDF

Congenital cystic lesions of the lung are uncommon and a conjunction of two or more lesions is very rare. We report here on a case of coexisting intrapulmonary bronchogenic cyst and congenital cystic adenomatoid malformation in a 13-year-old female with a cystic mass in the right upper lobe of the lung. Computed tomography showed a cystic lesion measuring 2.5 cm with an air fluid level and surrounding multicystic lesions in the right upper lobe. On gross examination, the cut surface showed a cystic mass containing inspissated mucinous material, and the cystic mass was surrounded by multiple small cysts. Microscopically, the larger cystic cavity was lined with pseudostratified ciliated columnar epithelium. The submucosal tissue contained mucinous glands and plates of cartilage. The surrounding smaller cysts or irregular spaces were lined with bronchiolar-type respiratory epithelium. We propose that this hybrid lung lesion may represent the missing link in a common embryologic pathway determined by the timing of mesenchymal and epithelial interactions.

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Case 2: Coexisting Cystic Lesions of Lung in a Term Neonate: A Management Dilemma
Bichitrananda Raut, Aakriti Soni, Susanta Kumar Badatya, Satish Saluja, Manoj Modi, Arun Soni
NeoReviews.2018; 19(9): e542. CrossRef

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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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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Ovarian angiosarcoma: A systematic review of literature and survival analysis
Shafi Rehman, Arya Harikrishna, Amisha Silwal, B.R. Sumie, Safdar Mohamed, Nisha Kolhe, Meghana Maddi, Linh Huynh, Jesus Gutierrez, Yoshita Rao Annepu, Ameer Mustafa Farrukh
Annals of Diagnostic Pathology.2024; 73: 152331. CrossRef
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

Langerhans Cell Sarcoma Arising in a Lymph Node: A Case Report and Review of the Literature.: Dong Wook Kang, Hyun Jin Son, Tae Hwa Baek, Hye Kyung Lee, Joo Ryung Huh, Joo Heon Kim, Mee Ja Park; Korean J Pathol. 2011;45(1):101-105.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.1.101

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Abstract PDF: We report a case of Langerhans cell sarcoma presented as a solitary mass in the left supraclavicular area in a 31-year-old woman. Computed tomography revealed a relatively well-defined and lightly enhancing mass in the left supraclavicular area, measuring 5.5x4.5x3.2 cm. Excision was subsequently performed. Microscopically, the specimen consisted of an enlarged and partially effaced lymph node. Nests of different size composed of atypical tumor cells were located in the paracortex and the medulla of the lymph node. The tumor cells exhibited abundant eosinophilic or clear cytoplasm and displayed marked nuclear atypia and increased mitotic figures. Infiltration of many eosinophils was identified in the periphery and between the tumor cells. The tumor cells were reactive for CD1a and S100 protein. Ultrastructually, they were found to have Birbeck granules in the cytoplasm.

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