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Volume 44(6); December 2010
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Original Articles
Uncoupling Protein 2 (UCP2) and p53 Expression in Invasive Ductal Carcinoma of Breast.
Kyu Yeoun Won, Gou Young Kim, Youn Wha Kim, Sung Jig Lim, Jeong Yoon Song
Korean J Pathol. 2010;44(6):565-570.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.565
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  • 2 Citations
AbstractAbstract PDF
BACKGROUND
Uncoupling protein 2 (UCP2) is a recently identified mitochondrial inner membrane anion carrier and a negative regulator of reactive oxygen species production. In this study, we evaluated the characteristics and relationships of UCP2 and p53 expression in breast cancer tissues.
METHODS
Tissue microarray slides from 107 cases of invasive ductal carcinoma of the breast were constructed, UCP2 and p53 immunohistochemical staining was conducted, and clinicopathological correlations were investigated.
RESULTS
UCP2 expression in invasive ductal carcinoma was high in 53 cases (49.5%), while p53 expression in invasive ductal carcinoma was high in 37 cases (34.6%). UCP2 expression was correlated significantly with histological grade (p = 0.038) and mitotic count (p = 0.050). UCP2 expression was correlated significantly with p53 expression in invasive ductal carcinoma of the breast (p = 0.045). UCP2 expression (p = 0.8308) and p53 expression (p = 0.3292) showed no significant difference for the overall survival rate in patients with invasive ductal carcinoma.
CONCLUSIONS
UCP2 expression in invasive ductal carcinoma increased proportionally with histological grade and mitotic count. High UCP2 expression in invasive ductal carcinoma was observed in conjunction with high p53 expression.

Citations

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  • Forkhead box protein A1 inhibits the expression of uncoupling protein 2 in hydrogen peroxide-induced A549 cell line
    Lan Song, Zhaojun Xu, Ling Li, Mei Hu, Lijuan Cheng, Lingli Chen, Bo Zhang
    Cell Stress and Chaperones.2014; 19(1): 53.     CrossRef
  • New Aspects of Mitochondrial Uncoupling Proteins (UCPs) and Their Roles in Tumorigenesis
    Delira Robbins, Yunfeng Zhao
    International Journal of Molecular Sciences.2011; 12(8): 5285.     CrossRef
Differences in Expression of VEGF-A, VEGFR-1, VEGFR-2 and Microvessel Density in Colorectal Cancer with Liver Metastasis.
Eun Hui Jeong, Young Kim, Byeong Woo Min, Kyung Hwa Lee, Hyun Soo Kim, Jae Hyuk Lee
Korean J Pathol. 2010;44(6):571-580.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.571
  • 2,818 View
  • 44 Download
AbstractAbstract PDF
BACKGROUND
Colorectal cancer (CRC) is one of the most common malignant neoplasms and is a leading cause of mortality worldwide. Metastasis to the liver is a frequent event in patients with CRC. An essential step in the metastatic cascade is angiogenesis.
METHODS
This study included 45 patients who underwent a partial colectomy with hepatic resection for CRC with hepatic metastases. Immunohistochemistry was performed using vascular endothelial growth factor (VEGF)-A, VEGF receptor (VEGFR)-1, VEGFR-2, and CD34 antibodies to examine the relationship between CRC with liver metastases and angiogenesis.
RESULTS
CRC showed significantly stronger expression of VEGF-A, VEGFR-1, and VEGFR-2 than liver metastases (p < 0.05). Microvessel density was also higher in CRC than in liver metastases (p < 0.05).
CONCLUSIONS
Compared with previous studies, we found a higher expression of VEGF-A, VEGFR-1, VEGFR-2, and microvessel density in CRC than in liver metastases, which could be ascribed to a difference in vessel distribution and blood supply in each organ. Given its profuse blood supply and distinct cell populations, the liver might provide a rich milieu for tumor cell growth with less expression of angiogenesis-inducing agents.
Distribution of Dendritic Cells and Regulatory T-Cells in Cutaneous Lymphomas.
Changyoung Yoo, Young Seon Hong, Baik Kee Cho, Sang Ho Kim, Sang In Shim, Chang Suk Kang
Korean J Pathol. 2010;44(6):581-588.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.581
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AbstractAbstract PDF
BACKGROUND
Dendritic cells (DCs) play an important role in immune reactions. This study was designed to identify the distribution patterns of DCs and regulatory T-cells (Tregs) in cutaneous lymphomas.
METHODS
Immunohistochemistry was used to determine langerin expression on Langerhans cells, CD11b on inflammatory DCs, CD209 and CD11c on dermal DCs, CD303 on plasmacytic DCs, and Foxp3 on Tregs in 81 cases of cutaneous lymphomas.
RESULTS
Various DCs and Tregs were identified in most cutaneous lymphomas. Plasmacytic DCs, inflammatory DCs and Tregs were identified mainly in tumor areas, whereas dermal DCs were distributed both in the tumor and stromal areas. Among DCs, dermal DCs were most prominently identified in the cutaneous lymphomas not only in the tumor area but also in the stroma. The intense stromal infiltration of dermal DCs was consistent finding in T-cell lymphomas. Diffuse large B-cell lymphoma (DLBCL), not otherwise specified also showed intense stromal infiltration of dermal DCs, but stromal infiltration in DLBCL, leg type was relatively scant.
CONCLUSIONS
The results suggest that all types of DCs and Tregs are involved in cutaneous lymphoma tumor immunity. Among them dermal DCs may play a dominant role.
An Analysis of Focal Segmental Glomerulosclerosis according to Morphologic Subtypes.
Min Ju Kim, Dokyung Kim, Beom Jin Lim, Hyeon Joo Jeong
Korean J Pathol. 2010;44(6):589-596.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.589
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  • 2 Citations
AbstractAbstract PDF
BACKGROUND
The histological subtypes of focal segmental glomerulosclerosis (FSGS) have different significance and influence clinical presentations and outcomes in patients with FSGS. However, no such data has been reported in Korea.
METHODS
We reviewed renal biopsy specimens of 69 adult patients who were diagnosed with idiopathic FSGS between 2000 and 2008, subclassified them according to the Columbia classification and correlated the results with clinical findings.
RESULTS
The frequencies of the FSGS subtypes were not otherwise specified (NOS) (n = 28), tip (n = 21), perihilar (n = 11), collapsing (n = 5) and cellular types (n = 4) in descending order. Nephrotic syndrome was more common in patients with the tip and collapsing types than the perihilar type. The prevalence of chronic kidney disease stage 4/5 at the time of renal biopsy was significantly higher in patients with the cellular type than the NOS or the tip type. The remission rate after treatment tended to be higher in patients with the NOS type (22.0%) and the tip type (15.2%) than the perihilar (6.8%) and collapsing types (3.4%).
CONCLUSIONS
Classifying FSGS subtypes may be helpful to predict of clinical features and renal outcomes.

Citations

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  • Podocytopathy and Morphologic Changes in Focal Segmental Glomerulosclerosis
    Hyeon Joo Jeong
    Journal of the Korean Society of Pediatric Nephrology.2013; 17(1): 13.     CrossRef
  • Pathology and Classification of Focal Segmental Glomerulosclerosis
    Yong-Jin Kim
    Journal of the Korean Society of Pediatric Nephrology.2012; 16(1): 21.     CrossRef
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
  • 2,967 View
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  • 3 Citations
AbstractAbstract 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
Comparative Study of Metaplastic Breast Carcinoma and Triple-Negative Breast Carcinoma Using Histologic and Immunohistochemical Analyses.
Ji Yeon Kim, Taeeun Kim, Eun Yoon Cho
Korean J Pathol. 2010;44(6):605-612.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.605
  • 2,422 View
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  • 1 Citations
AbstractAbstract PDF
BACKGROUND
Metaplastic carcinoma of the breast is a rare subtype of breast cancer, which is characterized by estrogen receptor/progesterone receptor and HER2 negativity.
METHODS
Tissue specimens from 60 metaplastic breast cancer and 60 triple-negative breast cancer patients diagnosed at a single institution between 1995 and 2009 were analyzed. Immunohistochemistry for caveolin-1 (CAV-1), vascular endothelial growth factor (VEGF), epidermal growth factor receptor (EGFR), c-kit, p53, Ki-67, breast cancer type 1 susceptibility protein (BRCA1), cytokeratin (CK)14, and CK17 were performed on both retained tissue sets.
RESULTS
Of the 60 metaplastic carcinomas, 15 tumors (25%) exhibited spindle cell component, 27 (45%) exhibited chondroid differentiation, and 18 (30%) exhibited squamous areas. Compared to triple-negative carcinomas, metaplastic carcinomas significantly more frequently expressed CK14 (p < 0.0001), CK17 (p = 0.002), EGFR (p < 0.0001), CAV-1 (p < 0.0001), and VEGF (p = 0.029). However, expressions of BRCA1, p53, c-kit, and Ki-67 were not significantly different between both groups.
CONCLUSIONS
The expression profile of metaplastic carcinoma of the breast is more homogeneous than that of other triple-negative tumors and frequently over-expresses basal markers, CAV-1, and VEGF. A typical "basal-like" phenotype and frequent expressions of CAV-1 and VEGF may justify specific therapeutic approaches.

Citations

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  • Metaplastic Carcinoma of the Breast with Squamous Differentiation: A Case Report from the University Teaching Hospital of Kigali (CHUK), Rwanda
    Delphine Uwamariya, Carine Nyampinga, Anne Yvette Nsenguwera, Belson Rugwizangoga, Piero Tosi
    Case Reports in Pathology.2020; 2020: 1.     CrossRef
Practical Standardization in Renal Biopsy Reporting.
So Young Jin, Hyeon Joo Jeong, Sun Hee Sung, Beom Jin Lim, Jee Young Han, Soon Won Hong, Hyun Ee Yim, Yeong Jin Choi, Yong Mee Cho, Myoung Jae Kang, Kyung Chul Moon, Hee Jeong Cha, Seung Yeon Ha, Mi Seon Kang, Mee Young So, Kwang Sun Suh, Jong Eun Joo, Yong Jin Kim, Nam Hee Won, Moon Hyang Park
Korean J Pathol. 2010;44(6):613-622.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.613
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  • 2 Citations
AbstractAbstract PDF
BACKGROUND
To standardize renal biopsy reporting and diagnosis, The Renal Pathology Study Group of the Korean Society of Pathologists (RPSKSP) has developed a renal pathology reporting format for the native and allograft kidney.
METHODS
A consensus checklist of a provisional renal biopsy format was sent to all members of the RPSKSP. Feed back opinions regarding the practical application of the checklist to the diagnostic work were received.
RESULTS
Kidney biopsies require three essential examinations: by light microscopy, immunofluorescence (IF), and electron microscopy (EM). A final report of a renal biopsy should include information on specimen adequacy and a description of the morphologic change using a systematic semiquantitative method for each of the compartments, with optional separate IF and EM reports.
CONCLUSIONS
A standard renal biopsy report format is important in establishing clinicopathologic correlations, making reliable prognostic considerations, comparing the findings in sequential biopsies and evaluating the effects of therapy.

Citations

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  • Additional antihypertensive effect of magnesium supplementation with an angiotensin II receptor blocker in hypomagnesemic rats
    Kyubok Jin, Tae Hee Kim, Yeong Hoon Kim, Yang Wook Kim
    The Korean Journal of Internal Medicine.2013; 28(2): 197.     CrossRef
  • Clinicopathologic Features of IgA-Dominant Postinfectious Glomerulonephritis
    Tai Yeon Koo, Gheun-Ho Kim, Hyang Park
    Korean Journal of Pathology.2012; 46(2): 105.     CrossRef
Prognostic Significance of Methylation Profiles in Urothelial Carcinomas of the Bladder.
Hee Jung Park, Eui Jin Lee, Sang Yun Ha, Ghee Young Kwon, Young Lyun Oh, Kyoung Mee Kim, Dae Shick Kim, Seongil Seo, Hyun Moo Lee, Han Yong Choi
Korean J Pathol. 2010;44(6):623-630.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.623
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  • 1 Citations
AbstractAbstract PDF
BACKGROUND
Study on epigenetics of urothelial carcinomas has expanded and allowed better understanding of their correlation with clinicopathologic features. The aim of this study was to determine reliable predictive epigenetic markers for patients with urothelial carcinoma of urinary bladder.
METHODS
In 64 urothelial carcinomas of the urinary bladder, methylationspecific polymerase chain reaction with RAS association domain family 1A (RASSF1A), adenomatous polyposis coli (APC), death-associated protein-kinase (DAPK), runt-related transcription factor 3 (RUNX3), p14, p16 and MGMT was performed and correlated the results with p53 mutations, DNA ploidy, clinicopathologic parameters and recurrences.
RESULTS
Hypermethyation of RASSF1A, APC, DAPK, RUNX3, p14, p16 and MGMT promoters was observed in 35 (54.7%), 29 (45.3%), 18 (28.1%), 18 (28.1%), 9 (14.1%), 2 (3.1%), and 6 (9.4%) cases, respectively. Hypermethylation of RUNX3 and APC was significantly associated with high histologic grades and aneuploidy. Methylation of DAPK was significantly associated with muscle invasion. Methylation of DAPK and RUNX3 genes was significantly associated with recurrence. In survival analyses, methylation of RUNX3 gene and methylation-high (methylation at two or more loci) phenotype was significantly associated with poor recurrence-free survival.
CONCLUSIONS
Methylation of RUNX3 gene and methylation-high phenotype are significant indicator of recurrence.

Citations

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  • DAPK Promoter Methylation and Bladder Cancer Risk: A Systematic Review and Meta-Analysis
    Lihe Dai, Chong Ma, Zhensheng Zhang, Shuxiong Zeng, Anwei Liu, Shijie Tang, Qian Ren, Yinghao Sun, Chuanliang Xu, Shengtao Zhou
    PLOS ONE.2016; 11(12): e0167228.     CrossRef
Clinical Implication of Oct4 Expression in Squamous Cell Carcinoma of Lung.
Tae Jung Kim, Youn Soo Lee, Kyo Young Lee, Chang Suk Kang
Korean J Pathol. 2010;44(6):631-635.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.631
  • 2,776 View
  • 17 Download
  • 1 Citations
AbstractAbstract PDF
BACKGROUND
Octamer-4 (Oct4), a transcriptional factor involved in regulating embryonic stem cells, may play a role in tumorigenesis. Since little is known about the role of Oct4 as a prognostic factor for squamous cell carcinoma (SCC) of lung, we investigated its expression in SCC tissue and its clinicopathologic significance.
METHODS
Formalin-fixed, paraffin embedded tissues from 79 patients, including 44 complete resections and 35 biopsies, obtained from 1995 to 2008 were immunostained for Oct4, scored, and scores correlated with clinicopathologic parameters and survival.
RESULTS
Oct4 expression in tumors was significantly associated with peripheral location (vs central location) (p = 0.004) and pleural invasion (p = 0.018). In 44 complete resections, survival analysis revealed that Oct4 expression and increased stage (II and III vs I) were significantly associated with worse survival in univariate analysis (p = 0.005 and p = 0.009, respectively) and in multivariate analysis (p = 0.024 and p = 0.033, respectively).
CONCLUSIONS
The expression of Oct4 and high stage in SCC of lung are significant predictors of a poor prognosis and diminished overall survival.

Citations

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  • The Prognostic and Clinicopathologic Characteristics of OCT4 and Lung Cancer: A Meta-Analysis
    Hui Li, Liwen Wang, Shupeng Shi, Yadong Xu, Xuejiao Dai, Hongru Li, Jing Wang, Qiong Zhang, Yonggang Wang, Shuming Sun, Yanping Li
    Current Molecular Medicine.2019; 19(1): 54.     CrossRef
Comparison of Detecting Methods of BK Virus Infection in Patients with Renal Allograft Recipients.
Sung Hak Lee, Youn Jun Park, Chul Woo Yang, Yong Soo Kim, In Sung Moon, Chang Suk Kang, Yeong Jin Choi
Korean J Pathol. 2010;44(6):636-641.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.636
  • 2,917 View
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  • 2 Citations
AbstractAbstract PDF
BACKGROUND
BK virus nephropathy (BKVN) is an emerging problem as a consequence of the use of potent immunosuppressive agents. Because optimal detection methods for the diagnosis of BKVN are required clinically, we compared the results of renal allograft biopsy, urine cytology, and urine and blood viral loads.
METHODS
Four hundred sixty two case notes from 2004 to 2009 at Seoul St. Mary's Hospital were reviewed. During that period, 286 cases of urine cytology for decoy cells, 938 cases of urine BKV reverse transcription-polymerase chain reaction (RT-PCR), and 1,029 cases of blood BKV RT-PCR were performed. All diagnostic methods were performed in 85 cases.
RESULTS
A histological diagnosis of BKVN was made in 2.4% of cases (11/462). Urine cytology for decoy cells was positive in 26.2% (75/286). BKV RT-PCR revealed viruria in positivity of 22.1% (207/938) and viremia in 5.2% (54/1,029). In cases of BKVN, the sensitivities of urine and blood BKV RT-PCR were all 100% and the specificities were 69% and 94.5%, respectively. In cases with positive urine decoy cells, the sensitivities of urine and blood BKV RT-PCR were 50% and 27.7%, with specificities of 77.7% and 100%, respectively.
CONCLUSIONS
BKV screening by RT-PCR assays may be a clinically useful noninvasive test to identify renal recipients with concurrent BKVN.

Citations

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  • Prevalence of BK Virus among Iranian Renal Transplant Recipients: A Systematic Review and Meta-Analysis
    Mohsen Ebrahimi, Alireza Mohebbi, Mohammad Mostakhdem Hashemi, Mobina Ashrafi Shahmirzadi
    Journal of Clinical and Basic Research.2020; 4(4): 50.     CrossRef
  • Asymptomatic hematuria associated with urinary polyomavirus infection in immunocompetent patients
    Sung Hak Lee, Sung Hoo Hong, Ji Youl Lee, Tae Kon Hwang, Kyoung Suk Kim, Hyoungnam Lee, Yeong Jin Choi
    Journal of Medical Virology.2014; 86(2): 347.     CrossRef
IMP3 Expression of the Cholangiocarcinoma in Cytology Specimen and Its Diagnostic Value.
Jung Wook Yang, Jong Sil Lee, Dong Chul Kim, Dae Hyun Song, Gyung Hyuck Ko, Jeong Hee Lee
Korean J Pathol. 2010;44(6):642-650.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.642
  • 3,231 View
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  • 1 Citations
AbstractAbstract PDF
BACKGROUND
Pathologists occasionally have difficulty in distinguishing cholangiocarcinoma from benign reactive cells on the biliary cytology. We estimated the diagnostic value of insulinlike growth factor II mRNA binding protein 3 (IMP3) on biliary cytology specimens.
METHODS
We selected 40 patients who had undergone a biliary cytology examination and whose diagnoses were confirmed by biopsy. The IMP3 expression was evaluated by immunohistochemical staining in both the tissue and the cytology specimens. Their histologic diagnoses were cholangiocarcinoma (n = 34), high grade dysplasia (n = 2), low grade dysplasia (n = 1) and non-biliary tumor or no tumor (n = 3).
RESULTS
On the histology, all the cases of cholangiocarcinoma or high grade dysplasia were positive for IMP3 (36/36). The low grade dysplasia or the normal bile ducts in the other 4 cases were negative for IMP3 (0/4). Of the 36 cases diagnosed as cholangiocarcinoma or high grade dysplasia histologically, 29 cases were positive for IMP3 on the cytology (29/36; sensitivity, 80.6%). Of the 4 cases without cholangiocarcinoma or high grade dysplasia, 1 case was weakly positive for IMP3 on the cytology. The histologic diagnosis of this case was hepatocellular carcinoma. Except for this hepatocellular carcinoma case, the specificity of IMP3 on the cytology was 100%.
CONCLUSIONS
IMP3 is a useful diagnostic marker for cholangiocarcinoma on cytology.

Citations

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  • Insulin-like Growth Factor II mRNA-Binding Protein 3 Expression in Benign and Premalignant Lesions and Carcinomas of the Stomach
    Dae Hyun Song, Jung Wook Yang, Dong Chul Kim, Jong Sil Lee, Jeong Hee Lee, Sang Ho Jeong, Gyung Hyuck Ko
    The Korean Journal of Pathology.2011; 45(4): 379.     CrossRef
Comparison of Liquid-based (SurePath(TM)) and Conventional Preparations in Thyroid Fine Needle Aspiration.
Seoung Wan Chae, Sun Hee Kim, Hee Dae Park, Woon Sun Park, Young Hye Cho, Sung Hee Kang, Dong Hoon Kim, Jin Hee Sohn
Korean J Pathol. 2010;44(6):651-656.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.651
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AbstractAbstract PDF
BACKGROUND
The aim of this study was to evaluate differences in cytologic findings between conventional preparation (CP) and SurePath(TM) liquid-based preparation (LBP) in thyroid fine needle aspiration (FNA).
METHODS
We analyzed cytological features on a total of 182 thyroid FNAs (83 CP and 99 LBP) that were histologically confirmed as nodular hyperplasia (NH) or papillary carcinoma (PAC).
RESULTS
LBP was superior in cellular preservation and cellularity than CP. Interestingly, in LBP, cellularity of NH was similarly high compared to that of PAC. The three-dimensional pattern was more prominent in LBP than in CP. The presence of follicle structures was more frequently found in LBP than in CP in the PAC group. Dispersed single cells in the background were more prominent in LBP than in CP. In the PAC group, contrast of the nuclear membrane was more distinctive in CP than in LBP.
CONCLUSIONS
In thyroid FNA, LBP is better for cellular preservation, cellularity, background and nuclear detail than CP. However, some features in LBP such as high cellularity in NH, prominent dispersed single cells, and frequent follicle patterns were unfamiliar findings in CP. Hence, we should be aware of these cytomorphologic features in LBP to make a proper diagnosis.

Citations

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  • Comparison of EASYPREP®and SurePath®in thyroid fine-needle aspiration
    Yosep Chong, Ki Hyun Baek, Jee Young Kim, Tae-Jung Kim, Eun Jung Lee, Chang Suk Kang
    Diagnostic Cytopathology.2016; 44(4): 283.     CrossRef
The Analysis of Indeterminate Category in Thyroid Fine Needle Aspiration.
Soo Kee Min, Jinwon Seo, Sun Young Jun, Kwangseon Min, Hye Rim Park
Korean J Pathol. 2010;44(6):657-661.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.657
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AbstractAbstract PDF
BACKGROUND
Descriptive diagnosis reports have been causing some problems in communication. Our institution decided to use the category diagnosis system since June, 2008. So we evaluated the effectiveness of this change.
METHODS
The category system is composed of unsatisfactory, suboptimal for diagnosis but suggestive of, most probably benign, indeterminate, suspicious for malignancy and malignancy. We evaluated 1,525 cases from June, 2008 to September, 2009. We analyzed 159 cases of the indeterminate category.
RESULTS
Among the 159 cases, 21 were re-aspirated and 63 underwent an operation. The diagnoses of the re-aspirated cases were 2 positive for malignancy, 5 indeterminate, 13 most probably benign, and 1 unsatisfactory. The surgical diagnoses were 39 malignancies, 2 follicular adenomas and 1 Hurthle cell adenoma, and 21 benign lesions. Re-aspiration for the indeterminate cases could help decide whether the lesions need to be operated or not at above 70%. The indeterminate category could predict the surgical diagnosis of the thyroid nodule with statistical significance when the subcategories were indicated (p < 0.001).
CONCLUSIONS
The category diagnosis is replacing the descriptive diagnosis for the thyroid fine needle aspiration. The indeterminate category is useful and effective for making the decision to operate and especially when the indeterminate subcategories are used.

Citations

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  • Fine Needle Aspiration Cytology of Thyroid Follicular Neoplasm: Cytohistologic Correlation and Accuracy
    Changyoung Yoo, Hyun Joo Choi, Soyoung Im, Ji Han Jung, Kiouk Min, Chang Suk Kang, Young-Jin Suh
    Korean Journal of Pathology.2013; 47(1): 61.     CrossRef
Case Reports
Primary Malignant Melanoma of the Male Urethra.
Seung Wook Lee, Eun Kyung Kim, Won Mi Lee, Jung Man Jo, Tag Keun Yoo, Jeong Yoon Kang
Korean J Pathol. 2010;44(6):662-665.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.662
  • 2,431 View
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AbstractAbstract PDF
Primary malignant melanoma occurring within the male urethra is very rare. Here we report a case of malignant melanoma of the urethra in a 74-year-old man. He presented with asymptomatic gross hematuria for 5 months. His glans penis and adjacent penile skin had become discolored black 10 years ago. Cystourethroscopy showed a smooth oval-shaped elevated mass in the fossa navicularis. There were no abnormal findings in the proximal urethra and urinary bladder. Computed tomography did not detect any inguinal lymph node enlargement or distant metastases. The patient underwent partial penectomy and ilioinguinal lymph node dissection. Grossly, the distal urethra revealed an ovoid pigmented nodule, that measured 1 x 0.5 cm. Microscopic findings showed a nodular malignant melanoma arising in the urethral mucosa with pagetoid spread to the epidermis of the glans penis. There were no recurrences over a period of 12 months after surgery without chemotherapy. This is the second case of a primary malignant melanoma of the male urethra in Korea.
Urothelial (Transitional Cell) Carcinoma Arising in Mature Cystic Teratoma: A Case Report.
Ok Jun Lee, Ho chang Lee
Korean J Pathol. 2010;44(6):666-669.
DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.666
  • 2,690 View
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  • 4 Citations
AbstractAbstract PDF
Mature cystic teratoma (MCT) is one of the most common benign ovarian tumors, but 1-2% of MCTs are transformed to a malignant neoplasm. Urothelial carcinoma (UC) or transitional cell carcinoma is the most common cancer in the urinary tract. However, UC is a very rare component of transformed malignancy of MCT. Here we report a case of UC arising in an MCT in a 52-year-old woman. Grossly, the ovary was partly cystic and partly solid. Microscopically, the cyst revealed the classic features of MCT and the solid area was papillary UC. By immunohistochemistry using cytokeratins and thrombomodulin, the UC showed a similar expression to that of UC arising in the urinary tract, rather than resembling a primary transitional cell carcinoma of the ovary. When UC is found in a component of MCT, the origin of the carcinoma should be evaluated and urinary tract examinations are required to rule out metastasis.

Citations

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  • A Rare Urothelial Malignant Transformation in a Mature Cystic Teratoma of the Ovary
    Moito Iijima, Iori Kisu, Tetsuro Shiraishi, Rie Irie, Nobumaru Hirao
    Cureus.2021;[Epub]     CrossRef
  • Transitional Cell Carcinoma arising in Ovarian Cystic Teratoma: A Rare Case Report
    Abhay V. Deshmukh, Vitaladevuni B. Shivkumar, Neha V. Fulzele, Nitin M. Gangane
    Indian Journal of Gynecologic Oncology.2020;[Epub]     CrossRef
  • A Rare Malignant Transformation of an Ovarian Cystic Teratoma: A Case Report
    Manju Rachel Mathew, Anita Ramdas, Susy S. Kurian, Linu Kuruvilla, Neelima Singh
    Case Reports in Pathology.2018; 2018: 1.     CrossRef
  • Urothelial carcinoma arising from an ovarian mature cystic teratoma
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JPTM : Journal of Pathology and Translational Medicine