- WHO Classification of Malignant Lymphomas in Korea: Report of the Third Nationwide Study.
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Jin Man Kim, Young Hyeh Ko, Seung Sook Lee, Jooryung Huh, Chang Suk Kang, Chul Woo Kim, Yun Kyung Kang, Jai Hyang Go, Min Kyung Kim, Wan Seop Kim, Yoon Jung Kim, Hyun Jung Kim, Hee Kyung Kim, Jong Hee Nam, Hyung Bae Moon, Chan Kum Park, Tae In Park, Young Ha Oh, Dong Wha Lee, Jong Sil Lee, Juhie Lee, Hyekyung Lee, Sung Chul Lim, Kyu Yun Jang, Hee Kyung Chang, Yoon Kyung Jeon, Hye Ra Jung, Min Sun Cho, Hee Jeong Cha, Suk Jin Choi, Jae Ho Han, Sook Hee Hong, Insun Kim
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Korean J Pathol. 2011;45(3):254-260.
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DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.3.254
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- BACKGROUND
The aim of study was to determine the relative frequency of malignant lymphoma according to World Health Organization (WHO) classification in Korea.
METHODS
A total of 3,998 cases diagnosed at 31 institutes between 2005 and 2006 were enrolled. Information including age, gender, pathologic diagnosis, site of involvement and immunophenotypes were obtained.
RESULTS
The relative frequency of non-Hodgkin lymphoma (NHL) and Hodgkin lymphoma (HL) was 95.4% and 4.6%, respectively. B-cell lymphomas accounted for 77.6% of all NHL, while T/natural killer (T/NK)-cell lymphomas accounted for 22.4%. The most frequent subtypes of NHL were diffuse large B-cell lymphoma (42.7%), extranodal marginal zone B-cell lymphoma (MZBCL) of mucosa-associated lymphoid tissue (19.0%), NK/T-cell lymphoma (6.3%) and peripheral T-cell lymphoma (PTCL), unspecified (6.3%), in decreasing order.
The relative frequency of HL was nodular sclerosis (47.4%), mixed cellularity (30.6%), and nodular lymphocyte predominant (12.1%) subtypes. Compared with a previous study in 1998, increase in gastric MZBCL and nodular sclerosis HL, and slight decrease of follicular lymphoma, PTCL, and NK/T-cell lymphoma were observed.
CONCLUSIONS
Korea had lower rates of HL and follicular lymphoma, and higher rates of extranodal NHL, extranodal MZBCL, and NK/T-cell lymphoma of nasal type compared with Western countries. Changes in the relative frequency of lymphoma subtypes are likely ascribed to refined diagnostic criteria and a change in national health care policy.
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Seung Sook Lee, Jin Man Kim, Young Hyeh Ko, Jooryung Huh, Chang Suk Kang, Chul Woo Kim, Yun Kyung Kang, Jai Hyang Go, Min Kyung Kim, Wan Seop Kim, Yoon Jung Kim, Hyun Jung Kim, Hee Kyung Kim, Jong Hee Nam, Hyung Bae Moon, Chan Kum Park, Tae In Park, Young Ha Oh, Dong Wha Lee, Jong Sil Lee, Juhie Lee, Hyekyung Lee, Sung Chul Lim, Kyu Yun Jang, Hee Kyung Chang, Yoon Kyung Jeon, Hye Ra Jung, Min Sun Cho, Hee Jeong Cha, Suk Jin Choi, Jae Ho Han, Sook Hee Hong, Insun Kim
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Korean J Pathol. 2010;44(2):117-124.
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DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.2.117
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Abstract
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- BACKGROUND
The Hematopathology Study Group of the Korean Society of Pathologists conducted a nation-wide retrospective analysis of Korean pediatric lymphoma, to provide pathologic data on pediatric/adolescent lymphoma subtypes and features.
METHODS
All lymphoma cases of all age groups were collected during a recent 2 year-period (2005-2006) from 32 institutes in Korea. Among 3,686 lymphoma patients, 142 who were age 18 or less were classified according to the World Health Organization (WHO) classification.
RESULTS
Among 142 pediatric/adolescent lymphoma patients, Hodgkin lymphoma accounted for 21 (14.8%) and non-Hodgkin lymphoma (NHL) for 121 (85.2%). Hodgkin lymphoma appears to be more common in the pediatric/adolescent age group than in the all-ages group (14.8% vs 4.4%). T- and natural killer cell-NHL was more common in the pediatric/adolescent age group than in the all ages group (46.3% vs 22%). The majority of Korean pediatric/adolescent NHL cases was composed of Burkitt lymphoma, T- or B-lymphoblastic lymphoma, anaplastic large-cell lymphoma, and diffuse large B-cell lymphoma. For lymphoma patients under the age of 6 years, most had B-lymphoblastic or Burkitt lymphoma, which commonly presented at extranodal sites.
CONCLUSIONS
The distribution of lymphoma subtypes in the pediatric/adolescent age group is quite different from the distribution of adults, but it was quite similar to distribution in Western countries.
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Citations
Citations to this article as recorded by - A Case of Nasal Type Extranodal NK/T Cell Lymphoma Incidentally Detected in a Child
Ha Jin Oh, Sang Hyun Park, Hae In Jang, Dong Hoon Lee, Yoo Duk Choi, Hee Jo Baek, Hoon Kook
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Kyoung Bun Lee, Woon Sun Park, Jin Hee Sohn, Min Kyung Kim, Dong Hoon Kim, Hee Sung Kim, Seoung Wan Chae, Sung Hee Kang, Young Hye Cho, Hee Dae Pak, Sun Hee Kim
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Korean J Pathol. 2009;43(2):157-163.
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DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.2.157
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3,286
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Abstract
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- BACKGROUND
The aim of this study was to confirm the usefulness of cervicovaginal smears in the screening of squamous cell neoplasms of the uterine cervix by comparative analysis between the cytologic diagnosis of cervicovaginal smears and the histologic diagnosis of tissue specimens.
METHODS
We selected 743 patients who had both cervicovaginal smears and histologic evaluations of the uterine cervix by colposcopic biopsy, conization, or hysterectomy at the Kangbuk Samsung Medical Center between January 2005 and December 2007.
RESULTS
The accuracy rate of cervicovaginal smears and histologic diagnoses was 93.0% (691/743) and showed a high correspondence (kappa value, 0.770, p-value, 0.000). The false-negative and false-positive rates were 0.5% (6/484) and 17.8% (46/259), respectively. The sampling and interpretation errors were identified in four and two cases of six false-negative cases and 29 and 17 cases of 46 false-positive cases, respectively. In screening high grade squamous cell neoplasms, there were no false-negative cases and only one false-positive case which resulted from sampling error. The false-negative rate of cervicovaginal smears and the false-positive rate in high-grade squamous cell neoplsams were very low.
CONCLUSIONS
The cervicovaginal smear is a powerful tool for screening of cervical squamous cell neoplasms.
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Korean J Pathol. 2009;43(2):195-198.
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DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.2.195
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Abstract
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- Kuttner tumor is a relatively uncommon benign tumor-like lesion of the salivary gland that clinically mimics neoplasm because of its presentation as a hard mass. It is also known as chronic sclerosing sialadenitis or cirrhosis of the submandibular gland. We present here the aspiration cytological findings of a case of Kuttner tumor in a 58-year old woman. The aspiration specimen of this lesion showed numerous lymphoid cells that were similar to lymph node aspirates, with several scattered benign ductal cells and eosinophilic fibrous tissue. The lymphoid cells were composed of mature bland lymphocytes and follicular center cells. Any acinar cells were not identified. The excised mass was ill-demarcated, hard and fibrotic, and it histologically exhibited an intense lymphocytic infiltration with irregular lymphoid follicle formation, dense periductal and stromal sclerosis, and loss of acini. No evidence of neoplasm or sialolithiasis was discovered, and this led to the diagnosis of Kuttner tumor.
- The Usefulness of SurePath(TM) Liquid-Based Smear in Sono-Guided Thyroid Fine Needle Aspiration; a Comparison of a Conventional Smear and SurePath(TM) Liquid-Based Cytology.
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Dong Hoon Kim, Min Kyung Kim, Seoung Wan Chae, Kyoung Bun Lee, Eun Mee Han, Sung Hee Kang, Jin Hee Sohn
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Korean J Cytopathol. 2007;18(2):143-152.
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Abstract
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- Sono-guided fine needle aspiration (FNA) of the thyroid is widely used, but the aspirated samples are typically not well preserved and low cellularity makes diagnosis difficult in many cases. The object of the current study is to evaluate the adequacy and diagnostic accuracy of the use of SurePath(TM) liquid-based cytology (SP-LBC) in the sonoguided fine needle aspiration of the thyroid nodule and to compare its use with that of the use of a conventional smear (CS). A total of 172 sono-guided FNAs of thyroid nodules from April to June, 2006 were prepared by the use of the split method with either SP-LBC or CS; the samples were stained with the use of hematoxylin-eosin (H&E) and Papanicolaou (Pap) stains. A cyto-histological correlation was performed in 69 (30 SP and 39 CS) cases that had been histologically confirmed. The rate of producing unsatisfactory slides by the use of the SP-LBC method (9.3%) was less than that of the use of the CS method (20.9%). The diagnostic accuracy of the SP method (93.3%) was better than that of the CS method (85.3%). The sensitivity and specificity of the SP method (94.4% and 92.3%) was better than that of the CS method (83.3% and 70%), respectively (p<0.05). The CS of sono-guided aspirated specimens had some unavoidable limitations related to inadequate sampling such as a bloody background, low cellularity and an indication that some clinicians smeared many useless slides (averaging four to ten slides), and that most slides showed only blood that included few follicular cells. The SP method resulted in more thinly smeared slides and showed cleaner background and greater cellularity than the use of the CS method. Each follicular cell shows superior nuclear detail, and more distinct cytoplasmic features than with the use of the CS method. SP-LBC appears to be an easy, highly accurate, and reliable cytological method for employ for a diagnostic approach of thyroid disease and thyroid nodules. The SP-LBC method is a suitable alternative to the CS method to overcome diagnostic difficulties.
- The Loss of Expression of Caveolin-1 in Gastrointestinal Stromal Tumors.
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Eo Jin Kim, Jin Hee Sohn, Min Kyung Kim, Seoung Wan Chae, Hye Seung Lee, Eun Yoon Cho, Woo Ho Kim
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Korean J Pathol. 2005;39(5):338-344.
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Abstract
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- BACKGROUND
The down-regulation of caveolin-1, a putative tumor suppressor gene, has been demonstrated in several types of sarcomas. However, it's not known whether or not the gastrointestinal stromal tumors (GISTs) express caveolin-1. We carried out this study to investigate the caveolin-1 expression in GISTs and to determine the correlation between the clinicopathologic profiles of GISTs and the expression of caveolin-1.
METHODS
One hundred eight cases of formalin-fixed and paraffin-embedded tissues of GISTs were immunohistochemically evaluated for the expression of caveolin-1 by using the tissue-array method. Survival data of 98 cases of primary GISTs was analysed according to the expression status of caveolin-1.
RESULTS
Ninety three cases (86.1%) of 108 GISTs did not express caveolin-1 protein. There was no correlation between the caveolin-1 expression status and any of the clinicopathologic variables, including mitosis (p=0.948) and tumor grade (p=0.334). The expression of caveolin-1 was not correlated with other immunohistochemical marker proteins including, c-kit (p=0.373), CD34 (p=0.437) and SMA (p=0.831). On the univariate analysis, the caveolin-1 expression status (p=0.635) was not a significant predictor of the disease-free survival for GIST patients.
CONCLUSIONS
The results of this study suggest that caveolin-1 might act as a tumor suppressor gene in the GIST oncogenesis, but it has no function as a prognostic marker for disease free survival.
- Survivin and Fas Ligand Expressions Are Correlated with Angiolymphatic Tumor Spread in Medullary Thyroid Carcinoma.
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Min Kyung Kim, Jin Hee Sohn, Mee Joo, Hanseung Kim, Sung Hye Park, Seong Hoe Park, Eo Jin Kim, Seoung Wan Chae
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Korean J Pathol. 2005;39(5):320-325.
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Abstract
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- BACKGROUND
Medullary thyroid carcinoma (MTC) that originates from C cells comprises about 10% of all the malignant thyroid tumors. Activating mutations of the RET proto-oncogene have been found to be involved in the anti-apoptotic pathway of MTC that harbors the RET mutation.
We investigated the correlation between the clinicopathologic parameters and the expressions of survivin, a novel anti-apoptotic molecule, and the other apoptosis-related proteins, and the known prognostic markers.
METHODS
Immunohistochemical staining was performed using antibodies for survivin, Fas, Fas ligand (FasL), bcl-2, calcitonin, CEA and cyclin A in 19 case of MTC; 10 sporadic MTCs, eight multiple endocrine neoplasia (MEN) type 2A MTCs and one familial MTC (FMTC).
RESULTS
Survivin protein expression was found in five cases (26%) and this was correlated with the presence of angiolymphatic tumor emboli (p=0.019). FasL was expressed in 14 cases (74%) and it had correlation with the presence of lymph node metastases (p=0.029). The cyclin A-labeling indices were correlated with local invasiveness (p=0.001).
CONCLUSIONS
Survivin and FasL might be involved in the lymphatic tumor spread of MTC.
- The Usefulness of Concomitant High-Risk Human Papillomavirus Test and Colposcopy in Combination with the Papanicolaou Test in ASCUS Patients.
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Min Kyung Kim, Jin Hee Sohn, Chul Hwan Kim, Jong Sang Choi
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Korean J Cytopathol. 2005;16(1):18-24.
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- The objective of this study was to ascertain whether or not the high-risk human papillomavirus(HPV) test, when coupled with Papanicolaou(Pap) smears, would prove useful in the screening and management of patients in whom abnormal Pap smear results had been obtained. Concomitant high-risk HPV detection using the hybrid capture II test and colposcopy with a Pap smear were performed with 176 patients, all of whom had been screened for both cervical carcinoma and precancerous lesions. We concomitantly performed colposcopies on these patients. Upon the follow-ups, the histologic diagnoses of these patients were confirmed via either biopsy or hysterectomy. The rate of high-risk HPV detection was correlated with cytologic diagnoses and colposcopic findings. The group composed of the high-risk HPV-positive ASCUS patients exhibited a 55.7% rate of cervical intraepithelial neoplasia(CIN), a significantly higher rate than the 7.5% result obtained in the high-risk HPV- negative ASCUS group. HPV test showed high sensitivity(87%) and low specificity (62.6%) in detection of CIN and colposcopy also showed high sensitivity (88%) and low specificity(22%). Any combination of these tests improve sensitivity, but not specificity. High-risk HPV tests, when coupled with Pap smears, constituted a useful triage approach with regard to colposcopy-directed biopsies in patients in whom a cytologic diagnosis of ASCUS had been rendered.
- Urachal Adenocarcinoma with a Concomitant Urachal Remnant: A Case Report.
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Tae Hoon Kim, Mee Joo, Min Kyung Kim, Hanseong Kim, Je G Chi, Jae Y Ro
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Korean J Pathol. 2004;38(4):280-283.
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- Urachal adenocarcinoma is a rare tumor, and it has similarities with nonurachal adenocarcinoma; therefore, it is sometimes difficult to make a diagnosis. We present a typical case of urachal adenocarcinoma that had all the diagnostic criteria including the presence of an urachal remnant. A 65-year-old woman presented with complaints of a painless gross hematuria. Pelvic CT and cystoscopy showed an intraluminal protruding mass centered in the bladder wall.
When diagnosed as adenocarcinoma with a signet ring cell component being noted by frozen biopsy, partial cystectomy with resection of the median umbilical ligament and peritoneum was carried out for a suspected urachal adenocarcinoma. The tumor morphology showed as typical mucinous adenocarcinoma. Characteristic tubular structures showing the typical histology of an urachal remnant was found in the perivesical fat. On immunohistochemical staining, the urachal adenocarcinoma showed a pattern similar to colonic adenocarcinoma, while the urachal remnant showed strong positivity for CK7 and Chromogranin A.
- Genomic Imbalances in Ependymoma by Degenerate Oligonucleotide Primed PCR-Comparative Genomic Hybridization.
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Sung Hye Park, Gi Jin Kim, Min Kyung Kim, Hanseong Kim, Yoen Lim Suh, Sun Hwa Park
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Korean J Pathol. 2004;38(3):133-137.
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Abstract
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- BACKGROUND
The most consistent chromosomal abnormality in ependymomas, is loss of 22q (17-75%) and gain of 1q (0-50%).
However, significance of this abnormality is uncertain.
METHODS
Genomic imbalances in 27 Korean ependymomas, including 21 low grade ependymomas, 4 anaplastic and 2 myxopapillary ependymomas, were analyzed by degenerate oligonucleotide primed-PCR-comparative genomic hybridization.
RESULTS
Common gains were found in 17 (63%), 20q (59%), 9q34 (41%), 15q24-qter (33%), 11q13 (30%), 12q23 (26%), 7q23-qter (26%), 16q23-qter (30%), 19 (26%), and 1q32-qter (22%). DNA amplification was identified in 12 tumors (44%).
Chromosomal loss was a less common occurrence in our study, but was found in 13q (26%), 6q (19%), and 3 (11%).
CONCLUSION
The recurrent gains or losses of the chromosomal regions which were identified in this study provide candidate regions that may be involved in the development and progression of ependymomas.
- Carcinoid Tumor Arising from A Normal Kidney: A Case Report.
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Seo Young Sohn, Han seong Kim, Mee Joo, Min Kyung Kim, Sung Hye Park
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Korean J Pathol. 2004;38(3):196-199.
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- Primary carcinoid tumor of the kidney is a very rare disease. Until now, only 41 cases have been reported worldwide, and nine of these arose in a horseshoe kidney. In Korea, 3 cases have been reported to date, and all of these arose in a horseshoe kidney. We present a case of primary carcinoid tumor occurring in a normal kidney of a 45 year old man. A tumor was incidentally found close to the hilum of the left kidney. Histologically, the tumor exhibited trabecular and ribbon-like pattern of cuboidal or columnar cells. Mitotic activity was rarely seen. The tumor cells were positive for synaptophysin and chromogranin A. Numerous dense-core neurosecretary granules were observed by the electron microscopic examination. To our knowledge, the present case is the first report of primary renal carcinoid tumor arising in a normal kidney in Korea.
- Expression of Cancer-Related Genes in Epstein Barr Virus-Infected Burkitt's Lymphoma Cell Line Treated with Mitomycin C.
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Woo Bom Yeom, Seol Hee Park, Min Kyung Kim, Chul Hwan Kim, In Sun Kim, Dale Lee
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Korean J Pathol. 2001;35(4):271-277.
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Abstract
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- BACKGROUND
Infection of Epstein Barr virus (EBV) into B cells drives the infected cells into the cell cycle and frequently results in lymphoblastoid cells. Mitomycin C inhibits DNA synthesis of epithelial cells as well as lymphoid cells by cross-linking with DNA. Many of the cancer cells have various pathways for escaping the responsiveness to the negative growth-regulatory effects of mitomycin C and gaining the immortalized property. The auther performed a cell culture of an EBV infected Jijoye lymphoma cell line, and compared the cell cycle and cancer related genes between the mitomycin treated- and non-treated group.
METHODS
DNA and RNA were extracted from the Jijoye cells; and EBV nuclear antigen (EBNA)-1, 2 and latent membrane protein (LMP) of EBV and p53 and p21 mRNA analyse was performed.
RESULTS
Mitomycin C blocked G2/M phase, however, mitomycin did not affect the expression of EBNA-1, 2 and LMP.
Mitomycin C also increased the p21 mRNA expression without p53 mRNA increase.
CONCLUSIONS
Mitomycin C induces B cell apoptosis by blocking the G2/M phase and by increasing p21 mRNA independent to p53, which reveals the presence of an alternative pathway of p21 induction by mitomycin C in EBV positive lymphoma cells
- Metastatic Germinoma of Spleen from Perichiasmal Area: A Case Report .
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Bong Kyung Shin, Min Kyung Kim, Han Kyeom Kim, Yang Seok Chae, Nam Hee Won, Insun Kim
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Korean J Cytopathol. 2001;12(1):61-65.
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- A 20-year-old young man who had undergone treatment for a suprasellar/perichiasmal tumor 2 years before, was presented with a huge palpable splenic mass. A fine needle aspiration cytology from the splenic mass showed dissociated large pleomorphic tumor cells having irregular nuclear outline, coarse chromatin, and one or two macronucleoli, and scattered small lymphocytes in fine granular background.
Above cytologic findings were regarded as the characteristics of germinoma. Differential diagnosis from the large cell lymphoma of spleen was emphasized.
- SPARC Expression in Thyroid Follicular Adenomas and Carcinomas.
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Chung Yeul Kim, Seong Jin Cho, Min Kyung Kim, Yang Seok Chae
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Korean J Pathol. 2000;34(12):1016-1021.
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- SPARC, secreted protein acidic and rich in cysteine, is a extracellular matrix-associated protein implicated in the modulation of cell adhesion, migration, cell cycle regulation, and angiogenesis. SPARC is expressed in fibrocytes and endothelial cells involved in tissue repair and invasive malignant tumors in the gastrointestinal tract, breast, lung, kidney, adrenal cortex, ovary, and brain. This study was aimed to characterize the different expression of SPARC in the thyroid follicular adenomas and follicular carcinomas. Immunohistochemical staining was performed in paraffin-embedded tissues of 25 follicular adenomas and 15 follicular carcinomas of the thyroid gland.
Immunohistochemically, SPARC was not expressed in the 19 follicular adenoma and 2 follicular carcinoma but highly expressed in the 6 follicular adenoma and 13 follicular carcinoma. These findings suggest that SPARC is a potential diagnostic marker of follicular carcinoma and is helpful to distinguish follicular carcinoma from follicular adenoma without vascular or capsular invasion.
- Spontaneous Pneumothorax as a Complication of Pulmonary Metastasis of Osteosarcoma A case report.
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Min Kyung Kim, Bong Kyung Shin, Wha Eun Oh, Ae Ree Kim, Nam Hee Won, Jong Sang Choi
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Korean J Pathol. 1999;33(4):281-284.
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- Spontaneous pneumothorax is a known, but relatively rare complication of pulmonary metastases of sarcoma. A 19-year-old man was presented with chest pain and dyspnea for three days and was diagnosed as left pneumothorax. After bleb resection, microscopic examination revealed metastatic osteosarcoma forming subpleural fistula and dystrophic calcification. Four years ago, he had had limb salvage operation and chemotherapy for osteosarcoma of left femur.
After two and a half years he had a bleb resection for right pneumothorax without any evidence of metastasis. Six months later, he was found to have a 4x3cm sized lung mass in the right lower lobe. After lobectomy, he was diagnosed as pulmonary metastasis of osteosarcoma. Pneumothorax is the common complication of metastatic osteosarcoma to the lung and it may be presented before the pulmonary metastasis is clinically evident. It is important to recognize a pneumothorax of the patients with osteosarcoma as a possible sign of metastases.
- Mineralizing Pulmonary Elastosis Associated with a Giant Cell Carcinoma.
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Min Kyung Kim, Kwang Il Kim, Min Joo Kim, Young Woo Suh, Il Hun Seo, Hyun Ju Lee, Han Gyeom Kim
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Korean J Pathol. 1998;32(9):691-693.
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Abstract
- Mineralizing pulmonary elastosis is a result of chronic alveolar hemorrhage forming iron encrustation of a pulmonary elastic tissue. It has been reported as a complication of some diseases such as bronchiectasis, idiopathic pulmonary hemosiderosis, and cardiac failure. It is extremely rare to occur with a giant cell carcinoma as we experienced. A 59 year-old man visited our hospital for cough and blood tinged sputum. A chest CT scan revealed 10 9 6 cm sized round mass in the left upper lobe. He had lobectomy of left upper lobe, but died of respiratory failure at the postoperative eighteenth day. The lung showed a necrotic tumor and a yellow tan consolidation around the mass. Microscopically, the tumor was composed of nests or syncytia of large bizarre cells and tumor giant cells, and was diagnosed as a giant cell carcinoma. Interestingly, in the surrounding lung parenchyma there were a lot of foreign body type giant cells phagocytizing iron encrustated elastic fibers, which were easily identified by elastic van Gieson and prussian blue stains. Those degenerated elastic fibers appeared in pulmonary interstitial tissue as well as blood vessel walls.
The authors concluded tumoral hemorrhage and necrosis resulted in mineralizing pulmonary elastosis.
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