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Yong Jin Kim 13 Articles
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.
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AbstractAbstract PDF
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.
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.
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.
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 to this article as recorded by  
  • 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
Imprint Cytology of a Desmoplastic Small Round Cell Tumor: A Case Report.
Joon Hyuk Choi, Yong Jin Kim, Jae Hwang Kim
Korean J Cytopathol. 2007;18(1):81-86.
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AbstractAbstract PDF
Desmoplastic small round cell tumor (DSRCT) is a rare malignant mesenchymal neoplasm. It mainly involves the abdominal or pelvic peritoneum of male adolescents. We report here the imprint cytologic features of a case of DSRCT occurring in the intraabdominal cavity of a 21-year-old man. A microscopic examination showed moderate cellularity. The tumor cells were singly arranged and arranged in clusters. The cells had round to oval nuclei with finely granular chromatin, inconspicuous nucleoli and scanty cytoplasm. Some tumor cells showed nuclear molding, and some cells had an epitheloid appearance with a large amount of lightly eosinophilic cytoplasm. A rosette-like pattern was present. Spindle-shaped, fibroblastic stromal cells were occasionally found. The tumor cells were immunoreactive for the markers cytokeratin (AE1/AE3), epithelial membrane antigen (EMA), desmin, vimentin and neuron specific enolase (NSE).
Expressions and Diagnostic Usefulness of MIB-1 and p53 in Uterine Smooth Muscle Tumors.
Mi Jin Kim, Yong Jin Kim, Seung Ho LeeSeungHo
Korean J Pathol. 2001;35(6):524-530.
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Controversy still remains concerning the criteria for the categorization of uterine smooth muscle tumors by conventional histologic examination. Various ancillary techniques have been used to improve diagnostic accuracy.
Immunohistochemical study of MIB-1 and p53 was performed on 10 usual leiomyomas (UL), 13 cellular leiomyomas (CL), 5 bizarre leiomyomas (BL), 2 cases of intravenous leiomyomatosis (IL), 5 smooth muscle tumors of uncertain malignant potential (STUMP) and 8 leiomyosarcomas (LMS), to investigate the diagnostic value of MIB-1 and p53 in uterine smooth muscle tumors.
The MIB-1 labelling index was low in ULs and their variants (mean 5.67+/-5.53), but it was increased in STUMPs (17.67+/-6.51) and markedly increased in LMSs (35.71+/-11.35). In ULs and their variants, no immunostaining for p53 was noted except in one case of BL, while 2 (40%) of 5 STUMPs and 3 (38%) of 8 LMSs showed positive reactions for p53. There were significant differences among leiomyoma, STUMP and LMS in the MIB-1 labelling index and p53 expression.
These results suggest that both abnormal expressions of p53 and a high MIB-1 labelling index are frequently associated with leiomyosarcoma. Our data also indicate that the classification system of Kempson and Hendrickson is well correlated with the MIB-1 labelling index.
Choroid Plexus Carcinoma: A Report of Two Cases.
Young Ran Shim, Mi Jin Gu, Dong Sug Kim, Oh Lyong Kim, Woo Mok Byun, Yong Jin Kim
Korean J Pathol. 2001;35(2):176-179.
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AbstractAbstract PDF
Choroid plexus carcinoma (CPC), a frankly malignant epithelial neoplasm derived from choroid plexus epithelium, is a rare tumor with a predilection for infants and children. It may be difficult to histologically differentiate it from choroid plexus papilloma, anaplastic ependymoma, medulloblastoma, germ cell tumors, and metastatic carcinoma. We examined two cases of CPC. One is a 12-month-old boy, and the other is a 13-month-old boy. Both patients present lateral ventricular masses with extensive hydrocephalus. Histologically, both tumors show papillary growth in most area, and focal solid growth. The tumor cells show marked nuclear pleomorphism and frequent mitoses on squash and hematoxylin-eosin slides. Immunohistochemically, both tumors are positive for cytokeratin, vimentin, and S-100 protein; but they are negative for glial fibrillary acidic protein, -fetoprotein, and placental alkaline phosphatase. Both tumors show diffuse and strong positivity for p53. The MIB-1 labelling index is 23.6% and 15.82%, respectively. We report two cases of typical CPC, and we briefly discuss differential diagnosis with review of literatures.
Development of a CD-ROM Titled 'Atlas of Pathology' for Medical Students.
Dong Sug Kim, Yong Jin Kim, Sun Woo Park
Korean J Pathol. 2000;34(5):374-380.
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AbstractAbstract PDF
The authors have made a CD-ROM titled 'Atlas of Pathology (AP)' for medical students to understand histopathologic findings with ease. We used a 35 mm film scanner to convert an existing file into digital images. A pathologist and two professional programmers collaborated to create the program 'AtlasMaster 1.0' based on (IBM) PC for organization of previously captured digital images. Minimum system requirement for the 'AP' was Pentium II 166 MHz, 32 MB RAM, Windows 95 or 98, 800 600 resolution, 16-bit color, 20 speed CD-ROM drive. The 'AP' was composed of a execution file (Pathology_Atlas.exe), a DB file (pathology.mdb), and reference files (*.bmp, *.jpg, *.txt). The DB file contained fields for chapter, section, disease entity, and information for location of reference files. About 1,000 color images for various kinds of gross and microscopic pictures were stored in the CD-ROM and those were classified according to the chapters, sections, and disease entities. The 'AP' was easy to manipulate, and had advantages of self-learning for students. It could be applied to other fields in which many images were dealt with, such as histology, radiology, endoscopy, dermatology, and plastic surgery. The 'AP' was handy and very useful for medical students to study pathology and it would be a powerful self-learning tool.
Urinary Cytologic Findings of Plasmacytoid Transitional Cell Carcinoma of the Urinary Bladder: A Case Report .
Mi Ok Park, Yong Jin Kim, Jae Bok Park
Korean J Cytopathol. 1999;10(1):67-71.
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AbstractAbstract PDF
We report a case of 53-year-old man with plasmacytoid transitional cell carcinoma of the urinary bladder, which may be confused with plasmacytoma. The patient initially presented with gross hematuria and dysuria for two months. Cystoscopy and radiologic studies revealed multiple intraluminal protruding masses on the urinary bladder invading perivesical fat tissue. After urinary cytologic examination and cystoscopic biopsy, radical cystectomy and pelvic lymph node dissections were done. Urine cytology showed single cells and poorly cohesive cells with round eccentric nuclei, bi-or multi-nucleation, indistinct nucleoli, coarse chromatin, and abundant basophilic cytoplasm within relatively clear background. The cytologic findings of tumor cells were similar to the plasma cells seen in plasmacytoma. The tumor of the bladder was composed of discohesive, individual cancer cells with diffuse pattern that simulated lymphoma or plasmacytoma. Immunohistochemical and electron microscopic studies clearly established the epithelial nature of the neoplasm. Recognition of this plasmacytoid type of transitional cell carcinoma of the urinary bladder can avoid the misdiagnosis.
The Effects of Angiotensin Converting Enzyme Inhibitor on Progressive Glomerular Sclerosis.
Mi Ok Park, Yong Jin Kim, Hoon Kyu Oh, Chul Ho Lee, Byung Hwa Hyun, Jung Sik Kwak
Korean J Pathol. 1998;32(12):1058-1065.
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Almost all advanced glomerular diseases have glomerular sclerotic changes to varying degrees whatever causes their primary glomerular disease are. Pathogenesis of these sclerosis has been thought of as the hyperfiltration in the primary glomerulosclerosis due to development of glomerular hypertension in each insulted glomeruli. This background gave the theoretical bases for antihypertensive therapies for supporting chronic renal insufficient patients. Angiotensin converting enzyme (ACE) inhibitor, one of the antihypertensive drugs, has received attention recently for its effectiveness. The aims of this study determined the effects and mechanism of the ACE inhibitor, enalapril, on the glomerulosclerosis in FGS/NgaKist mice, which was an animal model of chronic renal failure by generating spontaneously heavy proteinuria and progressive glomerulosclerosis. Five-week-old FGS/NgaKist mice (n=38) were assigned to four groups. Group 1a (n=6) and group 2a (n=8) fed with a vehicle, were sacrificed at the end of 10 weeks and 15 weeks, respectively. Group 1b (n=12) and 2b (n=12) received enalapril (100 mg/L) in drinking water for 5 weeks and 10 weeks from 6th week of age respectively, and were sacrified on the same day as the control groups. Doses of enanapril were maintained to 2 mg/kg/day by measuring the amount of water consumption. In enalapril groups 1b and 2b, systemic blood pressure (74.7 14.0 mm Hg, 74.3 15.9 mmHg) were significantly lower than control group 2a (116.1 4.6 mmHg, P<0.001). Similarly, degree of proteinuria lowered in enalapril group 2b versus control group 2a (0% and 50.0%, P<0.001). Glomerulosclerosis percentage significantly decreased (P<0.001) (group 1b and 2b; 1.9 6.5, 5.6 7.0 vs control 1a and 2a; 32.8 15.5, 31.4 13.8). Glomerulosclerosis score also decreased (P<0.001) (group 1b and 2b; 0.02 0.08 vs control 1a and 2a; 0.48 0.12, 0.30 0.14). The immunofluorescent staining of enalapril groups showed negative for mesangial deposition of IgG, IgA, IgM, and C3 which were positive in control groups. Immunohistochemical staining with TGF-beta1 was negative in enalapril groups and sclerotic glomeruli both enalapril groups and control groups. These results support that the ACE inhibitor has a renoprotective effect on glomerulosclerosis not only by decreasing the blood pressure but also by suppressing the immune deposits on glomeruli.
Fibroepithelial Polyp of Vagina with Atypical Stromal Cells: A case report.
Mi Ok Park, Yong Jin Kim, Jae Bok Park
Korean J Pathol. 1998;32(8):619-921.
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A case of fibroepithelial polyp with stromal atypia in a 25-year-old female is described. The tumor arose from the vaginal wall and measured 3.5 cm in maximal diameter. It was composed of hypercellular connective tissue stroma and focal myxoid area containing numerous atypical mono- and multinucleated stromal cells. These cells may mislead to make a diagnosis of sarcoma, particulary of botryoid rhabdomyosarcoma.
Expression of Transforming Growth Factor-beta and Morphologic Changes of Glomerulosclerosis in FGS/NgaKist Mouse.
Hoon Kyu Oh, Yong Jin Kim, Mi Ok Park, Chul Ho Lee, Byung Hwa Hyun, In Soo Shu
Korean J Pathol. 1998;32(1):35-42.
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AbstractAbstract PDF
Focal segmental glomerulosclerosis (FSGS) is presented as not only one of the primary glomerular diseases but also as a secondary phenomenon for chronic irreversible renal diseases. The main pathological feature of FSGS is the accumulation of extracellular matrix in the glomeruli, for which overexpression of transforming growth factor-beta (TGF-beta) may be responsible for the accumulation of pathological matrix. A new animal model (FGS/NgaKist mouse) of renal failure by spontaneously generating glomerulosclerosis was developed. To elucidate the role of TGF-beta for FSGS, authors observed glomeruli of FGS/NgaKist mouse periodically. FGS/NgaKist mouse strain showed progression of proteinuria and focal glomerular sclerosis with the aging. The glomeruli showed anti IgG, IgA, IgM and complement complex deposits and extracellular matrix accumulation in the mesangium. TGF-beta mRNA and beta2antibody expressions were increased with the advance of glomerular sclerosis. The results suggest the following; FSGS of FGS/NgaKist strain is immune mediated disease and this stimuli on mesangial or endothelial cells may activate TGF-beta gene in their nuclei. This activation, in turn, can cause sclerosis by increasing TGF-beta mRNA transcription followed by secretion of TGF-beta and its action as cytokine for making collagen fibrils.
Sebaceous Carcinoma Occurred in a Patient with Recurrent Bowen's Disease.
Mi Ok Park, Hoon Kyu Oh, Yong Jin Kim, Jae Bok Park
Korean J Pathol. 1997;31(5):476-481.
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AbstractAbstract PDF
Sebaceous carcinoma is a rare malignant epithelial tumor and has diverse clinical presentations as well as a variety of histologic patterns. Although the overwhelming majority of sebaceous carcinomas occur on the eyelid, they may also arise where sebaceous gland and hair are found together, but they favor the head and neck. We report a case of sebaceous carcinoma of the umbilicus in a 68-year-old man who had suffered from a long standing recurrent Bowen's disease of 23 years. The recurrent Bowen's disease in this patient appeared to be closely related to multiple arsenic medication 49 years and 39 years earlier. The excised specimen of umbilicus revealed a well demarcated, 1.5x1 cm sized tumor with grey-yellow hue. The tumor was identified as sebaceous carcinoma, which was characterized by lobular and comedo-carcinoma patterns. The tumor cells showed cytoplasmic foamy vacuolation, nuclear pleomorphism, and high mitotic activity. On an Oil-Red-O stain, the tumor cells were found to contain fine lipid droplets. The intracytoplasmic lipid vacuoles were demonstrated by an electron microscopic examination.
Morphologic Comparisons of Focal Segmental Glomerulo-sclerosis between Human and 5/6 Nephrectomy Rat Model.
Yong Jin Kim, Yong Sun Kim, Chae Hong Suh
Korean J Pathol. 1997;31(2):100-111.
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AbstractAbstract PDF
This study was conducted to set up a common mechanism for varying phases of focal segmental glomerulosclerosis(FSGS) by comparing the morphological differences between human FSGS and changes in 5/6 renal ablation animal model, which has been accepted as experimental prototype for hyperfiltration theory as pathogenesis of FSGS. Both the human and the experimental rats showed very similar changes such as segmental glomerulosclerosis, vacuole formations or inclusion of small granules of podocytes, appearance of foamy cells in the capillary lumina, eosinophilic deposits along the mesangial area, and focal atrophy of tubules with associated interstitial fibrosis. The halo, frequently seen in human FSGS, is due to detachment of visceral epithelium from basement membrane, however, did not appear in the experimental rat specimen. On the other hand, the foamy cells and hyalinization were more frequently noted in the rat series and even involved the arterioles. The mesangial proliferation never appeared in the rat series occasionally found in human FSGS. In conclusion, the pathogenesis of FSGS cannot depend solely on the hyperfiltration theory of hemodynamic derangement, but has complex impairment of visceral epithelium and cells forming the constituents of basement membrane.
Cytologic Features of Plasmacytoma of the Ovary and Breast Occurred in a Patient with Solitary Plasmacytoma of Vertebra .
Mi OK Park, Hoon Kyu Oh, Yong Jin Kim, Jae Bok Park
Korean J Cytopathol. 1997;8(2):164-169.
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AbstractAbstract PDF
A case of plasmacytoma of the ovary and breast, which developed in a patient with a solitary plasmacytoma in the lumbar vertebra for nine months, was diagnosed cytologically and histologically. Enlargement of the right ovary and multiple palpable masses in the right and left breast were already present at six months after the diagnosis of vertebral solitary plasmacytoma. At eight months, plasma cell leukemia developed, and nine months the enlarged both ovaries, replaced by yellowish-gray solid tumors showed infiltration of immature plasma cells. The cytologic features of the ovarian tumors were same with those of the breast tumor. The tumor cells were of predominantly immature plasma cells with one or more nuclei. Some mature plasma cell had an eccentric nucleus with single nucleolus and peripherally clumped chromatin. Binucleated or multinucleated giant cells were often present. Histologically, sheets of poorly differentiated plasmacytoid tumor cells were separated by strands of hyaline fibrous tissue. On immunohistochemical stains, the tumor cells showed strong reactivity for lambda-light chain but no reaction for kappa-light chain, cytokeratin, or leukocyte common antigen.
Mitral Atresia Associated with Corrected Transposition of Great Arteries.
Dong Heon Yoon, Jeong Wook Seo, Je Geun Chi, Yong Soo Yoon, Jeong Yeon Choi, Yong Jin Kim, In Won Kim
Korean J Pathol. 1988;22(3):295-300.
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AbstractAbstract PDF
A case of congenital absence of right atriovntricular (A-V) connection of heart is reported. Patient was 81 day old male infant with chief complaints of dyspnea and irritability. Clinical evaluation revealed increased pulmonary vascularity on chest x-ray, absence of right A-V connection, regurgitation of left A-V valve, right-sided ventricular hypoplasia and L-TGA. Clinical assessment of the case was tricupsid atresia with LTGA and mitral regurgitation. Pulmonary artery banlding and artial septectomy was performed. Parenteral alimentation through the femoral veins resulted in obstruction of IVC and subsequent multiorgan failure. The autopsy findings of the heart were corrected transposition of great arteries with associated anomallies of right-sided mitral atresia, Ebstein's malformation of left-sided tricuspid valve, ventricular septal defect, muscular hypertrophy of right-sided left ventricle with luminal obliteration. Long segment of IVC was completely occluded due to occlusive thrombi with fungal infection. Bilateral kidneys were infarcted and azygos vein was markedly engorged. Microscopic examination revealed candidal colonization in the inferior vena cava and septic embolzation in brain.

JPTM : Journal of Pathology and Translational Medicine