Journal of Pathology and Translational Medicine

Yong Mee Cho

5 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.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.613

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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

Immunohistochemical Markers for Metastasis in Clear Cell Renal Cell Carcinoma.: Kyungeun Kim, Cheryn Song, Jae Y Ro, Hanjong Ahn, Yong Mee Cho; Korean J Pathol. 2008;42(2):81-86.

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Abstract PDF: BACKGROUND
Renal cell carcinoma (RCC) is notorious for its high metastatic potential, and 30% of RCC patients present with metastatic disease at the initial presentation and 50% of them will develop metastasis or recurrence after radical surgery.
METHODS
In an attempt to identify the best predictive marker(s) for metastasis in patients with clear cell RCCs (CRCCs), we examined the expression patterns of 7 metastasis/prognosis-related markers by constructing a tissue microarray including primary CRCC specimens from 30 metastatic and 60 nonmetastatic CRCCs. The markers we studied were Ki-67, MUC1, CD44s, PTEN, gelsolin, CA9 and p53.
RESULTS
The expressions of Ki-67, PTEN, CD44s, gelsolin and p53 were increased, whereas those of MUC1 and CA9 were decreased in the metastatic CRCCs compared with the non-metastatic CRCCs. The receiver operating characteristic curve-area under the curve (AUC) value of Ki-67 was 0.671, which was the highest among the 7 markers. The optimal cut-off value, sensitivity and specificity of the Ki-67 expression were 1.67%, 86.7% and 41.7%, respectively.
CONCLUSIONS
These results demonstrate that the Ki-67 expression was increased in metastatic CRCCs, and it had the highest predictive value among the 7 markers. This suggests that Ki-67 could be an excellent predictive marker for metastasis in CRCC patients.

Second Opinion Diagnoses of Cytologic Specimens on Consultation : Asan Medical Center Experience.: Sohyung Park, Jae Y Ro, Kyung Ja Cho, Gyungyub Gong, Yong Mee Cho, Shin Kwang Khang; Korean J Cytopathol. 2008;19(2):99-106.; DOI: https://doi.org/10.3338/kjc.2008.19.2.99

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Abstract PDF: BACKGROUND
Second opinion diagnosis of outside pathology slides is a common practice for efficient and proper patient management. We analyzed cytology slides from outside hospitals submitted for a second opinion diagnosis to determine whether the second opinion diagnosis had any influence on patient care.
METHODS
We reviewed 1,153 outside cytology slides referred to Asan Medical Center for second opinions from January, 2007, to December, 2007. All cases were categorized into three groups; no diagnostic discrepancy, minor diagnostic discrepancies (no impact on the management), and major diagnostic discrepancies (significant impact on the management and subsequent follow-up).
RESULTS
The thyroid was the most common organ system (933 cases, 80.9%). Forty cases (3.6%) belonged to the major diagnostic discrepancy group and 149 cases (12.8%) to the minor discrepancy group. For validation of second opinion diagnoses in major discrepancy cases, subsequent biopsy or surgical resection specimens and clinical information were reviewed, which were available in 29 cases. The second opinion diagnoses resulted in alteration of clinical management in 21 of 29 cases.
CONCLUSION
For all referred patients, second opinion diagnosis is important and mandatory for appropriate patient care.

Immunohistochemical Profile of Acute Cellular Rejection in Renal Allograft.: Jongha Park, Seung Woon Byun, Eunsil Yu, Su Kil Park, Duck Jong Han, Yong Mee Cho; Korean J Pathol. 2007;41(1):15-20.

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Abstract PDF: BACKGROUND
We wanted to find an adjunctive marker(s) in renal allograft biopsies for predicting acute cellular rejection (ACR), and so the expression patterns of immune-related molecules were compared between ACR, borderline ACR and non-ACR cases.
METHODS
The expression patterns of Fas ligand (FasL), HLA-DR, granzyme B, caspase-3, CD56, interferon stimulated growth factor-3 (ISGF-3), and CD53 were assessed via immunohistochemical study in 75 allograft biopsies from patients with ACR (n=19), borderline ACR (n=22), and non-ACR (n=34).
RESULTS
Compared to those of the non-ACR group, the ACR group revealed an elevated number of FasL positive interstitial inflammatory cells, HLA-DR positive tubular inflammatory cells, cytoplasmic caspase-3 positive tubular epithelial cells, granzyme B positive interstitial mononuclear inflammatory cells and CD53 positive interstitial inflammatory cells. The expression patterns of the borderline ACR group were similar to those of non-ACR group, except for the intensity of FasL in the tubular epithelial cells.
CONCLUSIONS
Immunohistochemical investigations of the adjunctive markers FasL, HLA-DR, granzyme B, caspase-3 and CD56 can be useful for making the diagnosis of ACR.

Mixed Ductal-Endocrine Carcinoma of the Pancreas: A Case Report.: Ok Jun Lee, Yong Mee Cho, Hyang Im Lee, Duck Jong Han, Jae Y Ro; Korean J Pathol. 2004;38(5):353-356.

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Abstract PDF: Mixed ductal-endocrine carcinoma of the pancreas is composed of ductal and endocrine carcinoma components and each component makes up a significant proportion in the primary tumor as well as in the tumor of metastatic sites. Mixed ductal-endocrine pancreatic carcinoma is exceptionally rare and, to our knowledge, only five cases have been reported in the literature. Recently we experienced a case of mixed ductal-endocrine pancreatic carcinoma with regional lymph node and hepatic metastases in a 63-year-old woman. Here, we report a case of mixed ductal-endocrine pancreatic carcinoma with a review of the literature.

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