Journal of Pathology and Translational Medicine

Eunah Shin

5 Articles

Cervical Cytologic Smears in Pap Solution vs ThinPrep: Smear Characteristics and Diagnostic Agreement.: Eunah Shin, Jin Kyu Park, No Won Park, Sang Bong Kim, Kyung Jong You, Jae Joon Lee, Woo Ick Yang; Korean J Pathol. 2011;45(6):621-625.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.6.621

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BACKGROUND
The Pap smear has brought about a dramatic improvement in the prevention of cervical cancer in women worldwide. In an effort to decrease the occasional false negatives in the Pap smear and further increase the screened population, ThinPrep Pap Test (TP), a fluid-based cytology collection method, has been developed. With preservation of claimed advantages of TP, we have developed a Pap test solution for manual preparatory process and compared our manually processed fluid-based Pap smear with TP to identify cytologic similarities and differences between the two methods.
METHODS
Cervical swipes of 204 patients were prospectively collected in the 'Pap solution' and also in PreservCyt solution for TP. Diagnoses and smear characteristics were compared.
RESULTS
The diagnoses of the paired smears agreed in 190 of the 204 cases (93.1%). The smear characteristics regarding overall cellularity and background cellularities were similar in the two methods and the stainability of the cells was virtually the same.
CONCLUSIONS
The 'Pap solution' has similar performance characteristics as TP in many aspects. With its advantages of cost-effectiveness and easier preparatory process, the 'Pap solution' can match previously implemented thin layer preparation.

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Cytological Evaluation and REBA HPV-ID HPV Testing of Newly Developed Liquid-Based Cytology, EASYPREP: Comparison with SurePath
Youn Soo Lee, Gyungyub Gong, Jin Hee Sohn, Ki Sung Ryu, Jung Hun Lee, Shin Kwang Khang, Kyung-Ja Cho, Yong-Man Kim, Chang Suk Kang
Korean Journal of Pathology.2013; 47(3): 265. CrossRef

Cystic Nephroma: A Case Report and Comparing Literature Review with Mixed Epithelial and Stromal Tumor of Kidney.: Hyun Jung Kim, Choong Hee Noh, Giyoung Kwon, Eunah Shin, Jung Yeon Kim, Kyeongmee Park; Korean J Pathol. 2011;45:S25-S28.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.S1.S25

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Abstract PDF: Cystic nephroma (CN) is a benign cystic neoplasm composed of mixed epithelial and stromal elements. Less than 200 cases have been reported. We had a patient, a 41-year-old woman, who had a huge typical CN. The patient was admitted for a right renal mass that was found incidentally. On laparaoscopic right nephrectomy, there was an encapsulated 7 cm multilocular cystic mass at the upper pole. Microscopically, the cystic wall was lined by a single layer of low cuboidal or hobnail epithelium without a solid area. The thin septa were composed of bland, ovarian type spindle cells. The main differential diagnoses were mixed epithelial and stromal tumor (MEST), low grade multilocular renal cell carcinoma, and tubulocystic carcinoma. The results of immunohistochemical staining were cytokeratin 7/19(+/+) and CD10(-) in lining epithelium, estrogen receptor/progesterone receptor(+/+) in stromal cells. After surgery, she was free of recurrence for 10 months. We report this rare case and compare it with other cystic renal tumors, especially MEST.

Ki-1 Positive Extranodal NK/T Cell Lymphoma, Nasal Type, Mistaken as Dermatomyositis: A Case Report and Literature Review.: Hyun Jung Kim, Eunah Shin, Jung Yeon Kim, Kyeongmee Park, Young Jin Yoo, Seung Sook Lee; Korean J Pathol. 2007;41(4):278-283.

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Abstract PDF: We report a case of a 38-year-old male with extranodal NK/T-cell lymphoma, nasal type, showing unusual clinical and pathological features. The patient was admitted for soft tissue swelling and tenderness in both legs. The patient had been treated intermittently 8 months prior for repeated muco-cutaneous ulcers. A muscle biopsy showed medium-sized atypical lymphoid cells with bizarre nuclei and plump cytoplasm, infiltrating to the skeletal muscle fibers with angiocentricity. The immunoresults were Ki-1+, CD56+, cytoplasmic CD3+, with EBV-in situ hybridization +. The patient rapidly deteriorated and died of sepsis and respiratory failure shortly after initiation of low-dose chemotherapy. A careful review of previous biopsies revealed scarce atypical lymphoid cells around vessels with similar immunoprofiles without the presence of Ki-1 positive cells. This case emphasizes that an extranodal NK/T-cell lymphoma may have a dermatomyositis-like diffuse presentation. Ki-1 co-expression can be an unexpected event in a process of the disease course; however, this should be validated with future studies.

An Unusual Type of Acute Renal Failure due to Extensive Crystal Deposition in the Renal Tubular Epithelium and Interstitium: A Case Report.: Ja Seung Koo, Eunah Shin, Shin Woo Kang, Hyeon Joo Jeong; Korean J Pathol. 2004;38(5):337-340.

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Abstract PDF: Acute tubular necrosis is a major cause of acute renal failure. Acute renal failure that is caused by crystal deposition can result from drug toxicity, lymphoplasmacytic neoplasms, ingestion of industrial organic solvents, or intratubular obstruction due to degenerated red blood cells and red blood cell casts. We herein present an uncommon case of acute renal failure in a 57-year-old woman showing an unusually massive accumulation of variable-sized, round, ellipsoid or rhomboid, pale-pink, refractile bodies in the proximal and distal tubular epithelial cells, interstitial macrophages and Bowman's spaces. These bodies were electron dense with a maximum diameter of 3 micrometer. The information we gathered from the patient history, the laboratory data and the various histochemical and immunohistochemical analyses failed to reveal the exact nature of these crystal-like structures.

Pleomorphic Variant of Pineocytoma: A Case Report.: Eunah Shin, Haeryoung Kim, Tae Seung Kim, Se Hoon Kim; Korean J Pathol. 2004;38(4):265-267.

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Abstract PDF: We herein present a rare case of pineocytoma in a 23-year-old female exhibiting distinct histomorphological features. The tumor contained highly pleomorphic, often multinucleated giant cells in the background of otherwise benign pineocytomatous architecture, which at first led to an erroneous diagnosis of a high grade malignancy. However, the worrisome histological findings turned out to be constituents of a distinct subtype of pineocytoma previously described as pleomorphic variant of pineocytoma. Although it is rare, pathologists should be aware of this entity since the tumor takes on a benign clinical course like any other classic pineocytomas.

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