Journal of Pathology and Translational Medicine

Jin Kyu Park

4 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

Isolated Intracranial Rosai-Dorfman Disease: A Case Report.: Jin Kyu Park, Mee Yon Cho, Kwang Hwa Park, Jhin Soo Pyen; Korean J Pathol. 2004;38(6):430-433.

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Abstract PDF: Rosai-Dorfman disease (RDD) is an idiopathic histioproliferative disorder of the lymph nodes and extranodal sites. Central nervous system involvement is extremely rare. Intracranial RDD, especially the isolated form, resembles meninigioma both clinically and radiologically. Here, we report a case of isolated, intracranial, dura-based RDD. The patient presented with headache and dizziness with no evidence of lymphadenopathy. Histologically, the lesion consisted of large histiocytes with emperipolesis and lymphoplasma cell infiltrates with a fibrotic background. We discuss the differential diagnosis of this lesion. To our knowledge, this is the first reported Korean case of intracranial RDD.

Inflammatory Myofibroblastic Tumor (InflammatoryFibrosarcoma) of the Lung: A Case Report.: Minseob Eom, Tae Heon Kim, Jin Kyu Park, Kwang Hwa Park, Soon Hee Jung, Kwang Gil Lee; Korean J Pathol. 2003;37(4):291-295.

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Abstract PDF: Inflammatory myofibroblastic tumor, also known as inflammatory fibrosarcoma, has been frequently diagnosed as inflammatory pseudotumor. Although there are six cases reported as inflammatory pseudotumors or inflammatory myofibroblastic tumors in the lung, no cases of pulmonary inflammatory myofibroblastic tumor with features of inflammatory fibrosarcoma have been reported in Korea. We experienced a case of inflammatory myofibroblastic tumor (inflammatory fibrosarcoma)characterized by high cellularity, severe nuclear pleomorphism, necrosis, or increased mitoticcounts. A 31-year-old male patient with a solitary pulmonary nodule on the routine chest x-rayreceived a right lower lobectomy. The tumor was an ovoid solid mass with multifocal necrosis, showing diffuse irregular proliferation of spindle cells with high cellularity and focal nuclear pleomorphism, admixed with dense lymphoplasmacytic cells. Although spindle cells are focally immunoreactivefor smooth muscle actin, the ultrastructural examination failed to demonstrate smooth muscledifferentiation. In cases of inflammatory myofibroblastic tumor (inflammatory fibrosarcoma), a completeexcision and close follow-up without radical surgery, radiation, or chemotherapy are needed.

The Fine Needle Aspiration Cytologic Features of Apocrine Carcinoma of the Breast: A Case Report.: Minseob Eom, Jin Kyu Park, Soon Hee Jung, Kwang Gil Lee; Korean J Cytopathol. 2003;14(2):76-81.

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Abstract PDF: Apocrine carcinoma of the breast is a very rare subtype. Although it has no clinical differences from usual ductal carcinoma of the breast, it should be categorized as a subtype of breast carcinoma because the cells of apocrine carcinoma reveal characteristic abundant eosinophillic cytoplasms with intraductal apical snouting as well as round or oval nuclei and central macronucleoli. On fine needle aspiration cytology, the cells of apocrine carcinoma have a lot of similarity to benign or reactive apocrine cells of the breast. Therefore, it is difficult to make a differential diagnosis of apocrine carcinoma from mammary neoplasms with similar cytologic findings unless the subtle cytologic differences are recognized. We report the cytologic and histologic findings of a case of apocrine carcinoma in the breast of a 40-year-old female patient. After the fine needle aspiration cytology, she received the lumpectomy and lymph node dissection. The cellularity was moderate to high. The cytoplasmic borders of tumor cells of three-dimensional clusters were relatively distinctive, and the cytoplasm was abundant, eosinophilic, and granular. Although the nuclear/cytoplasmic ratio was low, the nuclei of the cells were variable in size and shape with prominent macronucleoli. Histologically, it was a typical invasive apocrine carcinoma, showing numerous cytoplasmic lysosomes and mitochondriae on electron microscopy.

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