Journal of Pathology and Translational Medicine

Jae Hong Park

4 Articles

Malignant Peripheral Nerve Sheath Tumors of the Bilateral Adrenal Glands: Are They Metachronous Primary Tumors: A Case Report.: Jae Hong Park, Seung Yeon Ha, Hyun Yee Cho; Korean J Pathol. 2009;43(5):471-474.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.5.471

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Abstract PDF: Malignant peripheral nerve sheath tumors (MPNSTs) have rarely been reported to occur in the adrenal gland and all of the reported cases were associated with neurofibromatosis, pheochromocytoma or ganglioneuroma. We present here a case of MPNST in the bilateral adrenal glands without any history of neurofibromatosis or combined tumor. Histologic examination showed the tumor cells had a spindle to ovoid shape, they were arranged in sweeping fascicles and there were frequent mitotic figures. The immunohistochemical and ultrastructural features of the tumor are also presented. To the best of our knowledge, this is the first report in the English medical literature about MPNSTs in the bilateral adrenal glands without any history of neurofibromatosis or combined tumor.

The Usefulness of Cervicovaginal Cytology as a Primary Screening Test.: Jae Hong Park, Seung Yeon Ha, Hyun Yee Cho, Dong Hae Chung, Na Rae Kim, Sanghui Park; Korean J Cytopathol. 2008;19(2):107-110.; DOI: https://doi.org/10.3338/kjc.2008.19.2.107

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We evaluated the usefulness of cervicovaginal cytology as a primary screening test by analyzing the cytologic and histological diagnoses of 2,254 women. Cervicovaginal cytology had 93.0% sensitivity, 86.1% specificity, 88.2% positive predictive value, and 91.7% of negative predictive value. Cervicovaginal cytology as a primary screening test showed much higher specificity but slightly lower sensitivity than HPV DNA testing. However, the sensitivity of cervicovaginal cytology will be improved continuously due to the development of liquid-based cytology. We regard cervicovaginal cytology as a good primary screening test for cervical intraepithelial neoplasia or carcinoma.

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Working Conditions that Impact the Workload of Cytotechnologists: A Study Calculating the Actual Man Power Required
Soo Il Jee, Yong Ho Ahn, Hwa-Jeong Ha, Jeong Eun Kang, Jun Ho Won
The Korean Journal of Clinical Laboratory Science.2021; 53(2): 174. CrossRef

Pulmonary Adenocarcinoma with a Micropapillary Pattern Detected by Bronchial Washing: A Brief Case Report.: Jae Hong Park, Seung Yeon Ha, Hyun Yee Cho, Dong Hae Chung, Na Rae Kim, Sanghui Park; Korean J Cytopathol. 2008;19(2):206-208.; DOI: https://doi.org/10.3338/kjc.2008.19.2.206

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Abstract PDF: Adenocarcinomas with micropapillary patterns are generally aggressive and show lymphotropism. Only a few reports on pulmonary adenocarcinoma with micropapillary patterns have described cytologic findings. A 70-year-old Korean woman was admitted to the hospital because of intermittent dry cough and chest pain. Cytology after bronchial washing showed neoplastic cells in small, angulated, cohesive clusters consisting of 3-20 cells without a fibrovascular core. The resected right middle lobe showed a tumor occupying almost the entire lobe. Histologically, about 90% of neoplastic cells proliferated with micropapillary morphology in the background of bronchioloalveolar carcinoma. Cytologic smears of a bronchial washing showing tumor cells in small, cohesive clusters without a fibrovascular core may indicate an adenocarcinoma with micropapillary pattern.

Meningioma Arising from Meningioangiomatosis Without Neurofibromatosis: A Case Report.: Jae Hong Park, Seung Yeon Ha, Na Rae Kim; Korean J Pathol. 2007;41(4):263-265.

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Abstract PDF: We report a rare case of meningioma associated with meningioangiomatosis in a 9-year-old male patient who showed none of the stigmata of neurofibromatosis 2. Brain magnetic resonance images showed marked cortical calcification with slight contrast-enhancement in the parieto-occipital lobe. The resected mass showed that the lesion was mainly composed of meningioangiomatosis and a small focus was transformed into meningioma. To date, only 17 cases of such combined lesions have been reported in English medical literature. We report a rare case of meningioma that arose from meningioangiomatosis.

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