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Soon Auck Hong 2 Articles
Current status of cytopathology practice in Korea: impact of the coronavirus pandemic on cytopathology practice
Soon Auck Hong, Haeyoen Jung, Sung Sun Kim, Min-Sun Jin, Jung-Soo Pyo, Ji Yun Jeong, Younghee Choi, Gyungyub Gong, Yosep Chong
J Pathol Transl Med. 2022;56(6):361-369.   Published online October 27, 2022
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AbstractAbstract PDFSupplementary Material
The Continuous Quality Improvement program for cytopathology in 2020 was completed during the coronavirus pandemic. In this study, we report the result of the quality improvement program.
Data related to cytopathology practice from each institute were collected and processed at the web-based portal. The proficiency test was conducted using glass slides and whole-slide images (WSIs). Evaluation of the adequacy of gynecology (GYN) slides from each institution and submission of case glass slides and WSIs for the next quality improvement program were performed.
A total of 214 institutions participated in the annual cytopathology survey in 2020. The number of entire cytopathology specimens was 8,220,650, a reduction of 19.0% from the 10,111,755 specimens evaluated in 2019. Notably, the number of respiratory cytopathology specimens, including sputum and bronchial washing/ brushing significantly decreased by 86.9% from 2019, which could be attributed to the global pandemic of coronavirus disease. The ratio of cases with atypical squamous cells to squamous intraepithelial lesions was 4.10. All participating institutions passed the proficiency test and the evaluation of adequacy of GYN slides.
Through the Continuous Quality Improvement program, the effect of coronavirus disease 2019 pandemic, manifesting with a reduction in the number of cytologic examinations, especially in respiratory-related specimen has been identified. The Continuous Quality Improvement Program of the Korean Society for Cytopathology can serve as the gold standard to evaluate the current status of cytopathology practice in Korea.
Progressive Familial Intrahepatic Cholestasis in Korea: A Clinicopathological Study of Five Patients
Hyo Jeong Kang, Soon Auck Hong, Seak Hee Oh, Kyung Mo Kim, Han-Wook Yoo, Gu-Hwan Kim, Eunsil Yu
J Pathol Transl Med. 2019;53(4):253-260.   Published online May 16, 2019
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  • 4 Citations
AbstractAbstract PDF
Progressive familial intrahepatic cholestasis (PFIC) is a heterogeneous group of autosomal recessive liver diseases that present as neonatal cholestasis. Little is known of this disease in Korea.
The records of five patients histologically diagnosed with PFIC, one with PFIC1 and four with PFIC2, by liver biopsy or transplant were reviewed, and ATP8B1 and ABCB11 mutation status was analyzed by direct DNA sequencing. Clinicopathological characteristics were correlated with genetic mutations.
The first symptom in all patients was jaundice. Histologically, lobular cholestasis with bile plugs was the main finding in all patients, whereas diffuse or periportal cholestasis was identified only in patients with PFIC2. Giant cells and ballooning of hepatocytes were observed in three and three patients with PFIC2, respectively, but not in the patient with PFIC1. Immunostaining showed total loss of bile salt export pump in two patients with PFIC2 and focal loss in two. Lobular and portal based fibrosis were more advanced in PFIC2 than in PFIC1. ATP8B1 and ABCB11 mutations were identified in one PFIC1 and two PFIC2 patients, respectively. One PFIC1 and three PFIC2 patients underwent liver transplantation (LT). At age 7 months, one PFIC2 patient was diagnosed with concurrent hepatocellular carcinoma and infantile hemangioma in an explanted liver. The patient with PFIC1 developed steatohepatitis after LT. One patient showed recurrence of PFIC2 after 10 years and underwent LT.
PFIC is not rare in patients with neonatal cholestasis of unknown origin. Proper clinicopathologic correlation and genetic testing can enable early detection and management.


Citations to this article as recorded by  
  • Progressive Familial Intrahepatic Cholestasis: A Study in Children From a Liver Transplant Center in India
    Sagar Mehta, Karunesh Kumar, Ravi Bhardwaj, Smita Malhotra, Neerav Goyal, Anupam Sibal
    Journal of Clinical and Experimental Hepatology.2022; 12(2): 454.     CrossRef
  • Liver transplantation in pediatric patients with progressive familial intrahepatic cholestasis: Single center experience of seven cases
    Jung-Man Namgoong, Shin Hwang, Hyunhee Kwon, Suhyeon Ha, Kyung Mo Kim, Seak Hee Oh, Seung-Mo Hong
    Annals of Hepato-Biliary-Pancreatic Surgery.2022; 26(1): 69.     CrossRef
  • Liver Transplantation for Pediatric Hepatocellular Carcinoma: A Systematic Review
    Christos D. Kakos, Ioannis A. Ziogas, Charikleia D. Demiri, Stepan M. Esagian, Konstantinos P. Economopoulos, Dimitrios Moris, Georgios Tsoulfas, Sophoclis P. Alexopoulos
    Cancers.2022; 14(5): 1294.     CrossRef
  • Morphology of transplanted liver in recurrent progressive familial intrahepatic cholestasis type 2
    I. M. Iljinsky, N. P. Mozheiko, O. M. Tsirulnikova
    Russian Journal of Transplantology and Artificial Organs.2021; 22(4): 192.     CrossRef

JPTM : Journal of Pathology and Translational Medicine