Journal of Pathology and Translational Medicine

Original Article

Comparison of Unsatisfactory Samples from Conventional Smear versus Liquid-Based Cytology in Uterine Cervical Cancer Screening Test: Hoiseon Jeong, Sung Ran Hong, Seoung-Wan Chae, So-Young Jin, Hye Kyoung Yoon, Juhie Lee, Eun Kyung Kim, Sook Tai Ha, Sung Nam Kim, Eun-Jung Park, Jong Jae Jung, Sun Hee Sung, Sung-chul Lim; J Pathol Transl Med. 2017;51(3):314-319. Published online April 17, 2017; DOI: https://doi.org/10.4132/jptm.2017.03.17

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Background
Cervical cytology for uterine cervical cancer screening has transitioned from conventional smear (CS) to liquid-based cytology (LBC), which has many advantages. The aim of this study was to compare the proportion of unsatisfactory specimens from CS versus LBC at multiple institutions including general hospitals and commercial laboratories.
Methods
Each participating institution provided a minimum of 500 Papanicolaou (Pap) test results for analysis. Pap tests were classified according to the participating institution (commercial laboratory or general hospital) and the processing method (CS, ThinPrep, SurePath, or CellPrep). The causes of unsatisfactory results were classified as technical problems, scant cellularity, or complete obscuring factors.
Results
A total of 38,956 Pap test results from eight general hospitals and three commercial laboratories were analyzed. The mean unsatisfactory rate of LBC was significantly lower than that of CS (1.26% and 3.31%, p = .018). In the LBC method, samples from general hospitals had lower unsatisfactory rates than those from commercial laboratories (0.65% vs 2.89%, p = .006). The reasons for unsatisfactory results were heterogeneous in CS. On the other hand, 66.2% of unsatisfactory results in LBC were due to the scant cellularity.
Conclusions
Unsatisfactory rate of cervical cancer screening test results varies according to the institution and the processing method. LBC has a significantly lower unsatisfactory rate than CS.

Citations

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Meeting the challenges of cervical cancer screening and HPV vaccination in the UK
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High-risk human papillomavirus test in anal smears: can it optimize the screening for anal cancer?
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Cancer Cell International.2021;[Epub] CrossRef
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Case Reports

Composite Pheochromocytoma or Paraganglioma of Adrenal Gland: A Case Report with Immunohistochemical Studies and Electron Microscopic Examination.: Hyeyoon Chang, Hoiseon Jeong, Younghye Kim, Sung Hye Park, Aeree Kim; Korean J Pathol. 2011;45(3):306-310.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.3.306

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Abstract PDF

Composite pheochromocytoma or paraganglioma of the adrenal gland is a well-recognized, yet extremely rare tumor with only one case reported in Korea. We report a case of incidentally found composite pheochromocytoma and ganglioneuroma of the adrenal gland in a 44-year-old female composed of intermingled components of pheochromocytom, ganglioneuroma, and cells with intermediate features. On immunohistochemical staining, the pheochromocytoma component was positive for synaptophysin and chromogranin, but negative for S-100 protein. Staining for the S-100 protein revealed sustentacular cells which formed a peripheral coat around the "Zellballen" and Schwann cells. The Fontana-Masson stain defined neuromelanin granules of ganglion cells and the ganglion cells expressed neural markers such as neurofilament proteins. Ultrastructural findings revealed pheochromocytes with a round or ovoid nucleus and occasionally prominent nucleolus containing numerous adrenaline and noradrenaline granules.

Citations

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Bilateral pheochromocytoma with ganglioneuroma component associated with multiple neuroendocrine neoplasia type 2A: a case report
Boubacar Efared, Gabrielle Atsame-Ebang, Soufiane Tahirou, Khalid Mazaz, Nawal Hammas, Hinde El Fatemi, Laila Chbani
Journal of Medical Case Reports.2017;[Epub] CrossRef

Extramedullary B Lymphoblastic Crisis of CML, Presenting as a Leptomeningeal Tumor: A Case Report.: Hoiseon Jeong, Bongkyung Shin, Sook Young Bae, Sangho Lee, Youngjune Ryu, Hankyeom Kim, Insun Kim; Korean J Pathol. 2009;43(5):482-488.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.5.482

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Abstract PDF: We report here on a rare case of a patient who presented with an extramedullary B lymphoblastic crisis as an initial manifestation of chronic myelogenous leukemia (CML). A 71-year-old man visited the emergency room due to suddenly developed dysarthria and right side weakness. Emergency craniotomy was done under the presumptive diagnosis of subdural hemorrhage. During the operation, a poorly demarcated firm mass was identified in the leptomeningeal space. Microscopically, the majority of the tumor was composed of monotonous immature cells with blast morphology, and these cells were immunoreactive for TdT, CD34, CD10 and CD20, indicating the precursor B-cell phenotype. The peripheral area of the tumor consisted of myeloid cells in various stages of maturation, and these cells were reactive for myeloperoxidase, chloroacetate esterase, CD43 and CD15. FISH analysis using the LSI bcr-abl dual color probe showed gene fusion signals in both the B-lymphoblasts and myeloid cells. The peripheral blood and bone marrow findings were consistent with CML with no evidence of a blast crisis. Cytogenetic study of the bone marrow demonstrated the 46, XY, t(9;22)(q34;q11) chromosome. A diagnosis of extramedullary B lymphoblastic blast crisis in a patient with Philadelphia chromosome-positive CML was made. Despite treatment, the patient died 3 months after he was diagnosed.

Original Articles

Pathological Characteristics of 20 Cases of Langerhans Cell Histiocytosis and Specificity of Immunohistochemical Stain of Langerin (CD207).: Youngjoon Ryu, Hyunjoo Lee, Sangho Lee, Hoiseon Jeong, Bongkyung Shin, Aeree Kim, Hankyeom Kim, Insun Kim; Korean J Pathol. 2009;43(2):113-119.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.2.113

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Abstract PDF

BACKGROUND
Langerhans cell histiocytosis (LCH) is a well-known neoplastic disorder of Langerhans cells which has characteristic findings, however, LCH has not been adequately studied in Korea.
METHODS
We analyzed the clinicopathologic features of 20 patients with LCH who were diagnosed between 1997 and 2006 at the Korea University Guro and Anam Hospitals.
RESULTS
The M:F ratio was 3:1 and the age ranged from 2-60 years (mean, 23.8 years [4 in 1st decade, 6 in 2nd decade, 2 in 3rd decade, 5 in 4th decade and 3> or =40 years of age). The cases were classified as unifocal unisystemic in 13 patients, multifocal unisystemic in 4 patients, and multifocal multisystemic in 3 patients. The bone was the most commonly involved organ (14), followed by lymph node (5), lung (2), skin (2) and ureter (1). The Langerhans cells were immunohistochemically stained with Langerin, CD1a, S-100 protein, and CD68. Langerin and CD1a were specific for Langerhans cells.
CONCLUSIONS
The distribution of the involved organs in patients with LCH was similar to the distribution in Western countries, but lymph node involvement was more frequent, whereas lung involvement was less common. Langerin is considered to be a specific marker for Langerhans cells.

Citations

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Treatment Outcome of Langerhans Cell Histocytosis
So Hak Chung, Jae Do Kim, Hyun Ik Jo
The Journal of the Korean Bone and Joint Tumor Society.2014; 20(1): 14. CrossRef

Detecting Malignant Urothelial Cells by Morphometric Analysis of ThinPrep(R) Liquid-based Urine Cytology Specimens.: Bong Kyung Shin, Young Suk Lee, Hoiseon Jeong, Sang Ho Lee, Hyunchul Kim, Aree Kim, Insun Kim, Han Kyeom Kim; Korean J Cytopathol. 2008;19(2):136-143.; DOI: https://doi.org/10.3338/kjc.2008.19.2.136

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Abstract PDF

Urothelial carcinoma accounts for 90% of all the cases of bladder cancer. Although many cases can be easily managed by local excision, urothelial carcinoma rather frequently recurs, tends to progress to muscle invasion, and requires regular follow-ups. Urine cytology is a main approach for the follow-up of bladder tumors. It is noninvasive, but it has low sensitivity of around 50% with using the conventional cytospin preparation. Liquid-based cytology (LBC) has been developed as a replacement for the conventional technique. We compared the cytomorphometric parameters of ThinPrep(R) and cytospin preparation urine cytology to see whether there are definite differences between the two methods and which technique allows malignant cells to be more effectively discriminated from benign cells. The nuclear-to-cytoplasmic ratio value, as measured by digital image analysis, was efficient for differentiating malignant and benign urothelial cells, and this was irrespective of the preparation method and the tumor grade. Neither the ThinPrep(R) nor the conventional preparation cytology was definitely superior for distinguishing malignant cells from benign cells by cytomorphometric analysis of the adequately preserved cells. However, the ThinPrep(R) preparation showed significant advantages when considering the better preservation and cellularity with a clear background.

Citations

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Comparison of diagnostic accuracy between CellprepPlus® and ThinPrep® liquid‐based preparations in effusion cytology
Yong‐Moon Lee, Ji‐Yong Hwang, Seung‐Myoung Son, Song‐Yi Choi, Ho‐Chang Lee, Eun‐Joong Kim, Hye‐Suk Han, Jin young An, Joung‐Ho Han, Ok‐Jun Lee
Diagnostic Cytopathology.2014; 42(5): 384. CrossRef
A Comparison Between ThinPrep Monolayer and Cytospin Cytology for the Detection of Bladder Cancer
Ji Yong Kim, Hyung Jin Kim
Korean Journal of Urology.2014; 55(6): 390. CrossRef
Cytological and Morphometric Study of Urinary Epithelial Cells with Histopathological Correlation
Asim Kumar Manna, Manisha Sarkar, Ujjal Bandyopadhyay, Srabani Chakrabarti, Swapan Pathak, Diptendra Kumar Sarkar
Indian Journal of Surgery.2014; 76(1): 26. CrossRef
Evaluation of Urine Cytology in Urothelial Carcinoma Patients: A Comparison of CellprepPlus® Liquid-Based Cytology and Conventional Smear
Seung-Myoung Son, Ji Hae Koo, Song-Yi Choi, Ho-Chang Lee, Yong-Moon Lee, Hyung Geun Song, Hae-Kyung Hwang, Hye-Suk Han, Seok-Joong Yun, Wun-Jae Kim, Eun-Joong Kim, Ok-Jun Lee
Korean Journal of Pathology.2012; 46(1): 68. CrossRef

Case Report

Adenomyoma of Endocervical Type in a First-Trimester Gravid Uterine Corpus: A Brief Report.: Hyunchul Kim, Hoiseon Jeong, Sangho Lee, Young Seok Lee, Bong Kyung Shin, Insun Kim; Korean J Pathol. 2008;42(2):123-124.

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Abstract PDF: Uterine adenomyoma is a neoplasm that is composed of endometrial glands and smooth muscle, and this is found in the uterine corpus; however, the glandular component is occasionally of mucin-secreting endocervical type. We describe here a case of uterine adenomyoma of the endocervical type, and this presented in a 38-year-old pregnant woman.

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