- P2X7 Receptor Expression in Coexistence of Papillary Thyroid Carcinoma with Hashimoto's Thyroiditis
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Ji Hyun Kwon, Eun Sook Nam, Hyung Sik Shin, Seong Jin Cho, Hye Rim Park, Mi Jung Kwon
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Korean J Pathol. 2014;48(1):30-35. Published online February 25, 2014
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DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.1.30
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Abstract
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- Background
This study was aimed at investigating the relation of P2X7 receptor (P2X7R) expression with the clinicopathological features of papillary thyroid carcinoma (PTC) coexisting with Hashimoto's thyroiditis (HT). MethodsWe examined 170 patients (84, PTC with HT; 86, PTC without HT). P2X7R expression was examined by immunohistochemical methods. The staining intensity and patterns were evaluated and scored using a semi-quantitative method. ResultsThe PTC with HT group was more likely to contain women and had less extrathyroid extension, lymph node (LN) metastasis, lymphovascular invasion, and recurrence than the PTC without HT group. Patients positive for P2X7R had significantly higher frequencies of lymphovascular invasion, extrathyroid extension, LN metastasis, and absence of HT. As shown by multivariate analysis, the expression of P2X7R was significantly higher if HT was absent and extrathyroid extension was present. In the PTC with HT group, the expression of P2X7R was significantly higher in patients with tumor multifocality, lymphovascular invasion, and extrathyroid extension. In the PTC without HT group, the expression of P2X7R was significantly higher in women and those having tumor multifocality. ConclusionsCoexistence of PTC with HT is associated with good prognostic factors, and P2X7R expression in PTC was correlated with poor prognostic factors and the absence of HT.
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- Application of Immunohistochemical Technique in the Cytologic Diagnosis of herpes Simplex Virus Infection.
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Hye Rim Park, Kap No Lee, Seung Young Paik
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Korean J Cytopathol. 1990;1(1):74-84.
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Abstract
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- Herpes simplex virus type 1 and 2(HSV-1, HSV-2) are the ubiquitous human pathogens responsible for a variety of afflictions, HSV-2 is one of the viruses that were suspected of promoting carcinogenesis in the uterine cervix.
Certainly, there is a need for the more sensitive and accurate laboratory techniques for HSV detection.
We examined total 80 cases of smears including 17 Tzanck smears of skin and 63 cases of Papanicolaou smears from total 77 patients with clinical impression of herpetic infections, from September, 1985 through August, 1989.
Immunohistochemical typings for HSV-1 and HSV-2 were performed together with routine cytologic findings and compared The results are as follows : 1) patients were 9 males and 33 females, and age distribution was between 5 and 71 years 2) Subjective symptoms such as ulceration, vesicle, vaginal discharge, pruritus, and pain were complained in 36 patients and 38 cases were genital herpes. Recurrence was noted in 11 cases.
3) Positive results were obtained in 42 among 80 cases.
4) Both routine cytology and imunohistochemical staining were positive in 13 cases and in 24 cases only immunohistochemical staining were positive. 5 cases were positive only in routine cytologic smears.
5) The cases that immunocytochemical stain had been performed were 37 cases, which were all positive in type 2, Among the above 37 cases, type 1 also were positive in 5 cases.
The results show that the immunoperoxidase technique is one of the rapid and reliable method to confirm the herpetic infection when suspected and that it is particularly useful when the Papanicolaou smear findings are equivocal
- Composite Tumor of Adenocarcinoma and Small Cell Neuroendocrine Carcinoma of the Uterine Cervix: A Case Report.
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Hye Rim Park, Yong Woo Lee, Young Euy Park
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Korean J Cytopathol. 1990;1(1):111-120.
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Abstract
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- Small cell neuroendocrine carcinoma of the uterine cervix is a distinct subtype of cervical cancer that appears analogous to oat cell carcinoma and carcinoid tumors of the lung. It has been assumed to be derived from the neural crest via argyrophilic cells in the normal endocervix.
We have recently encountered a case of small cell neuroendocrine carcinoma of the uterine cervix coexisting with adenocarcinoma which was argyrophil negative.
A 66-year-old multiparous woman was admitted because of vaginal bleeding for 2 months. Cervicovaginal smear revealed several scattered clusters and sheets of monotonous small cells with some peripheral palisading in the background of hemorrhage and necrosis.
Radical hysterectomy specimen revealed and ulcerofungating tumor on endocervical canal which was composed of two components. Major component of the tumor was made up of monomorphic population of small oval-shaped tumor cells arranged in sheets and partly in acinar structeres or trabecular fashion. Other component was adenocarcinoma, endocervical well-differentiated type.
Argyropilia was present on the Grimelius stain and immunohistochemical studies revealed diffuse positivity to neuron-specific enolase and carcinoembryonic antigen.
Electron microscopic examination showed clusters of small round to oval cells, which had a few well-formed desmosomes and several membrane-bound, dense-core neurosectetory granules.
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