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Bilateral postoperative maxillary cysts after orthognathic surgery: A case report
이정혜,허경회,이원진,허민석,이삼선,최순철 대한영상치의학회 2014 Imaging Science in Dentistry Vol.44 No.4
Postoperative maxillary cysts are locally aggressive lesions, usually developing as delayed complications many years after radical antral surgery. This report describes a case of bilateral postoperative maxillary cysts following orthognathic surgery performed approximately 21 years previously. The patient complained of stinging pain on her right cheek. Radiographic examination revealed low-attenuation lesions on both maxillary sinuses with discontinuously corticated margins without distinct expansion or bone destruction. The cysts were enucleated with the removal of metal plates and screws for pain relief. Histopathological examination confirmed the diagnosis of postoperative maxillary cysts lined by ciliated, pseudostratified columnar cells. The patient has remained asymptomatic thus far, and there was no evidence of local recurrence at 21 months of postoperative follow-up.
이정혜,유영은,박상희,조민선,성선희,Jae Y. Ro 대한병리학회 2020 Journal of Pathology and Translational Medicine Vol.54 No.2
Background: Distinguishing prostatic stromal invasion (PSI) by urothelial carcinoma (UC) from in situ UC involving prostatic ducts or acini with no stromal invasion (in situ involvement) may be challenging on hematoxylin and eosin stained sections. However, the distinction between them is important because cases with PSI show worse prognosis. This study was performed to assess the utility of double cocktail immunostains with high molecular weight cytokeratin (HMWCK) and GATA-3 to discriminate PSI by UC from in situ UC involvement of prostatic ducts or acini in the prostate. Methods: Among 117 radical cystoprostatectomy specimens for bladder UCs, 25 cases showed secondary involvement of bladder UC in prostatic ducts/acini only or associated stromal invasion and of these 25 cases, seven cases revealed equivocal PSI. In these seven cases with equivocal PSI, HMWCK, and GATA-3 double immunohistochemical stains were performed to identify whether this cocktail stain is useful to identify the stromal invasion. Results: In all cases, basal cells of prostate glands showed strong cytoplasmic staining for HMWCK and UC cells showed strong nuclear staining for GATA-3. In cases with stromal invasion of UC, GATA-3-positive tumor cells in the prostatic stroma without surrounding HMWCK-positive basal cells were highlighted and easily recognized. Among seven equivocal cases, two cases showed PSI and five in situ UC in the prostate. In two cases, the original diagnoses were revised. Conclusions: Our study suggested that HMWCK and GATA-3 double stains could be utilized as an adjunct method in the distinction between PSI by UC from in situ UC involving prostatic ducts or acini.
이정혜,김유진,정대영,심주선,김익환,양대춘 고려인삼학회 2009 Journal of Ginseng Research Vol.33 No.1
This experiment was done to determine the optimum conditions for the induction of tetraploidy in Panax ginseng C. A. Meyer using bud length, temperature and plant growth regulator pretreatments. Highest callus formation was obtained when the medium was inoculated with flower bud in the size of 2-3 mm in length. The optimum temperature for the callus formation was high when treated at 4oC for 4-5 days. Among the treatments of growth regulators and different concentration, highest callus formation was observed in combination of 5 mg/L 2,4-D and 1 mg/L kinetin for P. ginseng. As a result of flow cytometer analysis, all 7 adventitious roots were confirmed as tetraploidys. Cytological analysis revealed that the chromosome number of tetraploid roots was 96, while that of diploid roots was 48. Tetraploid ginseng roots were inoculated to flower bud size of 2-3 mm in length. The callus formation was optimum when treated with l mg/L 2,4-D at 4oC for 5 days. Compared with control roots, tetraploid roots were thicker and longer and had few lateral branches. Fresh weight of tetraploid roots was relatively higher than the control roots.
Analysis of Research Trends in Parents of Children with Autism Spectrum Disorder in Korea
이정혜,박순길,박미란 사단법인 미래융합기술연구학회 2021 아시아태평양융합연구교류논문지 Vol.7 No.9
This study analyzed previous studies to suggest research directions for children with autistic disorders in Korea. In order to achieve this purpose, the general characteristics of parents of children with autistic disorders and research trends according to evidence-based practice were investigated. The literature on analysis related to parents of children with autistic disorder has a total of 24 studies, general characteristics (research target, Independent Variable, Dependent Variable, Research design) and evidence-based actual qualitative indicators were analyzed. Korean journal articles published between 2008 and August 2020 were selected for analysis. The research results are as follows. First, as a result of analyzing the general characteristics of research papers mediated directly by parents of children with autistic disorders, there were three group-designed studies (12.5%) and fifteen single-subject studies (87.5%). The study mainly conducted social interaction training, positive behavior support, complementary and alternative communication tools, central axis response training, sensory integration program, developmental play therapy, and a structured approach in relation to independent variables. Second, looking at the rating table for the qualitative indicators of evidence-based reality, it can be seen that 19 studies that satisfies the information on the subject of study were presented relatively faithfully compared to other items. Therefore, when conducting intervention studies on children with autism disorders, group design studies are also necessary, and evidence-based practical intervention strategies should be presented and implemented.
이정혜,안견,정의상,정태영,Jung-Hye Lee,MD,Kyeon Ahn,MD,Eui-Sang Chung,MD,PhD,Tae-Young Chung,MD,PhD 대한안과학회 2010 대한안과학회지 Vol.51 No.9
Purpose: To determine predictable factors of postoperative pain and cut-off values following LASEK eye surgery. Methods: Thirty-three eyes of 17 patients who underwent LASEK from May to December 2008 were reviewed. For evaluation of predictive factors, patients’ anxiety level was converted to APAIS, HADS, STAI, and VAS preoperatively. Substance P and prostaglandin E2 levels in tears, blood pressure, heart rate, and history of any previous surgery were determined before the procedure. Thirty minutes and 1 day after LASEK, the subjective degree of pain was scored. Results: Patients with high Amsterdam preoperative anxiety scale (APAIS) and Visual analogue scale (VAS) scores showed more postoperative pain (p=0.04, p<0.001). Higher substance P and prostaglandin E2 levels were significantly related with more severe pain after LASEK (p<0.001, p<0.001). Postoperative pain increased significantly, according to cut-off values (p<0.05), APAIS and VAS scores greater than 6, substance P greater than 631.84 pg/ml, and prostaglandin E2 greater than 783.90 pg/ml. Conclusions: The level of pain after LASEK surgery varies individually, and many factors, including physical and psychological variances, can affect the pain. With higher APAIS/VAS scores and higher concentrations of substance P, prostaglandin E2 portends more severe pain following LASEK. J Korean Ophthalmol Soc 2010;51(9):1203-1209