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Development of a Beam Buncher for the KIRAMS-30 Cyclotron
Yang, Tea Gun,Jung, In Su,Kang, Gun Uk,An, Dong Hyun,Hahn, Garam,Kang, Joon Sun,Hong, Bong Hwan,Chang, Hong Suk,Yim, Hee Joong,Kim, Yu-Seok,Kim, Geun-Beom,Park, Yeunsoo,Kwon, Key Ho,Cho, Jun Dong Korean Physical Society 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.56 No.6
Distribution of Malassezia Species on the Scalp in Korean Seborrheic Dermatitis Patients
( Yang Won Lee ),( Hee Jin Byun ),( Beom Joon Kim ),( Dong Ha Kim ),( Yun Young Lim ),( Jin Woong Lee ),( Myeung Nam Kim ),( Dong Hak Kim ),( Young Jin Chun ),( Seog Kyun Mun ),( Chan Woong Kim ),( Su 대한피부과학회 2011 Annals of Dermatology Vol.23 No.2
Background: Malassezia species play an important role in the pathogenesis of seborrheic dermatitis. In particular, M. restricta and M. globosa are considered to be the predominant organisms in seborrheic dermatitis of Western countries. However, species distribution of Malassezia in seborrheic dermatitis has not been clearly determined yet in Asia. Objective: To identify the distribution of Malassezia species on the scalp of seborrheic dermatitis patients in Korea using 26S rDNA PCR-RFLP analysis. Methods: A total of 40 seborrheic dermatitis patients and 100 normal healthy volunteers were included in this study. For the identification of Malassezia species, the scalp scales of the subjects were analyzed by 26S rDNA PCR-RFLP analysis. Results: The most commonly identified Malassezia species were M. restricta in the seborrheic dermatitis patients, and M. globosa in the normal controls. In the seborrheic dermatitis group, M. restricta was identified in 47.5%, M. globosa in 27.5%, M. furfur in 7.5%, and M. sympodialis in 2.5% of patients. In the healthy control group, M. globosa was identified in 32.0%, M. restricta in 25.0%, M. furfur in 8.0%, M. obtusa in 6.0%, M. slooffiae in 6.0%, and M. sympodialis in 4.0% of subjects. Conclusion: M. restricta is considered to be the most im portant Malassezia species in Korean seborrheic dermatitis patients. (Ann Dermatol 23(2) 156∼161, 2011)
Establishment and Selection of Indicator Materials for Cervi Parvum Cornu Pharmacopuncture
Yang, Kyu-Jin,Lee, Ki-Beom,Kim, No-Hyeon,Kim, Tae-Gyu,Gi, Yu-Mi,Joo, Hwan-Soo,Suh, Chang-Yong,Lee, In-Hee,Chung, Hwa-Jin,Ha, In-Hyuk,Lee, Jae-Woong Korean AcupunctureMoxibustion Medicine Society 2017 Korean Journal of Acupuncture Vol.34 No.4
Background: Recently, Cervi Parvum Cornu pharmacopuncture has been widely used. But no studies on the indicator materials for Cervi Parvum Cornu pharmacopuncture have been conducted. The aim of this study was to select indicator materials that would aid in the uniform preparation of standardized Cervi Parvum Cornu pharmacopuncture. Methods: Three lots of Cervi Parvum Cornu pharmacopuncture were analysed. Each lot was prepared using the same methods and materials. Chondroitin sulfate, alanine, and leucine were selected as the indicator materials for Cervi Parvum Cornu. For standardization, chondroitin sulfate analysis was performed using the colorimetric method, while alanine and leucine were analyzed using liquid chromatography-mass spectrometry (LC-MS). Results: Analysis of the three lots of Cervi Parvum Cornu pharmacopuncture found chondroitin sulfate levels of $108.9{\pm}17.3ug/ml$, $118.8{\pm}5.0ug/ml$ and $112.3{\pm}11.9ug/ml$. Alanine levels were $44.9{\pm}2.8ug/ml$, $44.6{\pm}0.3ug/ml$, and $43.9{\pm}0.2ug/ml$. Leucine levels were $29.6{\pm}0.7ug/ml$, $29.0{\pm}0.1ug/ml$, and $29.4{\pm}0.1ug/ml$. Conclusion: These results suggest that chondroitin sulfate, alanine, and leucine may be useful for the standardization of Cervi Parvum Cornu pharmacopuncture.
Hee-Beom Yang*,Han-Byol Song*,Ji-Won Han,Joong Kee Youn,Dayoung Ko,Young Jin Ryu,Ji Young Kim,Hyun-Young Kim 대한외과학회 2023 Annals of Surgical Treatment and Research(ASRT) Vol.104 No.1
Purpose: Appendectomy is one of the most common surgeries in children. Although various radiological examinations are performed, they do not always reveal a definitive diagnosis of appendicitis. This study aimed to investigate the clinical course of equivocal appendicitis, identify the factors associated with appendectomy, and suggest appropriate management for these patients. Methods: Patients younger than 19 years who visited Seoul National University Bundang Hospital with a differential diagnosis of appendicitis from January 2013 to December 2017 were included. All participants conducted ‘appendiceal CT’ with a scoring scale of 1–5. The higher the score, the higher the likelihood of a radiologic diagnosis of appendicitis. We defined the appendicitis CT score of 2–4 as equivocal appendicitis (n = 143). Medical records were reviewed retrospectively for demographics, further examination as abdominal ultrasonography, and appendectomy status (yes or no). The mean follow-up period was 15.6 ± 71 days. Results: Equivocal appendicitis accounted for 16.7%. Additional ultrasonography test was performed in 24.5% (35 of 143). In total, 34 patients (23.8%) underwent appendectomy. Among the patients with appendiceal CT scores 2, 3, and 4, 4.9%, 50.0%, and 87.5% underwent appendectomy, respectively. Higher WBC count, higher appendicitis CT score, and readmission were significantly associated with appendectomy in patients with equivocal appendicitis. Conclusion: Higher appendicitis CT score and WBC level were positively associated with appendectomy. Careful observation can be a treatment option in appendicitis CT score 2 or 3 groups. Appendectomy is the first-line treatment for patients with appendicitis score 4. Additional ultrasonography test is advisable to determine treatment modality for equivocal appendicitis.