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이기찬,손정민,윤기영,최호정,박성준,이영원,정성목,신상태,조종기 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2006 動物醫科學硏究誌 Vol.14 No.-
In this report, we present a case of the male pseudohermaphrodite in a beagle dog. The animal was subjected for examination due to enlargement of clitoris that was shown as reddish finger-like structure protruding from the vulva. Visual examination of the internal genitalia revealed that the animal possessed both testes and uterus. Based on the findings of physical examination and exploratory laparotomy, it was tentatively diagnosed as male pseudohermaphrodite. Internal genitalia and enlarged clitoris were removed for the prevention of pyometra and Sertoli cell tumor.
Pomeranian에서 발생한 치주 질환에 의한 비염 1례
이기자,최윤정,최형준,이용진,최호정,이영원,정성목 忠南大學校 獸醫科大學 動物醫科學硏究所 2005 動物醫科學硏究誌 Vol.13 No.-
A 10-year-old spayed female dog with history of persistent nasal discharge and halitosis was presented. In oral examination, there were severe dental calculi and gingivitis. The radiographic imaging showed lesions of left nasal cavity and periodontal membrane. In computed tomographic imaging, there are increased density of left nasal cavity, loss of nasal concha and partial defect of nasal septum. Many inflammatory cells were observed in nasal cytology. The result of culture from nasal smear was negative. All these findings result in rhinitis by dental calculi and gingivitis. The dog got improved after scaling, tooth extraction, and medical treatment.
안동기,조개영,정목근 대진대학교 첨단소재연구소 2002 첨단소재연구소논문집 Vol.5 No.-
Ultrasound elastography has drawn a lot of attention because it enables one to image the stiffness of soft tissue whose quantification can lead to differentiation of benign and malignant tissues. To start the research of elastography, we fabricated stiffness phantoms using gelatin and agar, and measured the stiffness of each phantom. Measured stiffness value is about tens kPa. and is dependent on the density of agar and gelatin, and n-propanol. We confirmed that agar-gelatin phantom is good for mimicking elasticity of biological tissue.
多孔性 4-비닐피리딘 樹態의 合成과 硼素同位元素分離(第1報)
孟琦錫,宋海永,徐廷穆 충남대학교 공업교육연구소 1982 論文集 Vol.5 No.2
Porous 4-Vinylpyridine-chelate resins were synthesized for separation of a boron isotope by the suspension polymerization method. Pore volume and pore spectra were determined with a mercury porosimeter. We discussed the influences of DVB and diluents on the pore volume of the resin. Fine structures of the resins were studied with scanning electron micrographs. The atomic ration of boron-l0 was determined with an inorganic mass spectrometer. The pore volume is increased with the increases of DVB and diluent. The pores of the resin prepared with heptane are opened, and the diameter of the microsphere in the resin is about 1 micron. Boron-10 was enriched at the rear part of the chromatogram.
국부 마모 부품을 위한 레이저 표면강화 열처리에 관한 연구
이목영,김형준,김기철,김재웅 한국레이저가공학회 2002 학술발표대회 Vol.2002 No.1
두께 10mn 일반기계구조용강재를 사용하여 레이저 종류에 따른 표면경화 열처리특성에 관하여 알아보았다. 경화층의 형성은 레이저의 종류에 크게 영향을 받았는데, 표면경화 열처리를 위해서는 파장이 짧은 Nd-YAG 레이저를 사용하는 것이 유리하였다. 경화층의 최고경도는 700Hv 가량으로 높게 나타났으며, 레이저 표면경화 열처리는 상온에서 사용되는 부품의 내마모성 향상 특히 국부 마모를 겪는 부품에 효과적일 것으로 판단되었다.
이목영,김재웅,김기철 한국레이저가공학회 2003 학술발표대회 Vol.2003 No.1
두께 2.0mm 열연강판을 대상으로 GMA 용접과 Nd:YAG 레이저 용접의 복합화에 따른 용접성을 알아보았다. GMA 용접과 레이저 용접의 공정 변수를 제어하므로서 용접부 크기제어가 가능하였으며, 특히 합금량이 높은 경우에는 filler의 성분을 조절하여 용접비드의 야금학적/기계적 특성 제어가 용이하였다. 레이저-아크 하이브리드 용접은 알루미늄 혹은 고강도강과 같이 용접이 어려운 소재의 용접에 적당하였으며, 상대적으로 낮은 출력의 레이저를 사용하므로서 용접 cost의 저감이 가능하였다.
개의 아토피 피부염에 대한 Leflunomide의 임상적 적용 1례
홍은지,윤기영,서경원,최호정,정성목,송근호,조종기,박성준 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2012 動物醫科學硏究誌 Vol.19 No.1
A Shih-tzu(8-year-old, castrated male) was referred to the Veterinary Medical Teaching Hospital of Chungnam National University with the history of relapsing pruritus, recurrent dermatitis. On the physical examination, generalized erythema, otitis externa, alopecia and lichenification were observed. Using Favrot's criteria for diagnishing atopic dermatitis, 7 criteria were satisfied out of 8 criteria. After treatment for infection, intradermal skin test was performed(positive allergen : Df, Dp). And then immunotherapy was performed, but clinical signs were not getting better. Next treatment of glucocorticoid shown little improvement of clinical signs, and adverse effect(diarrhea) was shown after cyclosporine application. So application of leflunomide which is used for human atopic dermatitis treatment in some case was planned. After 6 months of application of leflunomide, clinical signs were decreased gradually.
이새미,윤기영,서경원,최호정,정성목,송근호,조종기,박성준 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2012 動物醫科學硏究誌 Vol.19 No.1
A 11-year-old Yorkshire terrier anesthetized for computed tomography. The dog showed cyanosis and syncope during postanesthetic recovery, therefore drug administrated parenterally. Goose-honking was noticed after full recovery. As a result of survey radiography and fluoroscopy, grade 4 tracheal collapse was diagnosed. Prescription for the dog was oral administration of hydrocodone 0.22 mg/kg. theophylline 20 mg/kg, prednisone 0.5 mg/kg, amoxicillin 22 mg/kg and chlorpheniramine 2 mg/kg twice a day for 3 days. A 10-year-old Pomeranian was diagnosed as grade 2 traceal collapse at the local animal hospital 2 years before being referred to the veterinary teaching hospital of Chungnam National University. On physical examination, goose-honking, coughing and intermittent open-mouth breathing. Tracheal narrowing was observed on survey einradiography and fluoroscopy. Oral administration of theophylline 13 mg/kg, enrofloxacin 5 mg/kg, chlropheniramine 0.5 mg/kg twice a day was prescribed for 2 weeks.
개 비장 질환의 미세세침흡입술을 통한 세포병리학 검사 4례
김현아,윤기영,최호정,정성목,이영원,조성환,박성준 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2011 動物醫科學硏究誌 Vol.18 No.1
To evaluate the accuracy and diagnostic significance of cytopathological diagnosis of canine splenic disorders, cytopathological examination throgh fine-needle aspiration(FNA) referred to Veterinary Medical Teaching Hospital of Chungnam National University were retrospectived. Splenic neoplasm, hemolymphatic neoplasm, hyperplasia, extramedullary hematopoiesis and splenitis were diagnosed canine splenic disorders through cytopathological examination. The patient should be identified what coagulation profile are normal before aspiration, because complication such as hemorrhage could happen. The 4 cases were identified symmetric, asymmetric splenomegaly on abdominal ultrasonography and then were performed ultrasound-guided FNA. The 4 cases were diagnosed hemangiosarcoma(2), hyperplasia(1) and extramedullary hematopoiesis(1) by clinical signs, hematological examination, and cytopathological examination. Cytopathological examination through FNA was cost-effective, no gneral anesthesia, no complication, and non-invasive method of diagnosis for canine splenic disorders.