• Korean journal of applied entomology
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• 제19권1호
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• pp.11-20
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• 1980

Percent penetration on a specific rice variety was more affected by blast fungus isolate or predisposition temperature than by temperature and isolate combinations. A susceptible variety tested remained continuously susceptible regardless of whether the variety was grown at different temperature regimes and exposed to isolates/races with differences in pathogenicity and virulence. The expression of virulence by a particular blast fungus isolate race was observed to be changed by subjecting rice host plants to different predisposing temperature conditions prior to inoculation.

• Korean journal of applied entomology
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• 제19권4호
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• pp.234-238
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• 1980

The relationships between the mean degree of hyphal growth in the leaf sheath and percent penetration in the leaf epidermis within the same predisposing temperature regime were highly significant. A positive relationship was found between degree of hyphal growth in the leaf sheath and Percent Penetration in the leaf epidermis.

• Korean Journal Plant Pathology
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• 제12권3호
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• pp.324-330
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• 1996

암수 딴그루인 참다래 품종 중에서 우리나라에서 재배되고 있는 대표적인 결실수(암나무)인 Hayward와 수분수(숫나무)인 Matua에서 궤양병의 발생 차이를 조사한 결과 Hayward의 이병엽율은 18.0%인 반면에 Matua의 이병엽율은 2.4%였다. 또한 Hayward와 Matua의 잎에 형성된 병반에서 분리된 궤양병균의 균총수는 생체중 1 g당 각각 1.8$\times$10\ulcorner개와 2.1$\times$10\ulcorner개로 Hayward에서 Matua보다 약 10배 가량 많은 궤양병균이 검출되었다. Hayward 신초에 존재하는 궤양병균의 밀도를 조사한 결과 줄기 조직보다는 잎 조직에서 많은 궤양병균이 검출되었으며 새로 나온 잎일수록 궤양병균의 밀도는 낮게 검출되었다. 궤양병 방제를 위하여 스트렙토마이신 수간주입에 의한 궤양병 치료효과는 50.7~53.7%였다. 수간주입시 약량을 주당 2 L에서 3 L와 4 L로 증가시킴에 따라 치료효과도 32.3%에서 58.1%와 71.0%로 각각 증대되었는데, 수간주입 약제와 수간주입 방법의 개선을 통하여 궤양병 치료효과를 더욱 증대시킬 수 있을 것으로 기대된다.

• Journal of Veterinary Clinics
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• 제18권4호
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• pp.429-433
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• 2001

Lymphoma is one of the most common malignant neoplasms of the dog. Little has been published on intraocular lymphoma in dogs. This report presents a 8-year-old neutered male mixed dog with a previous history on inflammatory debris on the anterior and posterior lens capsules, vitreal hemorrhage, generalized peri-pheral lymphadenopathy and a palpable mid-abodominal mass. History, clinical signs, radiography, cytology, histopathology and chemotherapeutic response confirmed multicentric lymphoma with secondary ocular infla-mmation. Intraocular lymphoma, the most common secondary neoplasm of the canine eye, may be the present-ing evidence of systemic disease. This report describes a dog that presented with ocular manifestations of multicentric lymphoma.

• Korean Journal Plant Pathology
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• 제1권1호
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• pp.12-16
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• 1985

Attempts were made to evaluate the efficacy of three fluorochromes, i.e., DAPI (4'-6-diamidino-2-phenylin-dole-2HCl), aniline blue and quinacrine(quinacrine mustard dihydrochloride) for the detection of mycoplasma infections in jujube (Zizyphus jujuba), mulberry (Mows alba) trees and periwinckle (Catharanthus roseus) plant by fluorescence microscopy. Stem sections from these plants infected with mycoplasma-like organisms (MLO) produced distinct fluorescence in the phloem when stained with DAPI, aniline blue or quinacrine, while fluorescence was absent in the healthy plants. The use of these fluorochromes provided simple and efficient techniques for the diagnosis of MLO infections. IOf the three fluorochromes tested, DAPI was found to be most efficient.

• The Korean Journal of Cytopathology
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• 제1권2호
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• pp.121-128
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• 1990

Endometrial papillary serous carcinoma (EPSC) is a distinct variant of endometrial adenocarcinoma that histologically resembles ovarian serous papillary adenocarcinoma and has an aggressive clinical course. Usually, the tumor is diagnosed at the advanced stage. The tumor has well confused with metastatic ovarian tumor of identical histology. Dignosis of EPSC should be considered when the cervico-vaginal smear reveals nomerous papillary clusters of tumor cells with macronucleoli and psammoma bodies. Recently, we have experienced two cases of EPSC diagnosed on cervico-vaginal smears, which revealed characteristic cytologic features including numerous papillary clusters of tumor cells with macronucleoli. The cytologic diagnoses were confirmed on histologic sections.

• Korean Journal Plant Pathology
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• 제12권1호
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• pp.47-57
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• 1996

병원성 Fusarium에 의한 아스파라거스 감염은 비병원성 Fusarium을 5일과 7일 전에 접종하였을 때 방제효과가 있었다. 비병원성 F. oxysporum은 F. moniliforme에 대하여 방제효과가 있었고, F. solani는 F. oxysproum에 대하여 방제효과가 있음이 밝혀졌다. 실험에 사용된 Fusarium 균들은 모두 주근과 측근의 말단 부위, 상처부위, 그리고 표피의 세포벽 사이를 통하여 감염하였다. 경우에 따라 감염하는 동안 appressorium과 유사한 구조를 형성하기도 하였고, 직접 감염하는 경우도 있었다. 병원성 그리고 비병원성 Fusarium 균 모두 공통적으로 생장점 부위를 통하여 감염하였다. 병원성이 강한 Fusarium 균의 경우 비병원성 균들보다 감염의 속도가 빨랐고 더욱 생장이 왕성하였다. F. solani는 생장속도나 기주 조직 침입속도가 매우 느렸다. 기주 감염의 결과 처음에는 cortical rot을 유발시켰고 나중에는 tracheary elements를 감염하고 결국은 조직의 괴사를 유발하는 것이 관찰되었다. 비병원성 F. oxysporum은 표피조직에 두터운 균사층을 형성하였고, 이는 병원성 Fusarium 균에 대한 방제효과를 나타내는 원인을 제공한 것으로 여겨진다. F. solani는 측근의 생성을 촉진시켜 표면적을 증대시킨 것으로 여겨진다. 결론적으로 AVFO와 F. solani를 이용하여 아스파라거스에 발생하는 병원성 Fusarium균의 침입을 저지할 수 있는 생물적 방제가 가능함이 밝혀졌다.

• Journal of the korean veterinary medical association
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• 제33권1호
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• pp.22-28
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• 1997

12마리의 개들을 12주동안 6종류의 규정식으로 각각 급여시켰다. 규정식들은 단지 단백질원 즉 닭고기, 새끼양의 고기, 물고기, 쇠고기 및 콩이란 것에서만 차이가 있었다. 개들은 CBC 즉, 혈청화학프로필, 요분석, TSH반응시험 및 피부생검을 통하여 평가하였다. 피부생검은 조직학적으로 하는 것과 피부지방산 농도의 측정을 통한 평가, 두가지 방법으로 평가하였다. 평가된 지방산들은 리롤레산, 감마-리롤렌산, 알파-리롤렌산, 아라키돈산, 아이코사테트라에노이산 및 아이코사펜타에노이산 등이었다. 개들은 주관적으로 생검채취부위에서 털의 재성장과 비늘(피부의 얇은 조각)의 존재유무로 평가하였다. 결과에서 보면 각종의 규정식을 급여시킨 개들 사이에서 CBS, 조직적 소견 또는 피부지방산 수치에서 차이가 나타나지 않았다. 쇠고기 규정식을 급여시킨 12마리중 3마리의 개에서 고콜레스테롤 혈증이 있었고, 콩 규정식을 급여시킨 12마리중 9마리의 개에서 알카리성 오줌과 돼지고기를 급여시킨 12마리중 4마리가 비늘이 주관적 증가가 있었고, 털의 재성장이 감소된 것으로 나타났다.

• Journal of Yeungnam Medical Science
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• 제8권2호
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• pp.70-75
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• 1991

Supraclavicular lymph nodes are unique in that they can attract metastases from almost anywhere in the body and most common sites of metastasis from an unknown primary source. 125 cases which had been diagnosed as metastatic supraclavicular lymph node during the period between May 1983 and August 1991, were analysed pathologically, and the following distinctive characteristics could be outlined : 1) The most frequent sites of metastasis from primary lesions are lunge(43%), stomach(23%), lymphoreticular(6%), biliary(5%), esophagus(2%), and pancreas(2%). 2) Histologic examination of metastatic supraclavicular lymph node revealed adenocarcinoma(57%), squamous cell carcinoma(12%), undifferentiated carcinoma(9%), small cell carcinoma(7%), malignant lymphoma(6%), malignant melanoma(1%) and undetermined carcinoma(8%). 3) In cases that histologic type was adenocarcinoma, the most frequent primary sites were stomach(38%), lung(27%) and biliary(8%). 4) In cases that histologic types were squamous cell caricinoma, undifferentiated carcinoma, small cell carcinoma and undetermined carcinoma, the most frequent primary site was lung.

• The Korean Journal of Oral and Maxillofacial Pathology
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• 제42권6호
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• pp.189-198
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• 2018

A 31 years old female had been suffered from a bony swelling in right premolar region of the mandible for 12 years, recently grown rapidly. A fistula tract developed on the right anterior mandibular border, but the lesion was relatively asymptomatic. In the radiological examination, the tumor mass was irregularly mixed with radiolucent and radiopaque areas, forming multiple cystic spaces. Under the diagnosis of calcifying odontogenic cyst, the mandibular mass was resected and examined pathologically. After decalcification, the dissected tumor mass showed multiple small cystic spaces and calcifying fibrous tissue, mimicking calcifying odontogenic cyst or ameloblastoma. Histological observation showed many calcifying cementoid materials and ossifying trabeculae. The cystic spaces were turned out to be dilated vascular channels lined by endothelial cells, containing plasma fluid. However, the main lesion was diagnosed as cemento-ossifying fibroma (COF), and the atypical vascular channels were greatly dilated and gradually expanded the whole tumor mass. The present COF was examined through immunohistochemical (IHC) array, and investigated for tumor cell characteristics, exhibiting abnormal ossification and aneurysmal cystic changes. IHC array disclosed that the tumor cells grew progressively in the lack of apoptosis, and that they showed lower expression of RUNX2 than BMP-2, RANKL, and OPG, and increases of protein expression in $HIF-1{\alpha}$, VEGF-A, and CMG2. These data suggested that the reduced expression of RUNX2, osteoblast differentiation factor, be relevant to abnormal ossification of COF, and that the consistent expressions of angiogenesis factors be relevant to de novo angiogenesis in COF, subsequently resulted in aneurysmal cystic changes.