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RISS 인기검색어
- 검색키워드
- 저자 : 이선규 ( Sun Gue Lee ) (검색결과 2 건)
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말초신경초 종양의 특징을 지닌 개 신경종의 조직병리학적 및 면역조직화학적 진단
이선규 ( Sun-gue Lee ),이재하 ( Jae-ha Lee ),한정희 ( Jeong-hee Han ) 한국동물위생학회(구 한국가축위생학회) 2018 韓國家畜衛生學會誌 Vol.41 No.1
Canine peripheral nerve sheath tumors (PNSTs) are spindle cell tumors that arise from Schwann cells, perineural cells, fibroblasts or all of them. Based on the morphology and biologic behavior, PNSTs are divided into benign PNST (BPNST) and malignant PNST (MPNST) forms. The aim of this study is to diagnose the two cases of neoplastic tissue samples with features of PNSTs by the histopathology and immunohistochemistry. The study was performed using two specimens from small animal clinic. The first case, A was a mass, 3∼4 cm in diameter, extruded from vaginal mucosa of 10-year-old spayed female mixed-breed dog. And the second case, B was a subcutaneous mass, 1.5 cm in diameter, which is originated from right hind leg of 9-year-old castrated male mixed-breed dog. Two cases were stained with hematoxylin and eosin (H&E) for histopathological examination. And also immunohistochemistry (IHC) was performed by the avidin-biotin peroxidase complex (ABC) method with antibodies specific for the following proteins: S-100 protein, smooth muscle actin (SMA) and epidermal growth factor receptor (EGFR). In results, Antoni B schwannoma pattern characterized by pleomorphic, round and fusiform polygonal cells was seen in A. In B, Antoni A pattern, densely packed spindle cells arranged in interlacing bundles was seen in addition to Antoni B pattern. In IHC, cytoplasms of neoplastic cells were diffusely labeled for S-100 expression in A and B. For SMA, both A and B show negative expression. And for EGFR, A shows negative expression but B shows partially positive expression in areas of Antoni B schwannoma pattern. The histopathologic features of two cases coupled with the S-100 immunoreactivity led to a diagnosis of PNST. For SMA, both A and B show negative expression. The diagnosis of A will be a BPNST with the negative result and B will be a MPNST with the positive result for EGFR.
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국내 도축돈의 위병변과 Helicobacter suis의 검출과의 상관관계
이재하 ( Jae Ha Lee ),이선규 ( Sun Gue Lee ),한정희 ( Jeong Hee Han ) 한국동물위생학회(구 한국가축위생학회) 2018 韓國家畜衛生學會誌 Vol.41 No.3
Helicobacter suis is a gram negative bacterium and colonizes in porcine stomach. It causes gastric diseases in the stomach and plays a significant role in daily weight gains in pigs. Recent studies about one of potential sources of human gastric diseases. Therefore, this study was conducted to compare histopathological lesions and molecular detection of Helicobacter suis in the pyloric mucosa of porcine stomachs transferred from slaughterhouses, based on gross and histological examinations and a PCR assay. A total 90 stomach samples were investigated to record gastric lesion scores by characteristic gastric lesions, followed by routine H & E and Warthin-Starry silver staining to detect Helicobacter-like organisms. For PCR assay, H. suis specific primers and conditions are used. Sixty-one samples (67.8%) showed gross gastric lesions, of which 38 samples (40.2%) presented grade 1, 12 samples (13.3%) presented grade 2, and 11 samples (12.2%) presented grade 3, respectively. In Warthin-Starry silver stain, Helicobacter-like organisms were detected from 11 samples (12.2%) with 4 samples (4.4%) for grade 0, 5 samples (5.6%) for grade 1, 1 sample (1.1%) for grade 2 and 1 sample (1.1%) for grade 3, respectively. The PCR resulted positive in 37 samples (41.1%) with 14 samples (15.6%) for grade 0, 14 samples (15.6%) for grade 1, 3 samples (3.3%) for grade 2 and 6 samples (6.7%) for grade 3, respectively. Positive samples for both examinations were 5 samples (5.6%). The result suggested that it should be considered as one of factors causing a gastric disease in pigs. Also, it could be acknowledged to research fundamental aspects of Helicobacter-induced gastritis in human as an animal model.
ScienceON
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