• 한국수의병리학회:학술대회논문집
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• 한국수의병리학회 2003년도 추계학술대회초록집
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• pp.56-56
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• 2003

An epulis(plural: epulides) is a benign neoplasm derived from the periodontal ligament or connective tissue. They occur commonly in dogs [1]. Epulides can be classified into four types on the basis of histologic appearance: Fibromatous, ossifying, acanthomatous and giant cell [2]. Here we report a case of epulis that shows all features of fibromatous, ossifying and giant cell epulides simultaneously. (omitted)

• 한국임상수의학회지
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• 제26권1호
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• pp.54-57
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• 2009

5개월령의 거세하지 않은 암컷 시베리안 허스키가 상악 병변의 평가를 위해 내원하였다. CBC, 혈청 화학, 요검사 소견에서 염증과 신부전이 지시되었다. 병변의 세포학 검사에서는 거대 다핵 세포들과 원형$\sim$방추형의 다향한 모양의 세포들이 개별적으로 탈락되거나 군집을 형성하였다. 두 종류의 세포들 모두 중등도의 핵 대소부동증과 세포부동증을 보였고, 뚜렷한 한 개의 핵소체 또는 여러 개의 작은 핵소체를 갖고 있었으며 성긴 염색질이었다. 조직병리학적 검사 결과, 상악과 비갑개는 전반적으로 확장되어 있었으며 결합조직에 의해 대체되어 있었으며 신장에서는 형성 이상이 관찰되었다. 이러한 결과를 바탕으로, 신장형성이상과 섬유화로 인한 섬유성 골형성장애로 진단되었다. 대증적인 처치에도 불구하고 환자의 상태는 악화되어 안락사 되었다.

• 고려인삼학회:학술대회논문집
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• 고려인삼학회 2002년도 학술대회지
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• pp.385-391
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• 2002

Panax ginseng (family- Araliaceae) is a native plant of Korea and has been used for past several years among oriental people. To evaluate the radioprotective potential of P. ginseng on the formation of giant cells in the testis of Swiss albino mice, the animals were divided into four groups: -(I)-Only vehicle was administered. (II)P. ginseng treated group: -The animals received 10 mg/kg body weight P. ginseng root extract (in DDW) i.p. continuously for 30 days. (III) Irradiated group: -The animals were exposed to 8 Gy gamma radiation at the dose rate of 1.69 Gy/min at the distance of 80 ems. (IV) Combined treatment group: -Animals were given P. ginseng extract for four days and on fourth day they were irradiated to 8 Gy gamma radiation after 30 minute of extract administration. The animals of these three groups were autopsied on day 1,3, 7, 14 and 30 days. In ginseng treated group, active spermatogenesis was observed without any toxic effect. Histopathological studies of irradiated group (II) revealed reduction in germ cell count, loss of sperms and formation of multinucleated giant cells on day 7th. These giant cells were formed by round nuclei of early or late spermatids. In combination group (III), although germinal epithelium was still disorganized with loss of cells in few tubules, but no giant cell formation was observed. In order to know the mechanism of radioprotection of ginseng, LPO and GSH were estimated. It was observed that pretreated irradiated animals showed inhibition of LPO and increase in GSH. Thus the present study suggests ginseng protects male gonads. This may be attributed to the inhibition of LPO and increase synthesis of GSH byginseng.

• 대한수의학회지
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• 제35권3호
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• pp.563-573
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• 1995

To know the effect of Ivermectin(IVM) toxicity in testis, histopathologic changes as well as clinical signs were observed in experimental animals including dogs by the subcutaneous injection with 3-50mg/kg of IVM. Clinically, it was observed to have depression and ataxia in all groups whereas tremor and coma in mice, rats and guinea pigs, coma in hamsters and rabbits, and tremor and salivation in dogs were shown. The clinical signs were different by the dosage of IVM, species and individuals in all animals. Susceptibility to IVM was most sensitive in dogs, especially in a Tosa dog and this was susceptible in mice, hamsters and rabbits, guinea pigs and rats in order. Microscopical observation revealed that the seminiferous tubules of testis had decreased thickness of germinal epithelium due to the necrosis and desquamation of the spermatids and spermatocytes. The progressive pattern by the times of administration showed vacuolar formation between the layer of spermatids and spermatogonia due to the marked necrosis of spermatocytes and the presence of multinucleated giant cells derived from spermatid throughout the seminiferous tubules of testis. Only a layer of spermatogonia, a few spermatogonia, and Sertoli cells wore observed with atrophied wavelike basement membrane in the seminiferous tubules of testis. Necrotic germinal cells, sloughed immature spermatids and spermatocytes were present in the lumen of epididymis and ductus deferens. Microscopical observation showed different susceptibility to IVM with clinical observation in which it was also most sensitive in dogs, especially in a Tosa dog and this was susceptible in rabbits and guinea pigs, hamsters, rats and mice in order. It was considered that IVM affects mainly spermatocyte or spermatid stage in the spermatogenesis and disturbs their developing beyond these stage.

• 한국수의병리학회지
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• 제3권1호
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• pp.27-33
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• 1999

Phosphamidon(PMD) is orgnophosphate insecticide broadly using in agriculture. In order to study PMD toxicity in the testis, histopathological change and apoptosis were assessed following acute and chronic oral administration in rats and chickens. In acute studies, histopathological changes included necrosis and desquamation of spermatogenic cells, multinucleated giant cells in the lumen of seminiferous tubules, and necrotic cells and the giant cells in the epididymal lumen. Atrophy of seminiferous tubule was seen in the chronic exposure with low doses. The toxic effects of PMD in chronic exposure including clinical signs and histopathological changes were more pronounced in chickens than rats. Apoptosis assessment was performed by TUNEL method and Hoechst staining. TUNEL-positive apoptotic cells were found in spermatocytes of seminiferous tubules, testicular apoptosis was more prominent following acute exposure than control and chronic exposure. Above mentioned result noticed that PMD causes apoptotic death and effects directly the spermatocytogenesis.

• Journal of Korean Neurosurgical Society
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• 제52권5호
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• pp.495-497
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• 2012

Isolated tuberculosis of the coccyx is extremely rare. A 35-year-old man presented with a 3-month history of coccygeal and gluteal pain. Computed tomography and magnetic resonance imaging revealed osseous destruction and a large enhancing mass involving the coccyx with anterior and posterior extension. Pathologic examination of the surgical specimen revealed necrosis, chronic granulomatous inflammation, and multinucleated giant cells consistent with tuberculosis. This case highlights the importance of considering tuberculosis as a diagnosis even though unusual sites are involved.

• Journal of Veterinary Science
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• 제25권1호
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• pp.14.1-14.5
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• 2024

An adult female ringed seal died suddenly and was subsequently examined for diagnostic purposes. The animal's lungs demonstrated mild non-collapsibility and multifocal white to yellow patches. Histopathological examination revealed multifocal pulmonary histiocytosis. Alveoli were filled with numerous foamy macrophages cytoplasm and scattered multinucleated giant cells containing cholesterol clefts. The foamy cytoplasm of the macrophages stained with oil red O stain. Further, lipid droplets within the cytoplasm were detected by electron microscopy. To the author's knowledge, this is the first case report describing the histochemical staining and electron microscopic findings associated with endogenous lipid pneumonia in ringed seal.

• 한국임상수의학회지
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• 제31권3호
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• pp.258-261
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• 2014

연구 시설에서 사육 중이던 4주령 수컷 돼지가 아무 전구 증상 없이 폐사된 상태로 발견되었다. 이 돼지는 이종 장기 이식 연구를 위하여 체세포 핵이식 후 대리모로부터 출산하였다. 핵 이식을 위한 난소는 연구시설 밖의 개인 양돈장에서 채취하였다. 병리조직학적으로 돼지의 심장에서는 림프구, 큰포식세포 및 다핵거대세포의 침윤, 심근 괴사 및 섬유화를 특징으로 하는 다병소성에서 연결성의 육아종성 심근염이 관찰되었다. 림프장기에서는 심한 림프구의 소실과 조직구 또는 다핵세포의 침윤을 보이고 있었다. 면역조직화학염색을 통하여 심장의 괴사된 심근세포, 큰포식세포 및 다핵거대세포와 림프 장기의 림프구소실 영역에서 큰포식세포 및 다핵세포에서 돼지 써코바이러스 2형(PCV-2)의 항원이 검출되었다. 유산 또는 사산된 돼지에서 PCV-2와 관련된 번식장애에서는 심근염이 자주 발생하는 상황이며, 이와 유사한 병변이 PCV-2에 감염된 본 증례의 4주령 돼지에서도 관찰되었다. 이 돼지에서 PCV-2의 감염은 양돈장에서 채취한 난소에 본 바이러스가 오염 또는 감염되어 발생한 것으로 사료된다.

• 대한세포병리학회지
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• 제6권2호
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• pp.156-162
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• 1995

Fine needle aspiration of the breast is an important diagnostic tool in malignant lesions, but is also useful in differentiation of inflammatory breast diseases mimicking carcinoma clinically and radiologically. Recently, the authors have experienced eight biopsy-proven cases of chronic inflammatory diseases of the breast, which consisted of 4 cases of duct ectasia, 2 cases of fat necrosis, and a case of tuberculous mastitis and granulomatous mastitis respectively. Their cytologic features mainly based on the components and the relative frequency of inflammatory cells were evaluated for differential diagnosis of chronic inflammatory breast diseases. The results are as follows; 1. In cases of duct ectasia, varying amount of neutrophils, mononuclear leukocytes, histiocytes and multinucleated giant cells were intermixed with benign epithelial cell clusters. 2 Abundant fat tissue fragments were diagnostic for fat necrosis. Histiocytes and mononuclear cells were main components but not rich, and neutrophils and giant cells were infrequently observed. 3. Characteristic granulomas composed of epithelioid cells, mononuclear leukocytes and Langhans' type giant cells and lymphocytic infiltrates were conspicuous in tuberculous mastitis, and occasionally neutrophils, necrotic materials and epithelial cell clusters were found 4. In granulomatous mastitis, epithelioid cell granulomas were also noted but numerous neutrophils and histiocytes were intermingled within or outside the granulomas.

• 대한소아치과학회지
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• 제28권2호
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• pp.310-315
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• 2001

신생아에서 흔히 발생하는 연조직 종양으로는 신생아의 구개 및 치은 낭종(palatal & gingival cyst of the newborn), 선천성 치은종(congenital epulis), 혈관종(hemangioma), 기형종(teratoma), 화농성 육아종 및 자극성 섬유종(pyogenic granuloma & irritation fibroma)이 있다. 이렇게 신생아의 치조제에서 발생한 연조직 종양은 대부분 외과적으로 절제하여 치료하며, 치료하지 않는 경우 흡인(aspiration)으로 인한 기도 폐쇄 및 호흡 곤란, 구강으로 수유시 불편감, 비강으로 수유시 구토가 불가능해 흡인폐렴(aspiration pneumonia) 유발 가능성이 있다. 본 증례는 신생아의 치조제에 발생한 연조직 종양으로, 외과적으로 절제하여 치료하였으며, 조직 검사 소견상 화농성 육아종 및 자극성 섬유종과 유사하였지만 다핵형 거대세포(multinucleated giant cells)가 관찰되었고 선천적으로 발생하였다는 점에서 차이가 있었다. 이 종물의 병리 기전은 아직까지 명확하지 않으며 어떤 특정 질환으로 포함시키는 데 문제점이 있으므로 이에 보고하는 바이다.