• 제목/요약/키워드: histopathological characteristics

검색결과 144건 처리시간 0.024초

시츄견에서 위유문부에서 발생한 위선종 증례 (Gastric Adenoma in the Pyloric Outflow Tract of a Shih-tzu Dog)

  • 이희천;권도형;문종현;김영기;조규완;강병택;임금순;서정향;정동인
    • 한국임상수의학회지
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    • 제29권2호
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    • pp.169-172
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    • 2012
  • 12살의 중성화된 수컷 시츄견이 구토, 식욕부전, 체중감소의 증상으로 내원하였다. 병력청취, 혈액검사, 방사선검사, 초음파검사, 내시경검사가 진단을 위해 시행되었다. 병력청취에 따르면, 환자는 몇 주 전부터 만성신부전증 치료를 받고 있었다. 혈청화학검사에서 환자는 고질소혈증을 보였고 복부 방사선검사와 초음파검사에서 위의 유문부 종괴를 확인하였다. 위 내시경 검사에서는 유문방의 증식성 종괴가 관찰되었다. 내시경적 생검 후 조직병리학적 검사결과는 위선종이였고 이 결과에 따라 수술적 처치(유문 배출부위의 절제와 Y-U 유문성형술)를 실시하였다. 수술 후 두번째 조직병리학적 검사결과 또한 위선종이였다. 술 후, 환자는 점차 호전되었고, 임상증상은 술 후 3주 후 사라졌다. 환자의 상태는 현재까지 잘 유지되고 있다.

Studies on in-vivo Wound Healing Activity of Leaf Extract of Hypericum mysorense with Different Wound Model in Rats

  • Mukherjee, Pulok K.;Suresh, B.
    • Natural Product Sciences
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    • 제6권2호
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    • pp.73-78
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    • 2000
  • The wound healing potential of the methanol extract of Hypericum mysorense Wight and Arn. Leaves (Family: Hypericaceae) was evaluated on different experimental models of wounds in rats. The methanol extract of leaves of Hypericum mysorense (HMM), in the form of ointment in two different concentrations (5% and 10% w/w ointment of aerial part extract in simple ointment base) was evaluated for wound healing potential in excision wound model and incision wound model in rats. Both the concentrations of the methanol extract ointment showed significant responses in both the wound types tested when compared with the control group. The effect produced by the extract ointment, in terms of wound contracting ability, wound closure time, regeneration of tissues at wound site, tensile strength of the wound and histopathological characteristics were comparable to those of a standard drug Nitrofurazone ointment.

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종격동 종양의 외과적 고찰 (Surgical Analysis of Mediastinal Tumor)

  • 이석재
    • Journal of Chest Surgery
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    • 제26권5호
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    • pp.395-402
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    • 1993
  • For the purpose of evaluation of clinical characteristics and histopathological properties in mediastinal tumor, and to provide the guidelines of surgical management of mediastinal tumor,238 patients with mediastinal tumors treated during the period from January 1983 to December 1991 were reviewed at Seoul National University Hospital. There were 106 males & 132 females, and their ages ranged from 3 months to 73 years, with average 33.6 years. The most frequently encountered tumor site was anterosuperior mediastinum followed by posterior, and middle mediastinum. In the pathological viewpoint, thymoma was the most frequent type followed by neurogenic tumor. 81% of the tumor were benign and 19% were malignant. Half of the malignant tumors were neurogenic tumors. Malignancy rate was high in pediatric patients compared to adults as 40% and 19% respectively. 65% of patients were asymptomatic at diagnosis.There was no operative mortality. Post operative complications were occurred in 35 cases. Most frequent complications were adjacent peripheral nerve injuries. But other usual operative complications, such as bleeding, chylothorax, infection, were relatively rare.

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Olfactory Groove Schwannoma

  • Prak, Ji-Hwan;Kim, Tae-Young;Park, Jong-Tae;Kim, Jong-Moon
    • Journal of Korean Neurosurgical Society
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    • 제39권2호
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    • pp.156-158
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    • 2006
  • We present a case of olfactory schwannoma in a 16-year-old boy with headache and diplopia. Brain computed tomography[CT] scan and magnetic resonance[MR] imaging showed a huge mass in the subfrontal area resembling an olfactory groove meningioma. We performed a bifrontal craniotomy and found out the mass was attached to cribriform plate but was not related to the olfactory tract or bulb. The histopathological diagnosis of schwannoma was confirmed by immunohistochemical staining for S-100, vimentin and others. We describe the clinical manifestations, radiological characteristics, histological aspects, and differential diagnosis of this tumor with literature review.

말티즈 견의 두개골에서 발생한 다엽성 종양 (Multilobular Tumor of Skull in a Maltese Dog)

  • 양철호;강민희;김승곤
    • 한국임상수의학회지
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    • 제33권1호
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    • pp.48-50
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    • 2016
  • A 10-year-old spayed female Maltese dog weighting 3.4 kg was referred with growing firm mass at the parietal bone region from 2 weeks ago. A firm, partially calcified mass ($1.9cm{\times}4.4cm$) was palpated in the region of the frontal and parietal skulls but had no neurologic signs. Computed tomography (CT) characteristics of mass were round to oval shape, fine granular appearance, and well defined margins. Mass involving the calvarial bones had invasion into the cranial vault with a significant intracranial portion. Histologically, the tumor was characterized by the presence of multiple lobules containing osteoid or cartilage in the center that were separated by anastomosing fibrous septae. This is case report described the clinical and histopathological features of multilobular tumor of skull in a Maltese dog.

종격동 종양 및 낭포 (Mediastinal tumors and cysts)

  • 박이태
    • Journal of Chest Surgery
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    • 제16권4호
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    • pp.563-570
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    • 1983
  • For the purpose of evaluation of clinical characteristics and histopathological properties in mediastinal tumors, 130 patients with mediastinal tumors treated during the period from 1958 to 1982 were reviewed. Cancers of unidentified primary site of origin, nonneoplastic lesions and the cases with clinical diagnosis only were excluded from this report. There were 69 males and 61 females, and their ages ranged from 2 months to 66 years, with the average age of 31.3 years. 19.2% of patients were younger than 15 years of age. The most frequently encountered tumors were teratodermoids, followed by neurogenic tumors, thymic tumors, benign cysts, malignant lymphomas and miscellaneous tumors in order of decreasing frequency. 75.4% of the mediastinal tumors were benign and 24.6% were malignant. 16.6% of the patients were asymptomatic at admission. There were 2 postoperative deaths with 1.7% of operative mortality rate, and 2 other deaths who were not operated upon, showing overall hospital mortality rate of 3.1%. Postoperative follow up was possible in 84 cases, and there were 4 late deaths.

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Neurilemmoma in the floor of the mouth: a case report

  • Shim, Seung-Kee;Myoung, Hoon
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • 제42권1호
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    • pp.60-64
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    • 2016
  • Neurilemmomas are well-encapsulated, benign, slow-growing tumors originating from Schwann cells of the nerve sheath surrounding cranial, peripheral, or autonomic nerves. Intraoral neurilemmomas are relatively rare and have a wide variety of morphologic and radiologic features. This makes differential diagnosis difficult, and only histopathological features can lead to a definitive neurilemmoma diagnosis. In this report, we present the case of a 30-year-old woman whose chief complaint was a solitary, nodular mass on the right floor of the mouth. After computed tomography and magnetic resonance imaging, we performed an incisional biopsy that showed the typical characteristics of a neurilemmoma. The mass was removed completely through an intraoral surgical approach. Despite losing a portion of the lingual nerve, the patient did not complain of any specific discomfort. Wound healing was uneventful and there were no signs or symptoms of recurrence.

Primary Transitional Cell Carcinoma of the Renal Pelvis in a Dog

  • Park, Ju-yong;Kang, Min-Hee
    • 한국임상수의학회지
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    • 제37권4호
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    • pp.204-207
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    • 2020
  • A 12-year-old dog was evaluated for depression and anorexia. The results of complete blood count and serum biochemistry were normal. Survey radiographs revealed markedly enlarged right kidney and abdominal ultrasound showed a renomegaly and hydronephrosis filled with mixed echogenic fluid. Primary renal tumor was suspected in this dog. Nephroureterectomy of the right kidney was performed, and no regional metastases have been identified. Transitional cell carcinoma (TCC) arising from renal pelvis accompanied hydronephrosis of the right kidney was diagnosed on histology. TCC usually affects trigone of the bladder, and renal origin of TCC is a very rare finding in dogs. This is the first case report to present the clinical features, diagnostic imaging findings and histopathological characteristics of a dog with TCC originating from the renal pelvis in Korea.

돼지의 Anisakis형충증(型蟲症)에 관(關)한 병리학적(病理學的) 연구(硏究) (Pathological Studies on the Anisakiasis in Swine)

  • 강문일;임봉호;이정길
    • 대한수의학회지
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    • 제21권1호
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    • pp.7-10
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    • 1981
  • During the studies on the esophagogastric ulcers in swine, Anisakis type larvae were found associated with stomach lesions. 1. Of the 1,531 pigs examined, 11(0.7%) were infested with the parasite in the stomach. 2. The parasite was identified as Anisakis type I larvae, according to the morphological characteristics. 3. On gross examination, the parasites were seen penetrating gastric mucosa, resulting in hemorrhagic ulcers. 4. Main histopathological features were edema, massive eosinophilic infiltrations around the parasite, necrosis and perivascular eosinophilic accumulations in the submucosa.

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Characteristics of Cerebral Microbleeds

  • Lee, Juyoun;Sohn, Eun Hee;Oh, Eungseok;Lee, Ae Young
    • 대한치매학회지
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    • 제17권3호
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    • pp.73-82
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    • 2018
  • Cerebral microbleeds (CMBs) are increasingly recognized neuroimaging findings, occurring with cerebrovascular disease, dementia, and aging. CMBs are associated with subsequent hemorrhagic and ischemic stroke, and also with an increased risk of cognitive deterioration and dementia. They occur in the setting of impaired small vessel integrity due to hypertension or cerebral amyloid angiopathy. This review summarizes the concepts, cause or risk factors, histopathological mechanisms, and clinical consequences of CMBs.