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        • KCI등재

          A Case of Uterine Adenocarcinoma in A Spayed Female Dog

          Ul Soo Choi(최을수) 한국임상수의학회 2013 한국임상수의학회지 Vol.30 No.1

          10세령 중성화된 페키니즈 견이 배뇨장애와 복부 팽대와 혈뇨 증상으로 내원하였다. 복부 방사선 촬영에서 상복부의 난원형 연조직 종괴가 발견되었으며 초음파 검사에서 액이 차 있고 종괴가 있는 낭으로 확인되었다. 탐색적 개복술을 통해 직경 4 cm 크기의 낭성 구조를 발견하였으며 적갈색의 액성 물질과 벽에 붙어 있는 직경 1.5 cm 크기의 원형 종괴를 확인하고 수술적으로 제거하였다. 절개한 종괴의 날인 도말 표본에 대한 세포학적 검사 결과 여러가지 악성 조건을 만족하는 선암종 세포가 다수 관찰되었으며, 조직병리 검사에서 확진되었다. 환자는 수술 회복되어 퇴원하였으며 재발증상의 징후 없이 지내다가 술 후1년 후 증상이 재발되어 내원하였고 종괴가 재발되었음을 확인하고 종괴 제거를 위한 2차 수술을 실시하였다. 환자는 퇴원 후 2개월째에 다시 내원하였으며 종괴가 재발되고 폐 전이가 발생한 것을 확인할 수 있었다. 환자는 이후 3개월을 더 생존하다가 폐사하였다. A 10-year-old spayed female Pekinese dog was referred to veterinary medical teaching hospital of Chonbuk National University with signs of dysuria, abdominal distension, and hematuria. Abdominal radiography revealed a large oval soft tissue mass in cranial abdomen, which was a fluid filled cyst containing a round mass by ultrasonography. Exploratory laparatomy found a 4 cm cyst containing reddish brown fluid and a 1.5 cm small round mass attached to the wall. Cytological impression of the imprint smears of the resected mass were highly malignant adenocarcinoma, which was confirmed by histopathology of the mass and the cyst. After the surgery the patient recovered uneventfully and discharged. The tumor recurred about one year after surgery, and second surgery performed at the owner’s request. However the tumor recurred in two months with metastatic disease in the lung and the dog survived three more months after surgery.

        • KCI등재

          개에서 Norepinephrine 분비 갈색세포종 증례1

          최을수(Ul-Soo Choi),김동훈(Dong-Hoon Kim),김현욱(Hyun-Wook Kim),최지혜(Ji-Hye Choi),장재영(Jae-Young Jang) 한국임상수의학회 2009 한국임상수의학회지 Vol.26 No.3

          An-11-year-old male Shih-tzu was admitted to emergency care unit of Haemaru Referral Animal Hospital with signs of dyspnea, anuria and depression. There were abnormalities on complete blood count and serum chemistry included leukocytosis with mild left shift, mild azotemia, and increased ALT activity. Fluid therapy (0.9% saline, 40 ㎖/hr) and antibiotics were immediately initiated. The patient began to vomit after 5 hours’ rest and pale mucous membrane, bradycardia, and hypertension were noted. Abdominal ultrasonography revealed enlarged left adrenal gland and thrombus in caudal vena cava (CVC). Result of ACTH stimulation test was normal. Cytology of ultrasound-guided FNA smears showed numerous naked nuclei, which was suggestive of adrenal medullar tumor. Concentrations of 24 hour urine metanephrine and normetanephrine was moderately increased compared to those of a control dog. Adrenal mass was surgically removed, and biopsy of the CVC mass was obtained. After surgery the patient began to recover but the dog acutely developed cardiopulmonary arrest and died. On histopathology the adrenal mass and biopsy of the CVC mass were consistent with pheochromocytoma. On electron microscopic view norepinephrine specific granules were found in the cytoplasm of tumor cells.

        • KCI등재

          A Case of Nasal Cryptococcosis in a Domestic Shorthair Cat

          Jin Soo Lee(이진수),Hyun Wook Kim(김현욱),Ul Soo Choi(최을수) 한국임상수의학회 2013 한국임상수의학회지 Vol.30 No.2

          8세 중성화 암컷 고양이가 만성 비강 삼출과 호흡곤란으로 내원하였다. 신체검사에서 오른쪽 비강의 출혈농성 삼출이 관찰되었고, 흡기성 호흡곤란과 코골기 증상, 종대된 오른쪽 하악 림프절이 확인되었다. 전혈검사와 혈청화학 검사에서 미약하게 증가한 헤마토크리트 값과 고글로불린혈증이 나타났으며, 혈청학적 및 PCR 기법을 이용한FeLV, FIV, Chlamydophila felis, Feline Calicivirus, Herpesvirus, Bordetella, Mycoplasma felis, H1N1 influenza 검사에서는 모두 음성이었다. 방사선 검사에서는 오른쪽 비강의 연조직 밀도 상승이 관찰되었고, CT촬영에서는 비중격의 위축과 골 용해가 확인되었다. 추가 검사로 실시한 하악 림프절 세포학 검사에서는 다양한 두께의 염색이 안 되는 협막을 갖는 곰팡이가 관찰되었으며, narrow based budding을 보이는 곰팡이도 관찰되어 크립토코쿠스 감염증으로 잠정진단하였다. 혈청학적 검사에서 크립토코쿠스 항원가는 1 : 32,768로 매우 높게 나왔다. 검사결과에 기초해서 곰팡이 감염치료를 위해 fluconazole, clindamycin, tocopherol투여를 실시했으며 약물 투여 후 3일 이내에 환자의 증상은 극적으로 개선되었다. 장기적인 관찰과 추가 항원역가 검사를 실시하고자 하였으나 환자는 증상 개선 후 퇴원하여 재 내원하지 않았다. An 8-year-old spayed female domestic shorthair cat was presented with a chief complaint of chronic nasal discharge and dyspnea. Physical examination revealed pyohemorrhagic nasal discharge, inspiratory dyspnea and stertor, and an enlarged right mandibular lymph node. Abnormalities of blood works and serum chemistry included mildly increased hematocrit, and globulin concentration. Serologic tests for FeLV and FIV, and a panel of polymerase chain reaction tests for Chlamydophila felis, Feline Calicivirus, Herpesvirus, Bordetella, Mycoplasma felis, and H1N1 influenza was all negative. Only radiographic finding showed increasing soft tissue density in the right nasal cavity and computed tomography disclosed soft tissue/fluid opacification in the right nasal cavity, paranasal sinus, and pharyinx along with slight deviation to the right of the osseous nasal septum. Focal lysis of ventral nasal septum was also suspected in CT scan. Cytological evaluation of fine needle aspirate smears of the enlarged mandibular lymph nodes revealed numerous fungal yeasts having variably thick capsule both extracellularly and intracellularly with low numbers of macrophages. Some yeasts showed narrow based budding, which was a consistent finding with Cryptococcus organisms. Serum protein electrophoresis was a polyclonal consistent with chronic infection and serum was submitted for a fungal serology panel test. In serologic tests Cryptococcus antigen titer was 1 : 32,768. In vitro culture was unsuccessful. Treatment was initiated with administration of fluconazole, clindamycin, and tocopherol. Clinical signs resolved within 3 days after the initial treatment. The cat was discharged and scheduled for periodic evaluation and continued therapy, but was lost to follow-up thereafter.

        • KCI등재

          다발성 골 융해를 동반한 림프종 증례

          최지혜(Jihye Choi),이진수(Jinsoo Lee),김현욱(Hyunwook Kim),최을수(Ul Soo Choi) 한국임상수의학회 2012 한국임상수의학회지 Vol.29 No.1

          A 1.5-year-old male Golden Retriever was presented with worsening lameness of two month duration. Abnomral findings of blood works and serum chemistry included anemia, thrombocytopenia, hypercalcemia and hyperglobulinemia. Radiography revealed osteolysis of polyostotic regions including right femur and tibia, bilateral ilium, and spinous processes from the 13th thoracic vertebra to 5th lumbar vertebra. Enlarged multiple lymph nodes and mixed echo pattern of muscular region ventral to vertebra were observed with ultrasonography. Because concentrations of both parathyroid hormone and parathyroid hormone related peptide were all within reference ranges, humoral hypercalcemia by tumor was ruled out and extensive osteolysis was considered as the cause of hypercalcemia. Based on radiographic and ultrasonographic study, lymphoma, multiple myeloma and osteomyelitis were included in differential diagnosis. Fungal serologic test was negative. Monoclonal gammopathy was not found on serum protein electrophoresis. Cytological and histopathological examinations of the lytic lesions revealed neoplastic lymphoid proliferation, and B cell type clonal expansion was detected by polymerase chain reaction for the antigen receptor gene rearrangement. The case was diagnosed as B cell lymphoma involving polyostotic regions.

        • KCI등재

          Cytologic Aspects of Oral Squamous Cell Carcinoma in a Captive African Hedgehog (Altelerix albiventris)

          Hyang Mi Cho(조향미),Ul Soo Choi(최을수),Hae Beom Lee(이해범) 한국임상수의학회 2013 한국임상수의학회지 Vol.30 No.3

          3세령의 암컷 고슴도치(Atelerix albiventris)가 심하게 종대된 하악 병변의 평가를 위해 내원하였다. 세포학적 검사를 위해 세침흡인을 실시하였으며, 도말표본을 제작 후 로마노프스키식 염색으로 염색하였다. 세포학적 검사에서 원형을 포함한 다양한 모양의 편평상피세포가 주로 관찰되었으며, 일부 세포는 유사 방추 모양 또는 매우 길쭉한 모양을 띄고 있었다. 세포학적 소견은 편평상피암종이었으며, 조직검사를 위해 수술적으로 제거하였다. 조직병리상 악성 편평상피암종세포들이 중등도의 콜라겐과 방추형 섬유모세포로 이루어진 간질에 둘러싸여 있었으며, 인접한 골격근과골조직으로의 침습이 관찰되었다. 종양세포는 중등도의 세포 대소부동과 핵 대소부동을 보였으며, 중등도 이상의 각화상태를 보였다. 종양의 중심부에서는 극세포해리가 있었으며 림프형질세포 및 호중구성 염증소견이 동반되었다. 유사분열상은 고배율에서 2-3개가 관찰되었다. 이와 같은 소견에 기초해서 편평상피암종으로 진단하였으며, 보호자는 종괴의 수술적 제거 후 더이상의 치료를 원치 않아 바로 퇴원하였다. 환자는 추가 처치 없이 3개월 생존 후 폐사하였다. A 3-year-old intact female hedgehog (Atelerix albiventris) was presented for evaluation of mandibular swelling. Fine needle aspiration of swollen mandibular was performed and smears were stained with Romanowsky type stain for cytological evaluation. Smears were highly cellular with predominance of variably shaped keratinized or non keratinized squamous cells with low numbers of spindloid to abnormally elongated cells. Cytologic impression was squamous cell carcinoma. The mass was surgically removed for histological examination. Microscopically tortuous and anastomosing delicate to broad pegs and nests of neoplastic squamous epithelial cells were supported by a moderate collagenous and spindloid fibroblast stroma. Tumor cells had moderate anisocytosis and mild anisokaryosis and range from moderately to well keratinized, with areas of intratumoral acantholysis accompanied by mixed stromal lymphoplasmacytic, neutrophilic inflammation. The mitotic index is 2-3 per high-power field. Tumor cells were expanding the subcutis subjacent to the layer of skeletal muscle and incorporating the osseous tissue fragments. The final diagnosis was squamous cell carcinoma. The patient survived three months after surgery without any further medical treatments.

        • KCI등재

          Cytologic Aspect of Fibrous Osteodystrophy in a Juvenile Siberian Husky

          Hyang Jee(지향),Ul-Soo Choi(최을수),Jean-Sebastien Latouche,Dong-Ha Bang(방동하),Dae-Yong Kim(김대용),Cheol-Yong Hwang(황철용),Hwa-Young Youn(윤화영) 한국임상수의학회 2009 한국임상수의학회지 Vol.26 No.1

          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~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. A 5-month-old intact female Siberian Husky dog was presented for evaluation of severely enlarged maxilla. Abnormalities in CBC, serum chemistry and urinalysis indicated purulent inflammation and renal failure. Cytologic examination of the swollen maxilla showed a mixed population of multinucleated giant cells and round to polygonal to spindle shaped cells either individualized or aggregated. Both type of cells showed moderate anisokaryosis, and anisocytosis, prominent nucleolus or multiple nucleoli, and coarse chromatin. On histopathology maxilla and turbinate were diffusely expanded and replaced by variably dense fibrous connective tissue, and the kidneys showed changes consistent with renal dysplasia. Based on these findings, the diagnosis of fibrous osteodystrophy due to renal dysplasia and fibrosis was made. Despite the supportive care, the dog continued to decline and was euthanized.

        • KCI등재

          개의 췌장염에 의한 만성 화농성 지방조직염증

          최지혜(Ji-Hye Choi),김현욱(Hyun-Wook Kim),장재영(Jae-Young Jang),서지민(Ji-Min Seo),이민정(Min-Jung Lee),최을수(Ul-Soo Choi),김미은(Mi-Eun Kim),윤정희(Jung-Hee Yoon) 한국임상수의학회 2009 한국임상수의학회지 Vol.26 No.1

          A Maltese was presented with a subcutaneous mass at right flank, depression and hyperthermia. Ultrasonography revealed a hypoechoic mass with hyperechoic foci, a defect of abdominal wall and peritonitis. In cytology, fat necrosis was found. This dog was diagnosed as chronic suppurative steatitis secondary to pancreatitis and pancreatic herniation through surgery and histopathologic examination. Steatitis is recurrent inflammation and necrosis of adipose tissue. Also steatitis associated with pancreatic diseases such as pancreatitis and pancreatic tumor was reported and direct fat necrosis by pancreatic enzyme was supposed as the etiology. Steatitis secondary to pancreatitis was rarely reported in dogs and there was difficulty in diagnosis and treatment. This case has a limitation that pancreatitis was not diagnosed as underlying cause to steatitis before surgery. However, a defect of abdominal wall and peritonitis were observed on ultrasonography. Good prognosis could be achieved through prompt surgery and medical treatment.

        • KCI등재
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