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Merkel 세포 암종의 동결절편진단에 있어 접착도말의 유용성 -1예 보고-
유창영,이연수,박주완,강창석,심상인,이교영,박경신,Yoo, Chang-Young,Lee, Youn-Soo,Park, Joo-Wan,Chang, Suk-Kang,Shim, Sang-In,Lee, Kyo-Young,Park, Gyeong-Sin 대한세포병리학회 2006 대한세포병리학회지 Vol.17 No.2
Merkel cell carcinoma (MCC), a rare primary cutaneous small cell neuroendocrine carcinoma, is a tumor with distinct cytological features. In many cases, immunohistochemical staining (IHC) is required for the differentiation from other small round cell malignancies. Here we describe the cytological findings of Merkel cell carcinoma; these findings contributed to the diagnosis prior to performing IHC. A lower eyelid mass was excised and submitted for frozen section diagnosis. The frozen section diagnosis was consistent with a malignancy, but the more specific diagnosis was limited by the lack of specific histological features. Touch imprint cytology revealed a high cellularity with loosely cohesive small to large sized cells. The tumor cells showed hyperchromatic nuclei with fine chromatin and inconspicuous nucleoli, and thin-rimmed-cytoplasm including the characteristic eosinophilic button-like paranuclear inclusion, previously described as a pathognomonic cytological finding of MCC; this was not found in the H&E frozen section. In conclusion, we suggest that the touch imprint cytology may help in the differential diagnosis of small round cell neoplasms prior to performing IHC especially in frozen section diagnosis.
지방경화성 점액섬유종(Liposclerosing myxofibrous tumor) - 1예 보고 -
유창영,정은선,박경신,이연수,지원희,강창석,이교영,Yoo, Chang-Young,Jung, Eun-Sun,Park, Gyeong-Sin,Lee, Youn-Soo,Jee, Won-Hee,Kang, Chang-Suk,Lee, Kyo-Young 대한근골격종양학회 2006 대한골관절종양학회지 Vol.12 No.2
지방경화성 점액섬유종은 섬유골을 형성하는 양성 골질환으로 대퇴골 원위부의 전자간 부위에서 주로 발생한다. 이 질환은 지방종, 지방황색종, 점액종, 지방섬유종, 섬유형성이상 유사 병변, 낭의 형성, 지방괴사, 허혈성 골화 또는 연골 형성 등 다양한 조직학적 소견이 뒤섞여 있는 특징을 보인다. 비록 일부에서는 지방경화성 점액섬유종을 섬유형성이상이나 골내 지방종 또는 기타 다른 양성 병변의 한 변형으로 생각하기도 하지만, 최근에는 지방경화성 점액섬유종을 하나의 독립된 질환으로 인식하려는 경향이 강하다. 저자들은 48세 여자 환자의 대퇴골 전자간 부위에서 지방경화성 점액섬유종의 전형적인 방사선학적 그리고 조직학적 소견을 보이는 증례를 경험하였다. 방사선학적으로 이 병변은 방사선 투과성 및 젖빛 유리와 같은 특성을 보였고 주변은 경화성 골조직으로 싸여 있었다. 조직학적으로는 점액조직, 지방종 그리고 섬유형성이상 유사 조직이 주류를 이루었다. Liposclerosing myxofibrous tumor (LSMFT) is a fibro-osseous lesion of the bone with a marked predilection for the intertrochanteric region of the proximal femur. It is characterized by a complex mixture of histological elements including fibrous dysplasia-like features, myxofibrous tissue, lipomatous area, ischemic ossification, xanthoma cells and pseudo-Paget's bone. Though some consider LSMFT as a variant of the fibrous dysplasia, intraosseous lipoma, or other benign osseous lesions, recently LSMFT is emerged as a genuine clinicopathologic entity. We experienced a 48-year female patient with typical histologic and radiologic findings of LSMFT. It was located at the intertrochanteric area of the femur. Radiologically, the lesion was radiolucent and ground-glass appearance with sclerotic rim in the plain film and magnetic resonance imaging. Histologically, myxofibrous tissue, lipomatous area and fibrous dysplasia-like features were predominant findings.
정주원,유창영,정대영,허훈,전해명,Chyung, Ju-Won,Yoo, Chang-Young,Cheung, Dae-Young,Hur, Hoon,Jeon, Hae-Myung 대한위암학회 2009 대한위암학회지 Vol.9 No.1
위장관 칸디다증은 대개는 면역성이 저하된 경우에 기회 감염으로 발현되는 것이 일반적이다. 위장관 칸디다증 중식도 칸디다증이 가장 많은 빈도를 차지하고 있고 주로 면역기능이 억제된 환자에서 잘 발생하지만 드물게 건강한 성인에서도 보고된다. 현재까지는 양성 위궤양에 병발된 위장관 칸디다증이 흔히 보고되었지만 위선암에서 발견된 칸디다증은 비교적 드물다. 저자들은 속쓰림과 소화불량을 주소로 내원한 72세 여자환자에서 수술전 위선암과 칸디다증으로 진단되어 fluconazole을 경구투여를 통하여 칸디다증을 치료한 후 위전절제술을 시행한 증례를 경험하였다. 본 증례의 경험과 문헌 검색을 통하여, 저자들은 위암 수술 전 위암과 함께 위 칸디다증을 진단받은 환자에 대하여 칸디다에 대한 약물 치료 후 수술을 권유하는 바이다. Most gastric candida infections have been reported in immune-insufficient patients with peptic ulcer, but there have been few reports on gastric candidiasis with malignant ulcer in the stomach. We experienced a case of candida infection with gastric carcinoma in a 72-year-old female with diabetic mellitus. The endoscopic view showed multiple whitish necrotic plaques with a huge ulcer in the body of the stomach. The pathologic findings showed that budding yeast and pseudohyphae had infiltrated through the ulcerated stomach wall and the stomach wall contained tubular adenocarcinoma. After treatment with Fluconazole medication for 14 days, the patient underwent total gastrectomy along with D2 lymph node dissection. For the final pathologic results, there was no evidence of any remnant candidiasis, and the patient was discharged without specific complications. Through our experience and with reviewing articles about gastric candidiasis, we recommend that the gastric candidiasis that is accompanied with gastric malignancy should be treated before administering definite treatments for the gastric cancer.
유승찬,유재기,유창영,Lee Seung Chan,Yoo Jae Ki,Yoo Chang Young 한국응용곤충학회 1970 한국식물보호학회지 Vol.9 No.2
The present further survey is carried out to clarify the unidentified kinds of the fruit sucking moths and these damages at Suwon and Jinju fruit growing areas, in order to set up the basis of the control for the harmful moths. It was known that 10 species be recorded up to 1968 11 and, in addition, identified 4 species in 1969, such as Apatele rumicis oriens S., Leucania separate W., Scoliopteryx libatrix L. and Anomis flava F. of the fruit sucking moths in Korea. The damage ratio ib percentage of the noxious moths if $5.1\%$ on grape in Suwon and $11.8\%$ on Pears in Jinju in 1969, although it was $8.9\%$ in Suwon and 3.4\%$ in Jinju in 1968. 과실흡아류의 종류와 피해를 조사한 결과 1968년에는 우묵밤나방등 밤나밤과의 7속 10종이 채집분류되었으며 1969년에는 배칼무늬나방(Apatele rumicis oriens S.) 멸강나방(Leucania separata W), 톱니뭉뚝나방 (Scoliopteryx libatrix L.) 및 목화밤나방(Anomis flava flava F.)등의 4종이 조사추가되었다. 과실흡아류의 피해는 지역에 따라 다를 뿐만 아니라 품종에 따라서도 다르다. 수원지방의 포도에 대한 평균 피해율은 $5.1\%$에 비하여 1968년에는 $8.9\%$의 높 피해율이었으며 진주지방의 배에 대해서는 $11.8\%$에 비하여 1968년에는 $3.4\%$의 낮은 피해율을 보였다.
김문석 ( Moon Seok Kim ),유창영 ( Chang Young Yoo ),박찬순 ( Chan Soon Park ),이상원 ( Sang Won Lee ),양승호 ( Seung Ho Yang ) 대한뇌종양학회·대한신경종양학회·대한소아뇌종양학회 2012 대한뇌종양학회지 Vol.11 No.1
Ectopic pituitary adenomas are relatively rare tumors. We present a case of ectopic pituitary adenoma occurring in the sphenoid sinus. A 64-year-old woman with severe headache was referred to our hospital. She had normal pituitary functions. Magnetic resonance imaging (MRI) showed a tumor in the sphenoid sinus with an extension to clival regions. No connection between the normal pituitary gland and tumor was observed. Using an endonasal-transsphenoidal approach assisted with neuro-endoscopy, Total removal of the tumor was achieved. Pituitary dura was intact, although sellar floor was fragile and clival bone was destructed. Histopathological analysis was consistent with pituitary adenoma. As demonstrated by our case report, differential diagnosis of a tumor occurring in the sphenoid sinus could include the existence of an ectopic pituitary adenoma.
이윤경 ( Yoon Kyung Lee ),유창영 ( Chang Young Yoo ),이귀세라 ( Guisera Lee ),박동춘 ( Dong Choon Park ) 대한산부인과학회 2011 Obstetrics & Gynecology Science Vol.54 No.4
A case of a 33-year-old 3 gravida, 1 para pregnant woman in the 7th week of gestation who was concurrented with dysgerminoma is presented. Measurements were made on serum lactic dehydrogenase, alpha-fetoprotein, CA-125, and pelvicmagnetic resonance imaging. The clinical stage was IA and right salpingo-oophorectomy and biopsy of the left ovary were done preserving the pregnancy. A cytological finding was non-specific. The frequency of malignant ovarian tumors associated with pregnancy and the treatment for it were discussed.