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신봉경,이영석,정회선,이상호,김현철,김애리,김인선,김한겸,Shin, Bong-Kyung,Lee, Young-Suk,Jeong, Hoi-Seon,Lee, Sang-Ho,Kim, Hyun-Chul,Kim, A-Ree,Kim, In-Sun,Kim, Han-Kyeom The Korean Society for Cytopathology 2008 대한세포병리학회지 Vol.19 No.2
Urothelial carcinoma accounts for 90% of all the cases of bladder cancer. Although many cases can be easily managed by local excision, urothelial carcinoma rather frequently recurs, tends to progress to muscle invasion, and requires regular follow-ups. Urine cytology is a main approach for the follow-up of bladder tumors. It is noninvasive, but it has low sensitivity of around 50% with using the conventional cytospin preparation. Liquid-based cytology (LBC) has been developed as a replacement for the conventional technique. We compared the cytomorphometric parameters of $ThinPrep^{(R)}$ and cytospin preparation urine cytology to see whether there are definite differences between the two methods and which technique allows malignant cells to be more effectively discriminated from benign cells. The nuclear-to-cytoplasmic ratio value, as measured by digital image analysis, was efficient for differentiating malignant and benign urothelial cells, and this was irrespective of the preparation method and the tumor grade. Neither the $ThinPrep^{(R)}$ nor the conventional preparation cytology was definitely superior for distinguishing malignant cells from benign cells by cytomorphometric analysis of the adequately preserved cells. However, the $ThinPrep^{(R)}$ preparation showed significant advantages when considering the better preservation and cellularity with a clear background.
대퇴골에 발생한 Bizarre Parosteal Osteochondromatous Proliferation of the Femur (Nora 병변) - 증례 보고 -
신봉경,조현득,염범우,최종상,김철환,Shin, Bong-Kyung,Cho, Hyun-Deuk,Yum, Bum-Woo,Choi, Jong-Sang,Kim, Chul-Hwan The Korean Musculoskeletal Tumor Society 1999 대한골관절종양학회지 Vol.5 No.3
저자들은 18세 남자 환자의 우측 대퇴골에 발생한 bizarre parosteal osteochondromatous proliferation (Nora 병변) 1례를 보고하고자 한다. 방사선 소견상 비교적 경계가 좋은 석회화 병변이 하부 대퇴골의 피질 표면에 붙어 있었으며 병변은 넓은 기저면을 갖고 있었다. 대퇴골의 변형은 없었고, 병변과 대퇴골간의 골수강의 연결은 관찰되지 않았다. 조직학적으로 병변은 연골, 골 및 섬유조직으로 구성되어 있었고 연골은 세포밀도가 증가되어 있었으나, 과염색증이나 다형성세포는 없었다. 불규칙한 골과 연골간의 경계와 연골내 골화를 보였다. 골소주는 불규칙한 형태를 보이고 배경 기질에서 방추형 세포들을 관찰할 수 있었다. 세포학적 비정형은 관찰되지 않았다. 본 병변은 일종의 이소성 골화로써 반응성 병변으로 간주되며, 임상적으로나 병리학적으로 골육종이나 연골육종과 같은 악성 병변과 혼동하지 않는 것이 중요하다. We report a case of bizarre parosteal osteochondromatous proliferation of the right femur in an 18-year-old man. Roentgenograms showed a calcific mass attached to the underlying cortex with a broad base. Histologically, the lesion showed hypercellular cartilaginous tissue with maturation into trabecular bone, which contained spindle cells and lymphocytes in the intertrabecular spaces. Bizarre parosteal osteochondromatous proliferations are a form of heterotopic ossification and should not be mistaken for osteosarcoma or chondrosarcoma.
원발성 시신경교차 주위 종양으로부터 전이한 비장의 생식세포종 - 1예 보고 -
신봉경,김민경,김한겸,채양석,원남희,김인선,Shin, Bong-Kyuug,Kim, Min-Kyung,Kim, Han-Kyeom,Chae, Yang-Seok,Won, Nam-Hee,Kim, In-Sun 대한세포병리학회 2001 대한세포병리학회지 Vol.12 No.1
A 20-year-old young man who had undergone treatment for a suprasellar/perichiasmal tumor 2 years before, was presented with a huge palpable splenic mass. A fine needle aspiration cytology from the splenic mass showed dissociated large pleomorphic tumor cells having irregular nuclear outline, coarse chromatin, and one or two macronucleoli, and scattered small lymphocytes in fine granular background. Above cytologic findings were regarded as the characteristics of germinoma. Differential diagnosis from the large cell lymphoma of spleen was emphasized.
A Rare Case of Recurrent Metastatic Solid Pseudopapillary Neoplasm of the Pancreas
이혜승,신봉경,김한겸,최진혁,최유진,김하연 대한병리학회 2017 Journal of Pathology and Translational Medicine Vol.51 No.1
A 61-year-old woman visited our hospital for bilateral multiple lung nodules and a mass in her thorax. She had a long history of multiple metastatic recurrences of solid pseudopapillary neoplasm (SPN); 24 years previously, the patient had undergone pylorus-preserving pancreaticoduodenectomy for a 9.9 × 8.6 cm mass in the pancreatic head. The tumor was diagnosed as an SPN. Nine years later, metastatic nodules were found on computed tomography in the patient’s liver and peritoneum and were excised. She subsequently underwent an additional eight metastatectomy procedures in diverse organs. For the presented event, the lung nodules were removed. The prevalence of malignant SPN in the general population is 5%–15%. However, multiple metastatic recurrence of malignant SPN is rare; the lung is a particularly rare site of metastasis, found in only three cases in the literature. Here, we describe this exceptional case and provide a literature review.
정운용,신봉경,김철환,김인선,김우림,최광식,엄창섭,황적준,김한겸 대한병리학회 2004 Journal of Pathology and Translational Medicine Vol.38 No.6
Background : A mummy is a dead body of a human being or an animal that has been preserved artificially or naturally from decaying. Because the natural environment of Korea isn't appropriate for mummification and Korean people haven't artificially made mummies, mummies were rarely studied in Korea. Methods : On September 6, 2002, a well-preserved female mummy was found in the grave of a family in Kyunggi-do. She was submitted to a thorough autopsy examination along with the review of genealogical documents. Results : The mummy died in winter. She was pregnant and the fetal head was observed at the vaginal orifice. The uterine wall was ruptured, and the peritoneum was discolored, probably by hemorrhage. Histologically, the gastric mucosa was well preserved. On the smear cytology of gastrointestinal material and the fluid from the coffin, pollens and parasitic eggs were observed. The woman seemed to be death from hypovolemic shock due to uterine rupture during the 2nd phase of labor. Conclusions : From this case, we concluded the causes of the woman's mummification included the cold and dry circumstance at the time of her death, and the thick mortared wall of the grave that completely isolated the body from the outside.
Extramedullary B Lymphoblastic Crisis of CML, Presenting as a Leptomeningeal Tumor - A Case Report -
정회선,신봉경,김한겸,김인선,배숙영,이상호,류영준 대한병리학회 2009 Journal of Pathology and Translational Medicine Vol.43 No.5
We report here on a rare case of a patient who presented with an extramedullary B lymphoblastic crisis as an initial manifestation of chronic myelogenous leukemia (CML). A 71-year-old man visited the emergency room due to suddenly developed dysarthria and right side weakness. Emergency craniotomy was done under the presumptive diagnosis of subdural hemorrhage. During the operation, a poorly demarcated firm mass was identified in the leptomeningeal space. Microscopically, the majority of the tumor was composed of monotonous immature cells with blast morphology, and these cells were immunoreactive for TdT, CD34, CD10 and CD20, indicating the precursor B-cell phenotype. The peripheral area of the tumor consisted of myeloid cells in various stages of maturation, and these cells were reactive for myeloperoxidase, chloroacetate esterase, CD43 and CD15. FISH analysis using the LSI bcr-abl dual color probe showed gene fusion signals in both the B-lymphoblasts and myeloid cells. The peripheral blood and bone marrow findings were consistent with CML with no evidence of a blast crisis. Cytogenetic study of the bone marrow demonstrated the 46, XY, t(9;22)(q34;q11) chromosome. A diagnosis of extramedullary B lymphoblastic blast crisis in a patient with Philadelphia chromosome-positive CML was made. Despite treatment, the patient died 3 months after he was diagnosed.
위에 발생한 염증성 근섬유모세포성 종양의 세침흡인 세포학적 소견 -1 예 보고-
이지혜,신봉경,김정렬,조성진,김한겸,김인선,Lee, Ji-Hye,Shin, Bong-Kyung,Kim, Chung-Yeul,Cho, Seong-Jin,Kim, Han-Kyeom,Kim, In-Sun 대한세포병리학회 2001 대한세포병리학회지 Vol.12 No.2
Inflammatory myofibroblastic tumor, histologically characterized by the presence of bland-locking spindle cells and infiltration of chronic inflammatory cells, is extremely rare in the gastric wall. We report a case of gastric inflammatory myofibroblastic tumor In a 27-month-old boy. The fine needle aspiration biopsy from the mass showed loose clusters or scattered spindle cells and inflammatory cells, predominantly of lymphocytes and plasma cells. The spindle cells resembled fibroblasts or myofibroblasts. Differential diagnosis from benign and malignant diseases involving abdominal cavity was discussed.
서희연,신봉경,김석진,김병수,김의배,김지원 대한암학회 2009 Cancer Research and Treatment Vol.41 No.2
Multicentric Castleman disease (MCD) is a rare lymphoproliferative disorder. Although MCD pathogenesis is unclear, studies have suggested that human herpesvirus 8 (HHV-8) may be associated with the disorder. Recent reports have identified MCD cases without viral infection. A 43-year-old woman presented to our hospital for fever and myalgia of 6 months’ duration. The complete blood count revealed an elevated leukocyte count (15.1x103/uL) and a decreased hemoglobin level of 10.0 g/dL. The C-reactive protein level was elevated at 276.5 mg/L. Thoracic computed tomography (CT) scans revealed bilateral axillary lymphadenopathy. There was no evidence of HHV-8, human immunodeficiency virus (HIV), or Mycobacterium infection. Histologic evaluation of a lymph node biopsy from the left axilla yielded a diagnosis of MCD. Cyclophosphamide, adriamycin, vincristine, and prednisone (CHOP) were administered for a total of 4 cycles. The patient’s fever and lymphadenopathy resolved after the course of chemotherapy. She has been in complete remission for 24 months at this writing. As previously reported, this case report suggests that MCD can develop without viral infection. CHOP chemotherapy may be an effective treatment option for newly diagnosed MCD patients.