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박원서,박인애,함의근,이상국,Park, Weon-Seo,Park, In-Ae,Ham, Eui-Keun,Lee, Sang-Kook 대한세포병리학회 1993 대한세포병리학회지 Vol.4 No.1
The fine needle aspiration (FNA) cytologic findings in 16 cases of histologically confirmed thymoma are reported. The aspirates were obtained under fluoroscopic guidance. The cytologic diagnoses were inadequate sample in one case, thymoma in 12(75%), small cell carcinoma or thymoma in 1, benign mesenchymal tumor in 1, and germ cell tumor in one. The cytologic features were detailed according to the constituent epithelial cell type, and into 4 small of epithelial cells and lymphocytes. Fifteen cases were classified into 4 small epithelial cell type, 6 intermediate epithelial cell type, 1 large epithelial cell type, 1 large pleomorphic epithelial cell type, and 3 spindle-shaped epithelial ceil type. Cytologic differential diagnosis was discussed, and the important criteria for the cytologic diagnosis of thymoma were reviewed. This review leads us to think that nonoperative cytologic approaches in the diagnosis of the thymoma are possible, and that correct cytologic diagnosis of thymoma with FNAs can easily be made, if adequate samples are obtained However the invasiveness and histologic type could not be predicted by cytological features only. Knowing various cytologic and histologic features of thymoma will be helpful for the diagnosis of thymoma and the differential diagnosis of modiastinal tumors.
박원서,함의근,Park, Weon-Seo,Ham, Eui-Keun 대한세포병리학회 1994 대한세포병리학회지 Vol.5 No.2
A case of metastatic mucoepidermoid carcinoma of the lung, originating from the hard palate, was diagnosed by sputum and bronchial washing cytology. Although the cytologic features of mucoepidermoid carcinoma have been well described, it is easy to confuse mucoepidermoid carcinoma with the more common primary adenocarcinoma or squamous cell carcinoma of the lung. The features distinguishing mucoepidermoid carcinoma from other primary neoplasms include 1) mucus-secreting cells individually and in clusters admixed with other cell components, 2) epidermoid cells identified by the presence of abundant spread-out cytoplasm and an oval dark nucleus and 3) intermediate cells resembling normal ductal epithelial cells with moderate-to-scanty cytoplasm, a central, round vesicular nucleus and a prominent nucleolus. The morphologic features of metastatic mucoepidermoid carcinoma in this case were similar to those of primary salivary mucoepidermoid carcinoma.
Low Grade Chondrosarcoma Presenting as Progressive Valgus Limb Deformity in a Growing Period
강현귀,박원서,박석연,Kang, Hyun Guy,Park, Weon Seo,Park, Seog Yun The Korean Musculoskeletal Tumor Society 2014 대한골관절종양학회지 Vol.20 No.1
성장기 인접 성장판에 영향을 주어 하지의 외반 변형을 보이는 대퇴골 종양이 발견되었다. 골간에 긴 골수내 종양은 성장판 근처의 골간단에서 격막에 의해 나누어졌으며 병리 검사상 저등급 연골육종으로 진단 되었다. 성장기 점진적 하지 변형이 골종양의 성장판 영향에 따른 증상일 수 있다. A femoral bone tumor causing a valgus deformity by affecting the growth plate was found. Long intramedullary diaphyseal tumor was separated by septum at the metapysis. Low grade chondrosarcoma was confirmed diagnosed by pathologists. Progressive limb deformity can be a sign of bone tumor in growing period.
강현귀,조환성,박원서,이주혁,김한수,Kang, Hyun-Guy,Cho, Hwan-Seong,Park, Weon-Seo,Lee, Joo-Hyuk,Kim, Han-Soo 대한근골격종양학회 2006 대한골관절종양학회지 Vol.12 No.2
Purpose: We report elastofibroma which is a rare fibrous lesion that most commonly occurs in the between subscapularis and thoracic cage. Materials and Methods: Four patients include one man and three women, the average age was 70 years and the average follow up period was six months. Two patients had on left side, two patients had on both sides. Main symptom was palpable mass. One patient complained mild pain, two complained scapular snapping. Results: All four masses removed with marginal or wide margin. Average mass size was 9.7${\times}$7.2${\times}$3.8 cm. Preoperative symptoms disappeared after surgery. All of the patients have returned to their daily living and showed no recurrence. There was no serious complication such as limitation of shoulder motion and winged scapula. Conclusion: Elastofibroma scapulae can be diagnosed through patient's age, tumor location and radiological finding without preoperative biopsy. When patient is symptomless, observation is enough without surgical operation. Surgical operation considered for relieve of symptoms of pain and snapping. 목적: 탄성섬유종은 드물게 견갑하부와 흉벽사이에서 발생되는 양성 연부조직 종양으로 단기간에 경험한 예에 대해 문헌고찰과 함께 보고 하고자 한다. 대상 및 방법: 총 4예로 남자 1예 여자 3예이며, 평균 연령은 72세(65~77세), 추시 기간은 6개월(4~8개월)이었다. 4예 모두 견갑골과 흉곽 사이의 견갑골 하방부에 발생하였다. 2예에서 좌측에 발생되었고 2예에서 양측으로 발생하였다. 환자의 증상은 촉지되는 종괴 외에 1예에서 견갑부 동통, 2예에서 견갑부 탄발음, 1예는 무증상이었다. 결과: 4예 모두 변연절제술 이상의 절제연을 가지고 제거하였으며 절제해 낸 종괴의 크기는 평균 9.7(7.5~11.5)${\times}$7.2(4.4~11)${\times}$3.8(3~5) cm 이었다. 술전 증상들은 술후 모두 소실되었고, 4예 모두에서 술후 1개월부터 일상생활로의 복귀가 가능하였다. 추시 기간 동안 관절부 운동범위 제한, 익상견갑 등의 합병증은 발생하지 않았고, 증상 재발의 소견도 관찰되지 않았다. 결론: 견갑부에 발생된 탄성섬유종은 환자의 연령, 발생위치, 방사선학적 소견으로 술전 진단이 가능하여 불필요한 진단적 생검을 피할 수 있을 것으로 사료된다. 증상이 없을 경우 수술적 치료 없이 추시 관찰이 가능하고 동통 및 탄발음 등의 증상이 있을 경우 증상의 호전을 위해 수술적 치료를 고려할 수 있을 것으로 사료된다.
Tissue Microarray를 이용한 원발 신장암 조직과 전이 조직 간의 조직생물학적 표지자(Tissue-BasedBiomarker)발현의 상관성에 관한 연구
김성한(Sung Han Kim),박원서(Weon Seo Park),박은영(Eun Young Park),박보람(Boram Park),주정남(Jungnam Joo),정재영(Jae Young Joung),서호경(Ho Kyung Seo),이강현(Kang Hyun Lee),정진수(Jinsoo Chung) 대한비뇨기종양학회 2016 대한비뇨기종양학회지 Vol.14 No.3
Purpose: The study was aimed to determine the correlations of tissue-based biomarker expressions between primary and metastatic specimens of renal cell carcinoma and with several well-known prognostic clinicopathological parameters. Materials and Methods: The immunohistochemistry (IHC) was used to determine the expression levels of 9 tissue-based markers calculated in H-score expressed by percentage of expression multiplied by the intensity score (0, 1, 2, and 3 points). Using 17 patients’ 38 specimens paired with primary renal lesion and its metastatic lesions collected between 2004 and 2015, Tissue microarray with IHC was performed with BAP1, PBRM1, pS6, PTEN, TGase2, PD-L1, CA9, PSMA, and Ki-67 on formalin-fixed paraffin-embedded sections. Pearson correlation and accuracy test were performed to analyze the correlation between primary and metastatic tissues. Results: The 17 patients’ mean age was 56.9 years old, mean tumor size was 7.9 cm, and the male to female ratio was 13:4 (76.5%:23.5%), respectively. Three patients had 2, 3, and 3 metastatic tissues, and the rest of 14 patients had only one metastatic tissue. The H-score (PSMA and Ki67) and intensity score (pS6 and PSMA) showed that some differential significant markers were identified which had statistical correlations of expression levels between primary and metastatic lesions among 9 markers. However, no real correlation of PSMA, Ki67, and pS6 markers were found their expressions of between primary and metastatic tissues because of their skewed expressions. Conclusions: Tissue markers failed to correlate their expression levels in primary lesions with those of metastatic lesions.
오른쪽 새끼 손가락 말단의 연부조직으로 전이한 유방암 1예
김진원 ( Jin Won Kim ),최병용 ( Byoung Yong Choi ),홍경섭 ( Kyoung Sup Hong ),박원서 ( Weon Seo Park ),이근석 ( Keun Seok Lee ),노정실 ( Jung Sil Ro ) 대한내과학회 2008 대한내과학회지 Vol.75 No.1
전이암이 사지 말단으로 전이되는 경우는 매우 드물다. 임상적으로 전이성 병변의 마지막 단계로 발생하는 경우가 흔하다. 흔히 병변이 양성종양이나 감염증과 비슷한 양상으로 오진되기도 한다. 드물게 사지 말단의 뼈로 전이된 예를 보고하지만 국내에서는 보고가 드물다. 본 환자는 손가락 끝 연부조직에 국한된 종괴로 발견되었으며 처음에는 유방암의 전이로 생각하지 않았던 증례로 조직검사를 통해 유방암의 전이로 확인되어 보고하는 바이다. Acral metastasis to the finger is a very rare phenomenon. We report herein a case of cutaneous acrometastasis to the right 5th finger tip in a 36-year-old woman with metastatic breast cancer. The patient underwent a right modified radical mastectomy for T3N3 invasive ductal carcinoma and received adjuvant chemotherapy and radiotherapy. After 2 years, she developed metastasis to the brain, bones, and lungs. She was found to have a growing tender mass on the tip of right 5th finger. A well-demarcated, soft tissue mass was identified on sonography. Under the clinical impression of a possible benign process, the nodule was surgically removed. The pathologic finding was consistent with metastatic breast cancer. Immunohistochemical staining for estrogen receptor, progesterone receptor, and HER2 were all negative, as in the primary tumor. Radiation was given to the finger tip and systemic chemotherapy with capecitabine was tried for systemic metastatic disease. (Korean J Med 75:112-114, 2008)