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박준은 대한소아혈액종양학회 2015 Clinical Pediatric Hematology-Oncology Vol.22 No.1
Wilms' tumor, nephroblastoma is the most common renal tumor in children. Treatment outcomes have improved dramatically over the past few decades due to applying of multimodality therapy consisting of surgery, radiotherapy and combination chemotherapy. There are two representative protocols produced by SIOP (Internationl society of Paediatric Oncology) and COG (Children Oncology Group) which is previously NWTS (Nationlal Wilms' tumor study) group in treatment of Wilms' tumor. The current protocol used by the COG undergoes upfront surgery prior to initiation treatment of chemotherapy. But, the protocol used by the International Society of Paediatric Oncology (SIOP) performs staging after preoperative chemotherapy and then surgery and postoperative chemotherapy. Current protocols becomes conducting to incorporate biologic features to stratify patients for therapy. Treatment strategies focuses on minimzing late effects of treatment while producing an excellent survival. This review presents a summary of these advances and outline the current molecular markers, pahtoloic and radiologic diagnostic method and treatment of Wilms' tumor.
박준은,이윤재,김기현,고한석,Park, Jun-Eun,Lee, Yoon-Jae,Kim, Ki-Hyeon,Ko, Han-Seok 한국전기전자학회 2009 전기전자학회논문지 Vol.13 No.2
본 논문에서는 핸즈프리 통신에서의 반향제거를 위한 음성 특징 기반의 동시통화 검출 기법을 제안한다. 동시통화 검출은 반향제거를 위한 적응 필터의 적응을 제어하는 역할을 하기 때문에 매우 중요한 분야이다. 이전까지의 연구에서는 동시통화 검출을 음성의 특징에 대한 고려 없이 단순히 신호처리 영역에서만 이루어졌다. 하지만 제안한 기법에서는 음성인식으로 사용되는 음성 특징을 핸즈프리 통신상에서의 근단 화자와 원단화자 사이의 차별성을 가지는 특징으로 사용하였다. 제안한 방식이 시간 축에서의 파형만을 이용하여 판단하는 동시통화검출기보다 우수한 성능을 나타내는 것을 실험을 통하여 입증하였다. In this paper, a speech feature based double-talk detector method is proposed for an acoustic echo cancellation in hands-free communication system. The double-talk detector is an important element, since it controls the update of the adaptive filter for an acoustic echo cancellation. In previous research, the double talk detector is considered in the signal processing stage without taking the speech characteristics into account. However, in the proposed method, speech features which are used for the speech recognition is used for the discriminative features between the far-end and near-end speech. We obtained a substantial improvement over the previous double-talk detector methods using the only signal in time domain.
A Case of Kaposiform Hemangioendothelioma of the Pterygopalatine Fossa
박준은,장재원,이기범,김철호,Park, Jun Eun,Chang, Jae Won,Lee, Kyi-Beom,Kim, Chul-Ho The Korean Society for Head and Neck Oncology 2013 대한두경부 종양학회지 Vol.29 No.1
카포시형 혈관내피종은 주로 영유아기에 발생하는 혈관내피세포에서 유래하는 혈관종양이다. 성인에서도 발생할 수 있으나 발생률은 정확히 알려져 있지는 않다. 뼈 또는 연조직을 침범할 수 있으며 경계성 종양으로 알려져 있다. 모세혈관종 또는 카포시형 육종과 유사하게 혈관이 포함된 침습적이고 경계가 불분명한 결절을 형성하며, 보통 사지의 연조직이나 간, 폐에 발생하는 경우가 많다. 문헌상으로 두경부에 발생한 증례가 몇 편 보고되어 있으나, 그 중 익구개와에 발생한 경우를 보고한 경우는 없었다. 저자들은 5개월된 남아에서 익구개와에 발생한 카포시형 혈관내피종을 인터페론 알파와 수술적 절제로 성공적으로 치료하였기에 이를 문헌고찰과 함께 보고하는 바이다.
박준은,Joseph Kang,유건희,성기웅,구홍회,임도훈,신형진,강형진,박경덕,신희영,김일한,조병규,임호준,서종진,박현진,박병규,안효섭 대한의학회 2010 Journal of Korean medical science Vol.25 No.8
The efficacy and toxicity of high-dose chemotherapy and autologous stem cell transplantation (HDCT/ASCT) were investigated for improving the outcomes of patients with relapsed medulloblastoma. A total of 15 patients with relapsed medulloblastoma were enrolled in the KSPNO-S-053 study from May 2005 to May 2007. All patients received approximately 4 cycles of salvage chemotherapy after relapse. Thirteen underwent HDCT/ASCT; CTE and CM regimen were employed for the first HDCT (HDCT1)and second HDCT (HDCT2), respectively, and 7 underwent HDCT2. One transplant related mortality (TRM) due to veno-occlusive disease (VOD) occurred during HDCT1but HDCT2 was tolerable with no further TRM. The 3-yr overall survival probability and event-free survival rates ±95% confidence intervals (CI) were 33.3±12.2% and 26.7%±11.4%, respectively. When analysis was confined to only patients who had a complete response (CR) or partial response (PR) prior to HDCT, the probability of 3-yr overall survival rates ±95% CI was 40.0±15.5%. No patients with stable disease (SD) or progressive disease (PD) survived. Survival rates from protocol KSPNO-S-053 are encouraging and show that tumor status prior to HDCT/ASCT is an important factor to consider for improving survival rates of patients with relapsed medulloblastoma.