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오경호,주영호,권도영,홍석진,권순영,Oh, Kyoung-Ho,Ju, Young-Ho,Kwon, Do-Young,Hong, Seok-Jin,Kwon, Soon-Young 대한기관식도과학회 2010 大韓氣管食道科學會誌 Vol.16 No.2
Tetanus is a life-threatening infection that is rare in the developed country. Because of the rarity: of the disease, the clinician may be unfamiliar with the clinical presentation and unsuspecting of the diagnosis. However, tetanus can rapidly progress into lethal muscle spasms accompanied by respiratory insufficiency, and it has a mortality of 15 to 30%. The most common presenting symptom was trismus, followed by neck pain, dysphagia, generalized pain and facial muscle contractions. Dysphagia is a common symptom of tetanus, but not common as an initial symptom, the correct diagnosis and adequate therapy are likely to be delayed. Treatment involves administration of penicillin, tetanus immune-globulin, debridement of wounds, aggressive supportive care, and initiation of active immunization. We report an elderly woman presenting with dysphagia as an initial symptom of tetanus with review of literature.
JPEG2000 CODEC을 위한 Entropy 코딩 알고리즘의 VLSI 설계
이경민,오경호,정일환,김영민,Lee, Kyoung-Min,Oh, Kyoung-Ho,Jung, Il-Hwan,Kim, Young-Min 한국통신학회 2004 韓國通信學會論文誌 Vol.29 No.1C
본 논문은 차세대 정지영상 압축방식인 JPEG2000 코덱의 엔트로피 코딩 알고리즘의 하드웨어적 구조를 제안하고, 설계하였다. 구현된 엔트로피 코더는 컨텍스트 기반의 산술부호화기로서 컨텍스트 추출부(CE)와 산술부호화기(AC)로 구성된다. CE는 각 코팅패스에서 코딩에 참여하지 않는 샘플은 skipping 함으로써 동작속도를 향상시켰으며, AC는 MQ coder에 기반을 둔 산술부호화기로서, 곱셈과 나눗셈 연산대신 단순 가감산과 shift 연산망을 이용하여 구조를 단순화하고 연산량을 줄임으로써 동작속도를 향상시켰다. 설계된 엔트로피 코더는 VHDL 모델링후 Xilinx FPGA technology를 이용하여 합성한 후 동작을 검증하였으며, 30MHz의 동작속도를 보인다. In this paper, we design an efficient VLSI architecture of entropy coding algorithm in JPEG2000. Entropy coder is a context-based binary arithmetic encoder, and composed of a Context Extractor(CE) and an Arithmetic Coder(AC). We speed-up CE by skipping no-operation bits in coding passes, and AC is to be performed based on MQ coder. Because of using Qe value associated with each allowed context and probability estimation, MQ coder is a multiplication free coder that reduces computation loads and makes simple the structure of arithmetic coder. We have developed and synthesized the VHDL models of CE and AC pairs using Xilinx FPGA technology. The proposed architecture operates up to 30MHz.
Predictors of Distant Metastasis in Adenoid Cystic Cancer of Salivary Gland
김강우,김연수,오경호,박민우,조재구,백승국,우정수,정광윤,권순영,Kim, Kang Woo,Kim, Yeon Soo,Oh, Kyoung Ho,Park, Min Woo,Cho, Jae-Gu,Baek, Seung-Kuk,Woo, Jeong-Soo,Jung, Kwang-Yoon,Kwon, Soon Young The Korean Society for Head and Neck Oncology 2014 대한두경부 종양학회지 Vol.30 No.1
배경 및 목적 타액선 선양낭성암종은 느린 성장 속도와 늦은 원격 전이를 특징으로 하는 드문 상피성종양이다. 본 연구는 다양한 임상 병리학적 변수를 통해 선양낭성암종의 원격 전이에 영향을 주는 인자를 조사하고자 하였다. 대상 및 방법 1999년 10월부터 2011년 12월까지 본원 이비인후과에서 타액선 선양낭성암종으로 진단되어 치료 받은 44명(남자 19명, 여자 25명)을 대상으로 원격전이를 유발하는 위험 인자를 조사하였다. 8명의 환자는 배제 기준에 따라 제외하였다. 환자의 평균 연령은 54세였다. 환자의 병리 보고서, 종양의 크기, T 병기, 수술 절제연의 종양 존재 유무, 신경 조직 침습, 림프절 전이가 조사되었다. 결 과 15명의 환자가 원격전이가 있었으며 21명은 원격 전이가 없었다. 원격 전이를 유발할 수 있는 여러 인자들을 비교하였을 때, 원격 전이는 수술 절제연의 종양 세포 잔존(p=0.014), 종양의 크기(p=0.038), 진행된 T 병기(p=0.024)가 통계적으로 유의하게 연관성이 있었다. 림프절 전이와 신경 조직 침습은 원격 전이와 연관이 없었다. 결 론 종양의 크기, 진행된 T 병기, 수술 후 절제연의 종양 세포 잔존은 원격 전이의 예측 인자로 생각된다. 따라서 이에 해당하는 환자의 경우 더욱 철저한 관리 및 경과 관찰을 요한다.
갑상선암 및 난소암 병력을 가진 좌측 경부 종물을 주소로 내원한 환자 1례에 대한 증례 보고
정용준(Yong Jun Jeong),오경호(Kyoung Ho Oh),권순영(Soon Young Kwon) 대한두경부종양학회 2020 대한두경부 종양학회지 Vol.36 No.2
Ovarian cancer is common malignant disease with high mortality in the female. However, lymph node metastasis in the head and neck of ovarian cancer is very rare than in para-aortic, pelvic lymph node. A 49-year-old female patient came to our clinic with a left neck mass. After total thyroidectomy and left selective neck dissection for the cervical neck level II, III, IV, V, VI for ovarian cancer and thyroid cancer, she had already undergone chemotherapy (Paclitaxel+Carboplatin) 18 month ago. CT scan showed only lymph node enlargement in left neck level II. Positron emission tomography-computed tomography (PET-CT) revealed a hypermetabolic lesion in same area but no other hypermetabolic lesion, especially in the pelvic and abdominal cavity. Fine needle aspiration cytology revealed metastatic carcinoma. The serum level of CA-125 was elevated to 43.8U/mL, whereas other tumor markers (CA 19-9, CEA) were in the normal range. She underwent a revision of selective neck lymph node dissection for the cervical neck levels I, II, and III, and on the review of surgical pathology, metastatic carcinoma was suspected. Thus, we performed immunohistochemical staining for the tissue; as a result, it was finally diagnosed as metastatic ovarian cancer (positive for CK7, ER and PR, and negative for CK20). Adjuvant chemotherapy (Paclitaxel+Carboplatin) was planned on the tumor board, and the patient successfully received chemotherapy.
Predictors of Distant Metastasis in Adenoid Cystic Cancer of Salivary Gland
Kang Woo Kim(김강우),Yeon Soo Kim(김연수),Kyoung Ho Oh(오경호),Min Woo Park(박민우),Jae-Gu Cho(조재구),Seung-Kuk Baek(백승국),Jeong-Soo Woo(우정수),Kwang-Yoon Jung(정광윤),Soon Young Kwon(권순영) 대한두경부종양학회 2014 대한두경부 종양학회지 Vol.30 No.1
배경 및 목적 타액선 선양낭성암종은 느린 성장 속도와 늦은 원격 전이를 특징으로 하는 드문 상피성종양이다. 본 연구는 다양한 임상 병리학적 변수를 통해 선양낭성암종의 원격 전이에 영향을 주는 인자를 조사하고자 하였다. 대상 및 방법 1999년 10월부터 2011년 12월까지 본원 이비인후과에서 타액선 선양낭성암종으로 진단되어 치료 받은 44명(남자 19명, 여자 25명)을 대상으로 원격전이를 유발하는 위험 인자를 조사하였다. 8명의 환자는 배제 기준에 따라 제외하였다. 환자의 평균 연령은 54세였다. 환자의 병리 보고서, 종양의 크기, T 병기, 수술 절제연의 종양 존재 유무, 신경 조직 침습, 림프절 전이가 조사되었다. 결 과 15명의 환자가 원격전이가 있었으며 21명은 원격 전이가 없었다. 원격 전이를 유발할 수 있는 여러 인자들을 비교 하였을 때, 원격 전이는 수술 절제연의 종양 세포 잔존(p=0.014), 종양의 크기(p=0.038), 진행된 T 병기(p=0.024) 가 통계적으로 유의하게 연관성이 있었다. 림프절 전이와 신경 조직 침습은 원격 전이와 연관이 없었다. 결 론 종양의 크기, 진행된 T 병기, 수술 후 절제연의 종양 세포 잔존은 원격 전이의 예측 인자로 생각된다. 따라서 이에 해당하는 환자의 경우 더욱 철저한 관리 및 경과 관찰을 요한다.
박한나,박일석,이상혁,이승원,이상준,이병주,천용일,박준욱,오경호,신유섭,Park, Hannah,Park, Il-Seok,Lee, Sang Hyuk,Lee, Seung-Won,Lee, Sang Joon,Lee, Byung-Joo,Cheon, Yong-Il,Park, Jun-Ook,Oh, Kyoung Ho,Shin, Yoo Seob 대한후두음성언어의학회 2022 대한후두음성언어의학회지 Vol.33 No.1
Background and Objectives Globus pharyngeus is one of the most common symptoms of patients visiting otorhinolaryngology out-patient clinic, and usually long-lasting, difficult to treat, and frequently recurrent. Mucomyst<sup>®</sup>, N-acetyl cysteine is an inhalation agent mainly used for mucolysis and reducing inflammation in airway via antioxidative effect. The purpose of this study was to evaluate the efficacy of inhaled Mucomyst<sup>®</sup> treatment in patients with globus pharyngeus refractory to proton pump inhibitor (PPI). Materials and Method We prospectively evaluated the efficacy of Mucomyst<sup>®</sup> in relieving symptoms of globus pharyngeus refractory to PPI in nine medical centers. Three hundred and three patients enrolled and finally 229 patients finished the inhaled Mucomyst<sup>®</sup> therapy for 8 weeks. We analyzed the change of Reflux Symptom Index (RSI), Reflux Finding Score (RFS), Visual Analogue Scale (VAS) for globus, and Globus Pharyngeus Symptom Scale (GPS) after use of Mucomyst<sup>®</sup> for 4 and 8 weeks. Results The GPS, RSI, RFS, and VAS score significantly decreased serially in patients who finished 8 week-inhalation treatment. The GPS improvement gap was significantly correlated with initial GPS (p<0.001) in multiple regression analysis. Conclusion Inhaled Mucomyst<sup>®</sup> therapy was effective for the reduction of both subjective and objective findings in refractory globus patients. This study might suggest new treatment option for patients with globus. However, further thorough studies would be needed to assess the real effect of inhaled Mucomyst<sup>®</sup> treatment as a standard treatment for globus.
식도암이 동시에 발견된 구강저부의 편평세포암 환자 1예
김태민(Tae Min Kim),송인식(In Sik Song),주재우(Jae Woo Joo),김민수(Min Su Kim),오경호(Kyoung Ho Oh),이주한(Ju Han Lee),권순영(Soon Young Kwon) 대한두경부종양학회 2016 대한두경부 종양학회지 Vol.32 No.2
Simultaneous second primary tumors are not uncommon in patients with oral cavity squamous cell carcinoma. Many studies have previously shown that oral cavity squamous cell carcinoma patients with simultaneous second primary tumor generally have a poor prognosis. Additionally, the choice of the optimal therapeutic modality for oral cavity squamous cell carcinoma patients who present with simultaneous second primary tumor remains problematic. We reported a case of simultaneous squamous cell carcinomas in mouth floor and esophagus, that multidisciplinary team performed resection and reconstruction simultaneously.
김태민(Tae Min Kim),송인식(In Sik Song),주재우(Jae Woo Joo),김민수(Min Su Kim),오경호(Kyoung Ho Oh),권순영(Soon Young Kwon) 대한두경부종양학회 2016 대한두경부 종양학회지 Vol.32 No.2
There are various types of malignancy in eyelid, such as squamous cell carcinoma, melanoma, and sarcoma. These malignant tumors have potential of metastasis by regional lymph node drainage. The lymph node around parotid gland has been known as a common site of regional lymph node metastasis. The rarity of malignant tumors in the periorbital area makes it difficult to determine the optimal extent of treatment. We report a case of parotid metastasis after eyelid cancer operation in a 60-year-old man.
두경부에 발생한 Progressive Transformation of Germinal Centers(PTGC) 환자 2예
한원규(Won Gue Han),김태민(Tae Min Kim),윤희철(Hee chul Yoon),염건휘(Gun hwee Yum),오경호(Kyoung Ho Oh),권순영(oon Young Kwon) 대한두경부종양학회 2015 대한두경부 종양학회지 Vol.31 No.1
Progressive transformation of germinal centers(PTGC) is a rare benign lymph node enlargement characterized by chronic lymphadenopathy and the presence of germinal centers with fused and expanded mantles within a lymph node that are 3-5 times the size of a typical reactive follicle. Although PTGC is reported in 3.5-10% of chronic lymphadenopathy, head and neck surgeons do not often experience this condition and its clinical implications. Al-thoug PTGC is benign disease, it could not be excluded the association with other malignant lymphoid diseases. Therefore, periodic follow up of PTGC patient could be required. We report two cases at this study ; a 16 years old man who visited out-patient clinic due to palpable mass of right cervical area, several months ago, and a 35 years old man who visited out-patient clinic for evaluating right cervical mass. Both of two patients were diagnosed with PTGC. In this study, we focus on the clinic-pathologic features of this uncommon disease along with other literature reviews.