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Cystic Medullary Thyroid Carcinoma: A Case of Undergoing Endoscopic Thyroid Lobectomy
Dong Hae Chung,Jae Yeon Seok,Yoo Seung Chung1,Eun Mee Oh1,Jung Won Ryu1,Young Don Lee1 대한갑상선-내분비외과학회 2015 The Koreran journal of Endocrine Surgery Vol.15 No.1
On ultrasonography, medullary thyroid carcinoma (MTC) shows hypoechogenicity, an irregular margin, a predominantly solid composition, and microcalcifications, similar to those observed in papillary thyroid carcinoma (PTC). MTC presenting as a cystic lesion is rare, and endoscopic thyroidectomy can be performed for benign thyroid masses and early stage PTC, however it is inappropriate for MTC regardless of cystic change. The authors report a case of cystic MTC found after endoscopic thyroid lobectomy and provide a review of the literature on this topic.
알레르기 환자에서 한방 이외의 대체 요법의 사용 현황에 대한 다기관 조사
이현정 ( Hyun Jung Lee ),이재현 ( Jae Hyun Lee ),이용원 ( Yong Won Lee ),김철우 ( Cheol Woo Kim ),동헌종 ( Hun Jong Dhong ),박해심 ( Hae Sim Park ),조영주 ( Young Joo Cho ),조진희 ( Jin Hee Cho ),조상헌 ( Sang Heon Cho ),편복양 ( 대한내과학회 2011 대한내과학회지 Vol.80 No.1
Background/Aims: The use of unproven complementary/alternative medicine (CAM) to treat allergies is popular in Korea. We conducted a multicenter survey of the current use of CAM other than herbal medication in Korean allergy patients. Methods: This study enrolled 510 adults with allergic diseases, including asthma, allergic rhinitis, atopic dermatitis, and chronic urticaria, from ten hospitals. They underwent a structured questionnaire interview and clinical assessment of the prevalence, motivation, costs, and subjective assessment of CAM. Results: Of the patients, 16.7% used at least one type of CAM to treat their allergic diseases. Common types of CAM were diet (48.6%), aroma therapy (23.8%), massage (14.3%), breathing exercises (7.6%), baths (5.7%), and mind control (5.7%). The therapeutic effects of CAM included improved in patients using mind control (50%), diet (50%), breathing exercises (75%), and baths (33.3%), but worse in patients using aroma therapy (28%), and massage (26.7%). About 36.4% of the patients used CAM more than four times per year, and the average cost per CAM user was 370,000 won/year. The main reason for trying CAM was `hope to improve my constitution`. Conclusions: CAM is used widely for treating allergic diseases in Korea. Detailed knowledge of CAM and patient education are important. Further studies of the clinical efficacy of CAM are needed. (Korean J Med 2011;80:68-77)
박세호(Se Ho Park),이영해(Young Hae Lee),조동원(Dong Won Cho) 한국SCM학회 2012 한국SCM학회지 Vol.12 No.2
One of the most important reasons in pursuit of supply chain management is to prevent sub-optimization caused by decentralized decision making over the various entities. As supply chain coordination approach to overcome such a setting, contract mechanisms have frequently been used. However, a coordinated supply chain might fail to provide additional profit to one of the players. In result, it is necessary that a contract mechanism is designed to achieve the same profit in a centralized situation (coordination) and to improve the benefit of all the supply chain players (winwin). In this paper, we address supply chain contract based on revenue sharing and quantity discount considering price and service level. We show that the trade parameters among different entities in the supply chain contract can be chosen to achieve coordination and a win-win outcome.
Colonic Intramural Hematoma After Argon Plasma Coagulation
( *hae Min Yang ),( Hyun Woo Park ),( Se Young Jang ),( Sun Young Ahn ),( Hyun Seok Lee ),( Soo Young Park ),( Won Young Tak ),( Young Oh Kweon ),( Sung Kook Kim ),( Chang Min Cho ),( Min Kyu Jung ),( 대한내과학회 2013 대한내과학회 추계학술발표논문집 Vol.2013 No.1
Argon plasma coagulation (APC) is a noncontact endoscopic method of hemostasis achieving coagulation without physical contact of APC probe with tissues. APC was first developed for surgical interventions but has been introduced to endoscopic procedures since 1991. It is currently used for the management of bleeding caused by varices, ulcers and vascular ectasias as well as for ablation of Barret`s esophagus, remnant adenomatous tissues after polypectomy and debulking malignant tumors. It is the most preferred method to manage angiodysplasia owing to its ease of application, minimum depth of thermal effects and speedy treatment for wide areas. It is known to be an effective method of hemostasis to treat colonic angiodysplasia and complication rates are also low when it is performed after submucosal injection of saline. The main advantage of APC is the safety owing to minimum depth of the thermal effect but procedure-related complications such as pneumoperitoneum, perforation, subcutaneous emphysema, bleeding, stricture and pain can occur if it is inappropriately used. However, incidence of intramural hematoma is rare. There is only one reported case of intramural hematoma which developed in the stomach after argon plasma coagulation to remove residual tissues after gastric polypectomy. Herein, we report a case of colon intramural hematoma and delayed bleeding after argon plasma coagulation performed to manage bleeding secondary to colonic angiodysplasia in a 57-year old female with liver cirrhosis and end stage renal disease.
Digital Adaptive Control For A Time-delayed System
Lee,Hwa-Jo,Lee,Jae-Won,Joo,Hae-Ho 嶺南大學校 工業技術硏究所 1996 工業技術硏究所論文集 Vol.24 No.1
시간 지연을 갖는 공기 예열시스템에 대한 디지털 적응제어 시스템을 개발 하였다. 온-라인 파라메터 추정 방법으로 회귀최소좌승법을 사용 하였고, 제어 알고리즘으로 데스빗(deadbeat)알고리즘을 적용 하였다. 디지털제어를 위해 터보-베직 언어를 사용 하여 작동 프로그램을 설계 하였다. 실험을 통하여 적응제어 성능을 확인 하였다. 결과로, 적응기구를 갖는 시스템의 시간반응이 적응기구가 없는 데드빗 제어 시스템 보다 정상상태 도달 시간이 빠르고, 정상상태 오차가 적게 나타났다. 시스템의 파라메터를 임의로 변화 시켰을 때 적응제어기가 잘 적응 하고 있음을 확인 하였다. In this paper a digital adaptive control system has been develped for an air preheating device as a time-delayed system. An increased-order deadbeat control algorithm combined with a recursive least-square method for an on-line parameter estimation is implemented. An operating program for the adaptive air preheating system was written in Turbo-Basic language. Experiments were conducted with different conditions. As a result, time responses showed that the system with an adaptation mechanism has faster setting time and less steady state error than that of the system with adaptation mechanism, and the adaptive controller adapt very well when the parameters of system are varied.
Inflammatory Breast Cancer Initially Presenting as Malignant Ascites
( Hae Won Lee ),( Ji Yeon Kim ) 대한내과학회 2015 대한내과학회 추계학술발표논문집 Vol.2015 No.1
Malignant ascites can be associated with tumors of the ovary, colon, lung, breast, and liver. Inflammatory breast cancer is a rare form of breast cancer. It does not typically present as a lump as other breast cancers do and is often misdiagnosed as inflammation. We report a case of a 77-year-old female patient admitted for dyspepsia. Her vital signs were stable. Initial blood tests showed WBC 12,500/mm3, ESR 22 mm/hr, AST 27 IU/mL, ALT 38 IU/mL, and ALP 963 IU/L. Tumor markers including CA 19-9, CA125, and CEA were all within normal range. Abdominal CT showed moderate amount of ascites with multiple metastastic lymph nodes (Fig. A). During admission, she developed shortness of breath and warmness in her left breast which had a “peau d’orange”appearance. Chest CT revealed a large amount of right pleural effusion with multiple lung nodules, suggesting lymphagitic carcinomatosis (Fig. B). Ascitic and pleural fluid analysis results indicated malignant pleural effusion but only atypical cells were found on cytology. Breast ultrasound showed diffusely increased echogenecities of soft tissue and engorged lymphatics without a definite mass, consistent with inflammatory breast cancer (Fig. C). A punch biopsy of the breast skin revealed adenocarcinoma with extensive invasion of dermal lymphatics (Fig. D). The patient expired a month later, refusing any neoadjuvant chemotherapy. Physicians should consider malignancies including inflammatory breast cancer even when presenting without any breast symptoms due to its rapid progression and aggressiveness.
Systemic Toxocariasis Presenting With Eosinophilic Ascites and Pericardial Effusion
( Hae Won Lee ),( Chang Seop Im ) 대한내과학회 2015 대한내과학회 추계학술발표논문집 Vol.2015 No.1
Visceral larva migrans (VLM) syndrome is a clinical manifestation of systemic organ involvement by Toxocara species. It is often asymptomatic and self-limiting while some present various manifestations. Here we report a case of a 48-year-old male patient admitted for abdominal distension and chest discomfort. Initial blood tests showed hemoglobin of 13.1 g/dL, hematocrit 38.7%, 14,290 leukocytes with 55.3% eosinophils, 155,000/mm3 platelets, mildly increased AST 67 IU/mL and ALT 216 IU/mL, serum total protein 5.9 g/dL, albumin 3.6 g/dL, and proBNP 1,674.2 pg/mL. The antinuclear antibody (ANA), anti-mitochondrial antibody (AMA), anti-smooth muscle antibody were all negative. Abdominal CT (Fig. A) and ultrasonography(Fig. B) revealed moderate amount of ascites and both pleural effusion. Echocardiography showed scanty pericardial effusion with preserved ejection function (Fig. C). The ascitic fluid was clear and straw-colored, which cell count showed 4,500 cells/mm3 with 90% eosinophils, indicating eosinophilic ascites. We considered eosinophilic gastroenteritis and parasitic infestation for differential diagnosis. Total IgE was 189.9 IU/mL and serology results were positive for toxocariasis Ab IgG. The diagnosis of active systemic toxocariasis was made and albendazole 800 mg was initiated. 2 months later, follow-up CT revealed no apparent ascites, pleural effusion and pericardial effusion (Fig. D). We report this case as systemic involvement of toxocariasis may delay the diagnosis as serologic testing is not routinely performed at clinical settings.