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Clinical Characteristics of Subacute Necrotizing Lymphadenitis (아급성 괴사성 림프절염의 임상적 고찰)

  • Park Chan-Hum;Kim Hee-Dong;Park Jun-Young;Jo Hyeong-Ju;Jun Jin-Hyoung;Park Youn-Kyu;Rho Young-Soo
    • Korean Journal of Head & Neck Oncology
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    • v.15 no.2
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    • pp.217-221
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    • 1999
  • Background and Objectives: Subacute necrotizing lymphadenitis or Kikuchi's disease has now become recognized in many parts of the world as a well-defined clinicopathologic entity. It typically affects cervical lymph nodes of young women, and subsides spontaneously within a few months without recurrences. The purpose of this study is to report the clinicopathologic finding, radiologic finding and many laboratory tests to elaborate the criteria that are useful in distinguishing this entity from inflammatory disease, granulomatous disease, lymphoma, malignant disease. Material and Methods: Authors evaluated 22 patients, who were diagnosed as subacute necrotizing lymphadenitis on excisional biopsy or fine needle aspiration cytology with retrospective chart review. Results: The patient population consisted of 21 women and 1 men. The mean age was 25 years old(range 17 to 42 years). All patient had palpable neck mass and associated fever, headache, weight loss, otalgia, diarrhea, night sweating. and associated disorder is dermatitis, hepatitis B, SLE, Hashimoto's thyroiditis, albinism et al. The multiple bilateral involvement of cervical lymph node was 20 cases(91%) and multiple unilateral 18 cases(82%), multiple bilateral 2 cases(9%). Solitary involvement was 2 cases(9%), mean size of involved lymph node was 2.0cm. In laboratory tests, leukopenia 17 cases(72%), elevated ESR 12 cases(54%), elevated GOT, GPT 3 cases(13%). In CT finding, lymph nodes enhanced in homogeneous fashion, and there was no evidence of central necrosis. Conclusion: Subacute necrotizing lymphadenitis, Kikuchi's disease may be easily confused clinically, pathologically, radiologically with malignant lymphoma, inflammatory disease, granulomatous disease. We should consider open biopsy of lymph node in the patient which had unilateral multiple cervical lymph node and in laboratory tests, were leukopenia, elevated ESR, especially in young women. otherwise, result of fine needle aspiration biopsy is nonspecific, excisional biopsy is recommended in order to differentiate other disease.

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Surgical Evaluation of Squamous Cell Carcinoma of the Lung (편평상피세포 폐암의 외과적 고찰)

  • An, Byeong-Hui;Mun, Hyeong-Seon;Na, Guk-Ju;Kim, Sang-Hyeong
    • Journal of Chest Surgery
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    • v.30 no.2
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    • pp.179-186
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    • 1997
  • The frequency of primary lung cancer is increasing compared to other cancer. Complete surgical resection is the most effective method of treatment, but it is limited to only 25 to 30 percent of patients after initial clinical presentation. The survival rate is different by the subtypes of carcinoma, stages, and general condition of patients. The author investigated the survival rate of 87 patients with squamous cell carcinoma of the lung after surgery. Age ranged from 31 to 73 years, with Lean 57.1) $\pm$ 7.15 and 80.5% (70 cases) was initially diagnosed at sixth and seventh decades. Male to female ratio was 8.9'1. Initial complaints were cough with sputum in 78.1%, weight loss in 31.0%, chest pain and discomfort in 29.9%, and hemoptysis in 24.1%. The location of the tumor was right side in 44.8% and left slde in 55.2% ; LUL in 39.1%, RLL in 20.7%, LLL in'16. 1%, RUL in 14.9% and RML in 9.2%. Stage I was 19.5%, stage II 25.3%, stage olla 54.1% and stage lIIb 1.1%. Operative procedures were as follow : pneumonectomy in 52.9%, lobectomy in 47.1%, sleeve upper lobectomy in 4 cases. Single mediastinal Iymph node involvement was observed in 17 cases, and multi-level mediastinal Iymph node involvement in 23 cases. Lower paratracheal Iymph node and subcarinal Lymph node were more frequently involved in right side lung cancer, with 8 and 10 cases, respectively and subaortic Iymph node was most frequently involved in left side lung cancer with 9 cases. Operative complications were hoarseness, wound infection and chylothorax in 7, 5 and 4 cases, respectively. The operative mortality was 2.2% and the cause of death was pulmonary edema. Postoperative follow-up period ranged from 1 month to 99 months with a mean of 29.95 $\pm$ 17.21 months. Overall one-year survival rate was 75.1 % and five-year survival rate was 29.8%. One-year and five-year survival rates were 93.7% and 52.4% for stage 1, 92.2% and 30.5% for st ge ll, and 61.2% and 17.4% for stage llla, respectively. These findings correlate survival rate with tumor size, mediastinal Iymph node metastasis and surgical resectability, and long-term survival can be expected with small sized tumor, absent mediastinal Iymph node metastasis and complete surgical resection.

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Effect of Drought Stress at Various Growth Stages on Soybean Growth and Yield (생육단계별 한발처리가 콩의 생육 및 수량에 미치는 영향)

  • 김충국;고문환
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.42 no.1
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    • pp.89-94
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    • 1997
  • The present study was conducted to know the growth and yield of in response to the drought stress at the different soybean growth stage. Drought stress was given to the soybean plants on early vegetative growth at fourth-node stage(FNS), mid-growth at beginning pod stage(BPS) and late growth at beginning seed stage(BSS) for 30 days, which are high availability in soil water stress on climate condition of Korea. Dry weight was decreased severely by water stress at FNS, and BPS and BSS has no difference compared to control. Chlorophyll content of leaf severely decreased at the end of water stress of FNS and BPS, but was recovered at the harvest stage. Drought-stressed root distributed mainly near the soil surface and number and dry weight of root nodule were decreased severely by drought stress at BPS. Number of pod, seed weight and yield were decreased by drought stress and showed the highest yield loss at BPS.

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A Case of Advanced Gastric Cancer Patient Treated with Sojeukjungwon-san and Allergen Removed Rhus Verniciflua Stokes(aRVS) (소적정원산(消積正元散) 및 옻나무 추출물 투여로 체중증가 및 일반활동도의 개선을 보인 진행성 위암환자 1례)

  • An, Ji-Hye;Jerng, Ui-Min;Jeong, Jong-Soo;Park, Jae-Woo;Yoon, Seong-Woo
    • Journal of Korean Traditional Oncology
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    • v.14 no.1
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    • pp.21-27
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    • 2009
  • Advanced gastric cancer is the most common type of all cancers in Korea, which account for approximately 18.1% of all incident cancers, and mortality from advanced gastric cancer is estimated at nearly 15.6% of death that caused by all cancer. In the conventional medicine, treatments of advanced gastric cancer include chemotherapy such like FOLFOX. In this case report, we introduce a case of advanced gastric cancer with greater omentum, thyroid, supraclavicular lymph node metastasis who had received chemotherapy. Chemotherapy was stopped because of weight loss and neurologic symptom such like cognitive disorder. The patient visited $M{\cdot\mu}$ Integrative cancer center in 2008, and was treated by Sojeukjungwon-san and allergen removed Rhus verniciflua stokes(aRVS). There was no evidence of brain metastasis. The patient showed improvement of cognitive disorder and gained weight. Further case study will be needed in order to determine the effects of Sojeukjungwon-san and allergen removed Rhus verniciflua stokes(aRVS) for the quality of life of advanced gastric cancer patients after chemotherapy.

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The Extended k-opt Algorithm for Traveling Salesman Problem (외판원 문제의 확장된 k-opt 알고리즘)

  • Lee, Sang-Un
    • Journal of the Korea Society of Computer and Information
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    • v.17 no.10
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    • pp.155-165
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    • 2012
  • This paper suggests traveling salesman problem algorithm that have been unsolved problem with NP-Hard. The proposed algorithm is a heuristic with edge-swap method. The classical method finds the initial solution starts with first node and visits to mostly adjacent nodes then decides the traveling path. This paper selects minimum weight edge for each nodes, then perform Min-Min method that start from minimum weight edge among the selected edges and Min-Max method that starts from maximum weight edges among it. Then we decide tie initial solution to minimum path length between Min-Min and Min-Max method. To get the final optimal solution, we apply previous two-opt to initial solution. Also, we suggest extended 3-opt and 4-opt additionally. For the 7 actual experimental data, this algorithm can be get the optimal solutions of state-of-the-art with fast and correct.

Environment Adaptive WBAN Routing based on Residual energy (에너지량에 기반한 환경 적응 WBAN 라우팅 알고리즘)

  • Kim, Wee-Yeon;Kim, Dae-Young;Shin, Sang-Bae;Cho, Jin-Sung
    • Journal of the Korea Society of Computer and Information
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    • v.16 no.1
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    • pp.89-99
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    • 2011
  • In this paper, we propose an routing algorithm for ultra low power and high reliable transmission in WBAN environment. This algorithm is to minimize energy consumption and to maximize the life and reliability for medical devices. Also, this algorithm is not only medical devices but also non-medical devices is to minimize energy consumption and to maximize the life of device. The combination of the distance from the previous node and residual energy calculates weight. The calculated weight is used to calculate the weight of full path by cumulative weights. The full path to the smallest of the weights are set to the path. Also this algorithm is able to select another path to avoid the error path by determining the link status between nodes, when occurs link error and congestion. In this paper, we show that WSN routing algorithm based on shortest hop count routing algorithm and EAR routing algorithm compared to ensure high reliability and low power characteristic of WBAN to be verified through simulations.

Effects of Root Head Diameter and Fertilization on Shoot Growth and Root Yield in Angelica gigas NAKAI (근두경의 크기와 시비가 참당귀의 생육 및 수량에 미치는 영향)

  • 조선행;김기준
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.36 no.3
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    • pp.254-258
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    • 1991
  • Experiment was conducted to investigate the effects of size of root crown at transplanting and fertilization on the growth and root yield of Angelica gigas Nakai. Plant height and fresh weight of shoots were increased by fertilizer application, but was not different in emergence rate. Size of root crown at transplanting was also affected the growth of shoot. Plant which had 7.2mm of root crown at transplanting showed highest in plant height and fresh weight of shoots. Growth of root in terms of root length, number of root branches, diameter of root crown, and fresh weight of root was increased by fertilizer application and 5.4mm of root crown at transplanting. Application of fertilizer accelerated the development and growth of node on the stem, which in turn resulted bolting and flowering. Plants which had greater than 7.2mm of root crown at transplanting and application of fertilizer were produced woody roots. Woody roots cannot be used for medicinal purpose. Therefore, yield of roots was highest at transplanting of 3.lmm root crown with fertilizer application.

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Effects of Plant Types on Group Production Structure, Growth and Yield of Green Pepper (Capcicum annuum L.) in Greenhouse (시설고추 초형이 군락생산구조, 생육 및 수량에 미치는 영향)

  • Jeon, Hee;Kim, Kyung-Je
    • Journal of Bio-Environment Control
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    • v.6 no.2
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    • pp.86-91
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    • 1997
  • This study was conducted to improve group production structure of green pepper in greenhouse. Plant was trained 45$^{\circ}$ branching, erection after 45$^{\circ}$ branching and erection. Light absorption index was calculated to investigate relation of light intensity and leaf area in different plant type according to plant height. Group production structure was analyzed with relative light intensity and dry weight of plant. In total growing seasons, group production structures were good in order of erect type after 45$^{\circ}$ branching > erect type > 45$^{\circ}$ branching type in view of light absorption, leaf and stem distribution. Plant height of erect type was taller than any other case, and average node length of 45$^{\circ}$ branching type was shorter than any other case. But stem diameter, leaf area, fresh weight and dry weight of erect type after 45$^{\circ}$ branching were superior to any other case. Yield is order of erect type after 45$^{\circ}$ branching > 45$^{\circ}$ branching type > erect type.

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Improving the Error Back-Propagation Algorithm for Imbalanced Data Sets

  • Oh, Sang-Hoon
    • International Journal of Contents
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    • v.8 no.2
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    • pp.7-12
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    • 2012
  • Imbalanced data sets are difficult to be classified since most classifiers are developed based on the assumption that class distributions are well-balanced. In order to improve the error back-propagation algorithm for the classification of imbalanced data sets, a new error function is proposed. The error function controls weight-updating with regards to the classes in which the training samples are. This has the effect that samples in the minority class have a greater chance to be classified but samples in the majority class have a less chance to be classified. The proposed method is compared with the two-phase, threshold-moving, and target node methods through simulations in a mammography data set and the proposed method attains the best results.

Experimental Trichothecene(T-2) Toxicosis in Korean Native Goats (한국 재래산양에서의 실험적 Trichothecene(T-2) 독소중독증)

  • Kim, Jong-shu
    • Korean Journal of Veterinary Research
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    • v.28 no.1
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    • pp.49-58
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    • 1988
  • To investigate the effects of T-2 toxin on the blastogenesis of lymphocytes, pathology, hemogram and blood chemistry in the goat, the korean native goats were treated orally with T-2 toxin for 21 days with a dosage of 0.6mg per kg body weight. The results were as follows: 1. The total count of leukocytes and lymphocytes decreased significantly from 14 to 21 days after treatment. 2. Mryeloid: erythroid ratios increased significantly on days 12 after treatment. 3. Delayed-type hypersensitivity skin reactions to tuberculin were reduced predominantly. 4. T-2 toxin induced prolonged prothrombin time. 5. Mitogenic responses of lymphocytes to both lipopolysaccharide and phytohemagglutinin were significantly depressed on days 7 and 14 after treatment. 6. Treatment of T-2 toxin caused marked depletion of lymphocytes in the thymus, mesenteric lymph node, peyer's patchs and spleen.

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