• Title/Summary/Keyword: 선암

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A Case of Adenocarcinoma Arising From Palatine Tonsil (구개편도에서 발생한 선암 1예)

  • Park, Sung Ho;Kim, Nam Young;Kim, Kyoung Hun;Lee, Guk Haeng;Lee, Byeong Cheol;Lee, Myung-Chul;Choi, Ik Joon
    • Korean Journal of Head & Neck Oncology
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    • v.31 no.2
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    • pp.82-85
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    • 2015
  • Adenocarcinoma is a cancer that begins in glandular cells and can occur in several parts of the body. Adenocarcinoma is a rare malignancy of the oropharynx with a few cases reported in the previous report. We describe 1 case of adenocarcinoma of the oropharynx. 46-year-old man was found to have an asymptomatic left tonsil mass and left neck mass that revealed adenocarcinoma by biopsy. A left tonsillectomy and selective neck dissection was performed and pathology confirmed adenocarcinoma with tonsil and neck mass. We report this case with a brief literature review.

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Changes in Volume Dose by Treatment Plan According to pCT and CBCT in Image-guided Radiation Therapy for Prostate Cancer (전립선암 영상유도방사선치료 시 pCT와 CBCT에 따른 치료계획별 체적선량의 변화)

  • Won, Young Jin;Kim, Jung Hoon
    • Journal of radiological science and technology
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    • v.41 no.3
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    • pp.209-214
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    • 2018
  • The results of CBCT was obtained using image guided radiation therapy for radiation therapy in 5 prostate cancer patients. Using these results, we compared and evaluated the dose changes according to the treatment plan depending on the volume and position of bladder, rectum, and prostate. The 28 images of CBCT were acquired using On-Board Imaging device before radiotherapy. After the outline of bladder, rectum, and PTV, pCT images and CBCT images for radiotherapy were treated respectively. The volume of the bladder was increased by 105.6% and decreased by 45.2%. The volume of the rectum was increased by 30.5% and decreased by 20.3%. Prostate volume was increased by 6.3% and decreased by 12.3%. The mean dose of the rectum was higher in the CBCT than in the pCT, and V40 (equivalent to 40 Gy) of the bladder showed a reduction in all treatment regimens in the CBCT than in the pCT. Conformity treatment and homogeneity index of PTV showed better results in all treatment regimens using pCT than CBCT. It was found that the dose distribution of the pelvic internal organs varied greatly according to the patient 's condition and pretreatment.

Bee Venom Inhibits PC-3 Cell Proliferation Through Induction of Apoptosis Via Inactivation of NF-${\kappa}B$ (Bee Venom이 NF-${\kappa}B$의 불활성화에 의한 세포자멸사를 통해 PC-3 세포의 증식에 미치는 영향)

  • Oh, Hyun-Jun;Song, Ho-Sueb
    • Journal of Acupuncture Research
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    • v.27 no.3
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    • pp.1-13
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    • 2010
  • 목적 : 이 연구는 봉약침의 봉독과 그 주요성분인 멜리틴이 NF-${\kappa}B$의 활성억제와 세포자멸사 관련 단백질의 발현 조절을 통하여 세포자멸사를 유도함으로써 전립선 암세포주인 PC-3 세포의 성장을 억제하는지를 확인하고 해당 기전을 살펴보고자 하였다. 방법 : 봉독이나 멜리틴을 처리한 후 PC-3의 성장억제를 관찰하기 위해 WST-1 assay, CCK-8 assay를 시행하였고, 세포자멸사 조절단백질의 변동 관찰에는 western blot analysis를 시행하였고, 세포자멸사와 연관된 NF-${\kappa}B$의 활성 변화를 관찰하기 위해 EMSA를 시행하였으며, PC-3에서 봉독이나 멜리틴과 NF-${\kappa}B$의 상호작용을 관찰하기 위해 transient transfection assay를 시행하여 세포생존율과 NF-${\kappa}B$의 활성 변동을 측정하였다. 결과 : PC-3 세포에 봉독이나 멜리틴을 처리한 후, 전립선암세포의 성장, 세포자멸사의 유발, 세포자멸사 관련 단백질의 발현, NF-${\kappa}B$의 활성, NF-${\kappa}B$의 p50, $IKK{\alpha}$, $IKK{\beta}$ 치환 후 NF-${\kappa}B$의 활성과 PC-3 세포 증식에 미치는 영향을 관찰하여 다음과 같은 결과를 얻었다. 1. PC-3 세포에서 봉독이나 멜리틴을 처리한 후 세포자멸사가 유도되어 세포성장이 억제되었고, 세포자멸사 관련 단백질 중 분리된 PARP, caspase-3, -9는 유의한 증가를, Bcl-2, XIAP, cXIAP2는 유의한 감소를 나타내었다. 2. PC-3 세포에서 봉독이나 멜리틴을 처리한 후 NF-${\kappa}B$의 활성은 유의한 감소를 나타내었다. 3. PC-3 세포에서 NF-${\kappa}B$의 p50, $IKK{\alpha}$, $IKK{\beta}$를 치환하여 작용기를 없애고 봉독이나 멜리틴을 처리하였을 경우에도 NF-${\kappa}B$의 활성이 유의한 감소를 나타내었다. 결론 : 이상의 결과는 봉독이나 멜리틴이 NF-${\kappa}B$의 활성 억제를 통하여 인간 전립선암세포주인 PC-3의 세포자멸사를 유발함으로써 증식억제 효과가 있음을 입증한 것으로, 전립선암의 예방과 치료에 대한 효과적인 치료제 개발에 도움이 될 것으로 기대된다.

A Case of Adenocarcinoma Presenting a Solitary Pulmonary Nodule That Showed No Growth Over 4 Years (4년간 크기가 일정한 고립성 폐결절이 선암으로 진단된 1예)

  • Yoon, Byeong Kab;Kim, Eun Ju;Kim, Deok In;Lee, Kum Ho;Ryu, Jeong Seon;Kwak, Seung Min;Lee, Hong Lyeol;Cho, Jae Hwa;Kim, Lucia;Lee, Kyeong Hee;Kim, Jeong Taek
    • Tuberculosis and Respiratory Diseases
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    • v.59 no.3
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    • pp.326-329
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    • 2005
  • A case of 51-year-old woman with a malignant solitary pulmonary nodule (SPN) that exhibited no growth over a period of 4 years is reported. Surgical wedge resection revealed an adenocarcinoma upon intra-operative frozen examination. The operation was completed with a right upper lobectomy and complete lymphadenectomy. The authors recommend an early surgical procedure for any SPNs due to risk factors for developing lung cancer.

The Radiopharmaceutical Therapy for Multiple Bone Metastases of Cancer (암의 다발성 뼈 전이의 방사성동위원소 치료)

  • Choi, Sang Gyu
    • Journal of Hospice and Palliative Care
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    • v.17 no.4
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    • pp.207-215
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    • 2014
  • Multiple bone metastases are common manifestation of many malignant tumors such as lung cancer, breast cancer, prostate cancer and renal cell carcinoma. Bone metastasis is secondary cancer in the bone, and it can lead to bone pain, fracture, and instability of the weight bearing bones, all of which may profoundly reduce physical activity and life quality. Treatment for bone metastasis is determined by multiple factors including pathology, performance status, involved site, and neurologic status. Treatment strategies for bone metastasis are analgesics, surgery, chemotherapy and radiotherapy. External beam radiotherapy has traditionally been an effective palliative treatment for localized painful bone metastasis. However, in some cases such as multiple bone metastases, especially osteoblastic bone metastasis originated from breast or prostate cancer, the radiopharmaceutical therapy using $^{89}Sr$, $^{186}Re$, $^{188}Re$, $^{153}Sm$ and $^{117m}Sn$ are also useful treatment option because of administrative simplicity (injection), few side effects, low risk of radiation exposure and high response rate. This article offers a concise explanation of the radiopharmaceutical therapy for multiple bone metastases.

A Case of Endobronchial Metastasis from Prostatic Carcinoma (전립선암의 기관지내전이 1예)

  • Kwon, Du-Young;Seo, Chang-Gyun;Kwak, Jin-Ho;Kim, Byung-Sang;Kim, Min-Su;Choi, Won-Il;Han, Seung-Bum;Song, Hong-Suk;Jeon, Young-June
    • Tuberculosis and Respiratory Diseases
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    • v.49 no.4
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    • pp.502-507
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    • 2000
  • Carcinoma of the prostate is a common malignancy affecting elderly men. Lung metastasis from prostate cancer occurs frequently, but tumor metastasis to the central bronchi that clinically mimics primary bronchogenic carcinoma are very rare. We report a 73-year old man with endobronchial metastasis from prostatic carcinoma presented with respiratory symptom cough. Diagnosis of tissues taken from materials which were used for bronchoscopic biopsy and prostate biopsy and immunohistochemical staining for prostate specific antigen (PSA) confirmed a case of endobronchial metastasis from prostatic carcinoma. Hormonal therapy (LHRH agonist) was applied to this patient.

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A Case of Alpha-Fetoprotein Producing Adenocarcinoma of the Lung (알파태아단백을 분비하는 원발성 폐 선암 1예)

  • No, Eun-Ji;Hur, Jin-Won;Lee, Sung Soon;Lee, Young Min;Lee, Hyuk Pyo;Kim, Joo In;Yum, Ho-Kee;Choi, Soo Jeon;Choi, Suk-Jin;Kim, Chan-Hwan;Lee, Hyun-Kyung
    • Tuberculosis and Respiratory Diseases
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    • v.61 no.1
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    • pp.70-73
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    • 2006
  • Alpha-fetoprotein(AFP) is a plasma protein produced in the fetal liver, yolk sac and gastrointestinal tract. The plasma level of AFP decreases markedly 1 year after birth. The AFP level is usually increased in hepatocellular carcinoma and yolk sac tumor but is rare in a primary lung cancer. We report a case of primary adenocarcinoma of lung producing high levels of AFP.

Infection status of Pseudorasbora parva collected from the Sunam stream with metacercariae of Metorchis orientalis (낙동강 하류산 참붕어의 Metorchis orientalis 피낭유충 감염상)

  • 손운목
    • Parasites, Hosts and Diseases
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    • v.29 no.3
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    • pp.311-313
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    • 1991
  • This study revealed the infection status of p. larva with the metacercariae of M. orientalis in the Sunam stream of the Nakdong River, a well-known focus of Clonorchis sinensis. A total of 60 P larva were divided into :l groups by the size (80~90, 70~79, 60~69 and 50~59 mm) and were digested by pepsin-HCI solution in a $36^{\circ}C$ incubator. The metacercariae of M orientalis were collected and counted under a stereomicroscope. A total of 3,885 metacercariae were found, and average number/fish in each group were 143, 54, 23 and 40. They were $175.3{\times}155.4{\;}{\mu\textrm{m}}$ in average size and had thick cyst wall($13.1{\;}{\mu\textrm{m}}$ in average), By the results, it is proved that the life cycle of M. orientalis is actively maintained in the Sunam stream of the Nakdong River.

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Evaluation of Cancer Incidence Rate using Exposure Dose to Surrounding Normal Organs during Radiation Therapy for Prostate Cancer (전립선암의 방사선 치료 시 주변 정상장기 피폭선량을 이용한 암발생확률 평가)

  • Lee, Joo-Ah
    • Journal of the Korean Society of Radiology
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    • v.16 no.3
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    • pp.351-356
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    • 2022
  • The purpose of this study was to evaluate the cancer incidence rate and provide basic data by measuring the photoneutron dose generated during intensity-modulated radiation therapy and volumetric modulated arc therapy used in radiation therapy for prostate cancer. The optically stimulated luminescence albedo neutron dosimeter for neutron measurement was placed on the Rando phantom in the abdomen and thyroid and photoneutron dose generated was measured. As a result of the study, intensity-modulated radiation therapy (7 portal) was measured to be higher than volumetric rotational radiation therapy in both abdominal and thyroid locations. When the cancer incidence rate was evaluated using the nominal risk coefficient of ICRP 103, the cancer incidence rate due to exposure to the colon and thyroid during intensity-modulated radiation therapy was 9.9 per 1,000 people, and volumetric rotational radiation therapy for 1,000 people. It was 3.5 per person. Based on the principle of ALARA (As low as reasonably archievable), it is considered to be a guideline for minimizing the exposure dose to normal organs in the establishment of a radiation treatment plan.

Development of Flood Runoff Forecasting System by using Artificial Neural Networks - Development & Application of GUI_FFS - (인공신경망 이론을 이용한 홍수유출 예측 시스템 개발 - GUI_FFS 개발 및 적용 -)

  • Park, Sung-Chun;Oh, Chang-Ryol;Kim, Dong-Ryeol;Jin, Young-Hoon
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.26 no.2B
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    • pp.145-152
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    • 2006
  • In the present study, a nonlinear model of rainfall-runoff process using Artficial Neural networks(ANNs) which have no consideration on the physical parameter for the basin was developed at Naju station which is the main stream of Yeongsan-river, and Sunam station which is the main stream of Hwangryong-river. The result from the model of ANN_NJ_9 at the Naju station revealed the best result of the rainfall-runoff process, while the model of ANN_SA_9 for the Sunam station. Also, GUI_FFS developed in the research showed the $R^2$ of more than 0.98 between the observed and predicted values using the rainfall and runoff in the respective stations. Therefore, the GUI_FFS might be expected that it can play a role for the high reliability to operate and manage the water resources and the design of river plan more efficiently in the future.