• 제목/요약/키워드: Local lesions

검색결과 323건 처리시간 0.03초

Treatment outcome of radiation therapy and concurrent targeted molecular therapy in spinal metastasis from renal cell carcinoma

  • Park, Sangjoon;Kim, Kyung Hwan;Rhee, Woo Joong;Lee, Jeongshim;Cho, Yeona;Koom, Woong Sub
    • Radiation Oncology Journal
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    • 제34권2호
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    • pp.128-134
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    • 2016
  • Purpose: To evaluate the clinical outcomes of patients who underwent radiation therapy with or without targeted molecular therapy for the treatment of spinal metastasis from renal cell carcinoma (RCC). Materials and Methods: A total of 28 spinal metastatic lesions from RCC patients treated with radiotherapy between June 2009 and June 2015 were retrospectively reviewed. Thirteen lesions were treated concurrently with targeted molecular therapy (concurrent group) and 15 lesions were not (nonconcurrent group). Local control was defined as lack of radiographically evident local progression and neurological deterioration. Results: At a median follow-up of 11 months (range, 2 to 58 months), the 1-year local progression-free rate (LPFR) was 67.0%. The patients with concurrent targeted molecular therapy showed significantly higher LPFR than those without (p = 0.019). After multivariate analysis, use of concurrent targeted molecular therapy showed a tendency towards improved LPFR (hazard ratio, 0.13; 95% confidence interval, 0.01 to 1.16). There was no difference in the incidence of systemic progression between concurrent and nonconcurrent groups. No grade ${\geq}2$ toxicities were observed during or after radiotherapy. Conclusion: Our study suggests the possibility that concurrent use of targeted molecular therapy during radiotherapy may improve LPFR. Further study with a large population is required to confirm these results.

Tobamovirus Coat Protein CPCg Induces an HR-like Response in Sensitive Tobacco Plants

  • Ehrenfeld, Nicole;Canon, Paola;Stange, Claudia;Medina, Consuelo;Arce-Johnson, Patricio
    • Molecules and Cells
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    • 제19권3호
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    • pp.418-427
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    • 2005
  • When inoculated into sensitive tobacco Xanthi-nn plants, the crucifer and garlic-infecting Tobacco mosaic virus (TMV-Cg) induces local necrotic lesions that resemble those seen in the hypersensitive response (HR) of resistant tobacco plants. However, unlike these, tobacco Xanthi-nn plants do not become resistant to infection and the virus spreads systemically causing a severe disease characterized by necrotic lesions throughout the plant. To identify the viral protein that elicits this necrotic response, we used a set of hybrid viruses constructed by combination of TMV-Cg and the tobacco mosaic virus strain U1 (TMV-U1). In this study we present evidence that the coat protein of TMV-Cg (CPCg) is the elicitor of the necrotic response in tobacco Xanthi-nn plants. Local and systemic necrotic lesions induced by TMV-Cg and by the hybrid U1-CPCg -that carries CPCg in a TMV-U1 context- are characterized by cell death and by the presence of autoflorescent phenolic compounds and $H_2O_2$, just like the HR lesions. In addition, defense-related genes and detoxifying genes are induced in tobacco Xanthi-nn plants after TMV-Cg and U1-CPCg inoculation. We postulate that in our system, CPCg is recognized by sensitive tobacco plants that mount an incomplete defense response. We call this an HR-like since it is not enough to induce plant resistance.

자연 발생한 돼지의 신장 질병에 관한 병리학적 연구 (Pathological findings on spontaneously occurring renal lesions in pigs)

  • 백영기;임병무
    • 대한수의학회지
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    • 제29권4호
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    • pp.559-565
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    • 1989
  • In order to investigate the renal pathology of spontaneously occurring renal lesions, basic macroscopic inspection was conducted to 3,850 pigs randomly collected from local slaughter houses, and a total of 355 pigs (9.2%) were detected with various gross pathological conditions. Renal morphologic patterns for gross lesions were classified histopathologically as 123(34.5%) congestion, 81(22.8%) acute interstitial nephritis, 52(14.7%) chronic interstitial nephritis, 49(13.8%) hemorrhage, 39(11.0%) renal cyst, 29(8.2%) chronic glomerulonephritis, 18(5.1%) acute glomeruonephritis, 14(3.9%) infarction, 11(3.1%) thrombosis, 5(1.4%) atrophy, 5(1.4%) pyelonephritis and 1(0.3%) lymphosarcoma.

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한우의 신장 질환에 관한 연구 I. 간질성 신장염의 발생 (Pathological Studies on the Renal Disease among Korean Native Cattle I. The Occurrence of Interstitial Nephritis)

  • 정운익;이광원;임창형
    • 대한수의학회지
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    • 제10권2호
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    • pp.67-72
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    • 1970
  • In this study, 198 cases of Korean Native Cattle having renal lesions were observed during the examination of a cases and total of 350 cases in 1967. The lesions observed were 190 cases of interstitial nephritis (54.3%) I case of atrophic kindey (0.3%), 5 cases of renal cyst (1.4%) and 2 casces of renal abscess (0.6%). The interstitial nephritis was classified into focal (73.2%), local (13.6%) and diffuse (13.5%) in type. The gross and microscopic findings for the lesions were also described and discussed.

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The Results of a Breast Cancer Screening Camp at a District Level in Rural India

  • Reddy, Neha;Ninan, Tilu;Tabar, Laszlo;Bevers, Therese
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권12호
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    • pp.6067-6072
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    • 2012
  • Background: Breast cancer in developing countries is on the rise. There are currently no guidelines to screen women at risk in India. Since mammography in the western world is a well-accepted screening tool to prevent late presentation of breast cancer and improve mortality, it is intuitive to adopt mammography as a screening tool of choice. However, it is expensive and fraught with logistical issues in developing countries like India. Materials and Methods: Our breast cancer screening camp was done at a local district hospital in India after approval from the director and administrators. After initial training of local health care workers, a one-day camp was held. Clinical breast examination, mammograms, as well as diagnostic evaluation with ultrasound and fine needle aspiration biopsy were utilized. Results: Out of total 68 women screened only 2 women with previous history of breast cancer were diagnosed with breast cancer recurrence. None of the women in other groups were diagnosed with breast cancer despite suspicious lesions either on clinical exam, mammogram or ultrasound. Most suspicious lesions were fibroadenomas. The average cost of screening women who underwent mammography, ultrasound and fine needle aspiration was $30 dollars, whereas it was $16 in women who had simple clinical breast examination. Conclusions: Local camps act as catalysts for women to seek medical attention or discuss with local health care workers concerns of discovering new lumps or developing breast symptoms. Our camp did diagnose recurrence of breast cancer in two previously treated breast cancer patients, who were promptly referred to a regional cancer hospital. Further studies are needed in countries like India to identify the best screening tool to decrease the presentation of breast cancer in advanced stages and to reduce mortality.

Local ablative radiotherapy for oligometastatic non-small cell lung cancer

  • Suh, Yang-Gun;Cho, Jaeho
    • Radiation Oncology Journal
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    • 제37권3호
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    • pp.149-155
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    • 2019
  • In metastatic non-small cell lung cancer (NSCLC), the role of radiotherapy (RT) has been limited to palliation to alleviate the symptoms. However, with the development of advanced RT techniques, recent advances in immuno-oncology therapy targeting programmed death 1 (PD-1) and programmed death ligand 1 (PD-L1) and targeted agents for epidermal growth factor receptor (EGFR) mutation or anaplastic lymphoma kinase (ALK) translocation allowed new roles of RT in these patients. Within this metastatic population, there is a subset of patients with a limited number of sites of metastatic disease, termed as oligometastasis that can achieve long-term survival from aggressive local management. There is no consensus on the definition of oligometastasis; however, most clinical trials define oligometastasis as having 3 to 5 metastatic lesions. Recent phase II randomized clinical trials have shown that ablative RT, including stereotactic ablative body radiotherapy (SABR) and hypofractionated RT, to primary and metastatic sites improved progression-free survival (PFS) and overall survival (OS) in patients with oligometastatic NSCLC. The PEMBRO-RT study, a randomized phase II study comparing SABR prior to pembrolizumab therapy and pembrolizumab therapy alone, revealed that the addition of SABR improved the overall response, PFS, and OS in patients with advanced NSCLC. The efficacy of RT in oligometastatic lung cancer has only been studied in phase II studies; therefore, large-scale phase III studies are needed to confirm the benefit of local ablative RT in patients with oligometastatic NSCLC. Local intensified RT to primary and metastatic lesions is expected to become an important treatment paradigm in the near future in patients with metastatic lung cancer.

Outcomes of Surgical Management of Xanthelasma Palpebrarum

  • Lee, Hoon Young;Jin, Ung Sik;Minn, Kyung Won;Park, Young-Oh
    • Archives of Plastic Surgery
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    • 제40권4호
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    • pp.380-386
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    • 2013
  • Background Xanthelasma palpebrarum (XP) is a benign disorder manifesting as yellowish cholesterol-laden plaques on the eyelids. This paper presents the outcomes in patients with XP who have undergone surgical excision as the main modality of treatment. Methods A retrospective review of patients who received surgery for xanthelasma palpebrarum from March 2007 to March 2011 was conducted. Patients were classified into four grades according to the location and extent of the lesion, with grade I being the mildest and grade IV being the most diffuse. Simple excision was performed in grade I and II lesions, while local flaps and skin grafts were performed in the more advanced grades. Results Ninety-five cases from March 2007 to March 2011 were included in this study. 66 cases (70%), were treated by simple excision. Twenty-four cases (25%) and 5 cases (5%) were treated by simple excision in combination with or without local flaps and skin grafts. In approximately 1/4 of the patients, orbicularis oris muscle involvement was observed. 4 patients (4.2%) developed scar contracture postoperatively, which required a secondary procedure. Recurrence was reported in 3 patients (3.1%). Otherwise. There were no other reports of major complications or disfigurement. Conclusions We found that for lesions involving the deep dermis and/or muscle, surgical excision was the most appropriate therapeutic option.

Scopoletin Production Related to Induced Resistance of Tobacco Plants Against Tobacco mosaic virus

  • Kim, Young-Ho;Choi, Do-Il;Yeo, Woon-Hyung;Kim, Young-Sook;Chae, Soon-Yong;Park, Eun-Kyung;Kim, Sang-Seock
    • The Plant Pathology Journal
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    • 제16권5호
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    • pp.264-268
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    • 2000
  • A fluorescent material was accumulated in inoculated leaves showing necrotic local lesions of tobacco plants with N gene, Nicotiana tabacum cvs. Xanthi-nc NN, Samsun NN, Burley 21 and KF 114, and N. glutinosa, and Datura stramonium at the early growth stages by the inoculation of Tobacco mosaic virus (TMV). It was identified as a coumarin phytoalexin, scopoletin. Although the material was most prominently produced in TMV-inoculated tobacco leaves with local necrotic lesions, its accumulation was also noted in uninoculated leaves of TMV-inoculated plants. Its accumulation was somewhat greater in high resistance-induced leaves than low resistance-induced and intact leaves. Scopoletin treatment induced the expression of a pathogenesis-related protein, PR-1, prominently at the concentration of 500 or 1000 ${\mu}$g/ml. This suggests that scopoletin is a phytoalexin abundantly accumulating in N gene-containing resistant plants in response to TMV infection, and may be related to hypersensitive responses (HR) and systemic acquired resistance (SAR) in the resistant tobacco plants.

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후두신경통 환자에서 시행한 경피적 제2경추신경절 절제술 -증례 보고- (Percutaneous C2 Ganglionotomy in the Management of Occipital Neuralgia -A case report-)

  • 임소영;김수관;신근만;홍순용;최영룡
    • The Korean Journal of Pain
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    • 제9권1호
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    • pp.200-205
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    • 1996
  • Radiofrequency thermocoagulation(RF) techniques are safe and effective methods as compared to neurodestructive procedure. Other advantages are: ability to perform RF lesions under local or sedative anesthesia, rapid recovery period, low incidence of morbidity and mortality, ability to repeat RF lesions, and leaves no significant scarring. We performed C2 ganglionotomy by RF lesion generator on a patient, suffering post-traumatic occipital neuralgia, as the patient did not respond to conservative therapies such as: trigger point injection, TENS, cryotherapy and stretch, occipital nerve block, C2 ganglion block. Prognostic nerve block was performed usng local anesthetics. Excellent effect was conformed before C2 ganglionotomy. This procedure was performed under fluoroscopy. Type RCK-2A Rosomoff Cordotomy kit was used to stabilize the head and neck. Postoperatively, the patient was free of occipital pain and head motions no longer triggered pain. To date, the patient remains symptom free except for some cervical discomfort.

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