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Acta radiologica: therapy, physics, biology最新文献

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Effects of high energy protons on brain and glioma of mice. 高能质子对小鼠脑及胶质瘤的影响。
Acta radiologica: therapy, physics, biology Pub Date : 2009-07-09 DOI: 10.3109/02841856609139552
S. Nyström
{"title":"Effects of high energy protons on brain and glioma of mice.","authors":"S. Nyström","doi":"10.3109/02841856609139552","DOIUrl":"https://doi.org/10.3109/02841856609139552","url":null,"abstract":"","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"217 1","pages":"133-48"},"PeriodicalIF":0.0,"publicationDate":"2009-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84569757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Radiation therapy of intracranial tumors--long term results. 颅内肿瘤的放射治疗——长期结果。
Acta radiologica: therapy, physics, biology Pub Date : 2009-07-09 DOI: 10.3109/02841856609139538
J. Bouchard
{"title":"Radiation therapy of intracranial tumors--long term results.","authors":"J. Bouchard","doi":"10.3109/02841856609139538","DOIUrl":"https://doi.org/10.3109/02841856609139538","url":null,"abstract":"","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"4 1","pages":"11-6"},"PeriodicalIF":0.0,"publicationDate":"2009-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89813532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Size and blood flow of the liver estimated by 99Tcm scanning. 通过99Tcm扫描估计肝脏大小和血流量。
Acta radiologica: therapy, physics, biology Pub Date : 1977-12-01 DOI: 10.3109/02841867709133971
H I Pirttiaho, U Pitkänen
{"title":"Size and blood flow of the liver estimated by 99Tcm scanning.","authors":"H I Pirttiaho,&nbsp;U Pitkänen","doi":"10.3109/02841867709133971","DOIUrl":"https://doi.org/10.3109/02841867709133971","url":null,"abstract":"<p><p>In 14 healthy volunteers a method has been evaluated for simultaneous estimation of liver size and blood flow by dynamic gamma camera recording of Tc-sulfur colloid uptake in R--E cells of the liver. The reproducibility and convenience of the method was found to be such as to make it suitable for both scientific and routine clinical work.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 6","pages":"497-506"},"PeriodicalIF":0.0,"publicationDate":"1977-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133971","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11810660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
99Tcm-DP accumulation in rabbit skull bones after 60Co gamma irradiation. 60Co辐照后兔颅骨99Tcm-DP的积累。
Acta radiologica: therapy, physics, biology Pub Date : 1977-12-01 DOI: 10.3109/02841867709133970
M G Lind, A Nathanson
{"title":"99Tcm-DP accumulation in rabbit skull bones after 60Co gamma irradiation.","authors":"M G Lind,&nbsp;A Nathanson","doi":"10.3109/02841867709133970","DOIUrl":"https://doi.org/10.3109/02841867709133970","url":null,"abstract":"<p><p>Histology demonstrated new bone formation and bone destruction in rabbit mandibles irradiated with 20 Gy in a single exposure, but no abnormality following 10 Gy in a single exposure. Gamma camera examination of the 99Tcm-DP distribution could not demonstrate any abnormalities, and is concluded not to be effective in demonstrating early radiation injury to bone tissue. Radiation therapy is considered a negligible source of false positive findings in scintigraphy of the facial skeleton.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 6","pages":"489-96"},"PeriodicalIF":0.0,"publicationDate":"1977-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133970","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11810659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Distribution of 99Tcm-labelled phosphorus compounds, 45Ca and 85Sr in diphosphonate-treated rats. 99tcm标记的磷化合物、45Ca和85Sr在二磷酸盐处理大鼠体内的分布。
Acta radiologica: therapy, physics, biology Pub Date : 1977-12-01 DOI: 10.3109/02841867709133973
M Rohlin, A Larsson, L Hammarström
{"title":"Distribution of 99Tcm-labelled phosphorus compounds, 45Ca and 85Sr in diphosphonate-treated rats.","authors":"M Rohlin,&nbsp;A Larsson,&nbsp;L Hammarström","doi":"10.3109/02841867709133973","DOIUrl":"https://doi.org/10.3109/02841867709133973","url":null,"abstract":"<p><p>A similar distribution of 99Tcm, 45Ca and 85Sr was obtained when injected in rats as 99Tcm-labelled pyrophosphate or ethylene-1-hydroxy-1,1-diphosphonate (EHDP), 45Ca-chloride and 85Sr-choloride respectively. The highest concentrations occurred in bone and teeth. In EHDP-treated rats, isotopes were accumulated at sites of ectopic calcifications in the lung, kidney and stomach wall as well as in mineralized tissues. These results indicate that 99Tcm, when administered as 99Tcm-labelled EHDP accumulates predominatly in the inorganic rather than organic tissue components.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 6","pages":"513-24"},"PeriodicalIF":0.0,"publicationDate":"1977-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133973","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11810662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
Roentgen ray fluorescence method for determination of iodine in tissue. 组织中碘的伦琴射线荧光测定法。
Acta radiologica: therapy, physics, biology Pub Date : 1977-12-01 DOI: 10.3109/02841867709133975
P Puumalainen, T Lahtinen
{"title":"Roentgen ray fluorescence method for determination of iodine in tissue.","authors":"P Puumalainen,&nbsp;T Lahtinen","doi":"10.3109/02841867709133975","DOIUrl":"https://doi.org/10.3109/02841867709133975","url":null,"abstract":"<p><p>A roentgen ray fluorescence method was developed for the quantitative determination of iodine concentration in tissue. The method is based on the use of two beams, of which one excites the K roentgen rays of iodine, while the other does not. The concentration of iodine was determined from the difference between the counting rates of the fluorescent and the scattered radiation. The measurements were carried out with standard equipment consisting of a generator, a NaI)Tl)-detector and a scaler. An accuracy of 0.1 mg I per g was obtained with the radiation exposure of about 1 R.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 6","pages":"529-37"},"PeriodicalIF":0.0,"publicationDate":"1977-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133975","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11810664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Histiocytosis X. I. Erythrocyte sedimentation rate correlated to prognosis and extent of disease. 组织细胞增多症:红细胞沉降率与预后及疾病程度相关。
Acta radiologica: therapy, physics, biology Pub Date : 1977-12-01 DOI: 10.3109/02841867709133976
P Thommesen, P Frederiksen
{"title":"Histiocytosis X. I. Erythrocyte sedimentation rate correlated to prognosis and extent of disease.","authors":"P Thommesen,&nbsp;P Frederiksen","doi":"10.3109/02841867709133976","DOIUrl":"https://doi.org/10.3109/02841867709133976","url":null,"abstract":"","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 6","pages":"538-44"},"PeriodicalIF":0.0,"publicationDate":"1977-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133976","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11518761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Lymph transport before and after regional lymphadenectomy as demonstrated with 99Tcm. Preliminary experiences. 99Tcm显示局部淋巴结切除术前后的淋巴运输。初步的经验。
Acta radiologica: therapy, physics, biology Pub Date : 1977-12-01 DOI: 10.3109/02841867709133972
L Bartholdson, A Hultborn, L Hultén, B Roos
{"title":"Lymph transport before and after regional lymphadenectomy as demonstrated with 99Tcm. Preliminary experiences.","authors":"L Bartholdson,&nbsp;A Hultborn,&nbsp;L Hultén,&nbsp;B Roos","doi":"10.3109/02841867709133972","DOIUrl":"https://doi.org/10.3109/02841867709133972","url":null,"abstract":"<p><p>The lymphatic transport of a radioactive tracer injected intralymphatically on the dorsum of the foot was determined before and after surgery in 3 patients with vulvar carcinoma. The centrally recorded activity curves showed different time courses before and after inguinal lymphadenectomy, suggesting that the lymphatic transport is short-circuited via lymphovenous anastomoses after lymphadenectomy. Thus, non-radical surgery for primary carcinoma combined with lymphadenectomy will increase the risk of haematogenous spread.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 6","pages":"507-12"},"PeriodicalIF":0.0,"publicationDate":"1977-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133972","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11810661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Effect of roentgen, cyclotron neutron, or mixed neutron-photon fractionated irradiation of mice. LD50/4 day values. 伦琴、回旋中子或混合中子-光子分异辐照对小鼠的影响。LD50/4日值。
Acta radiologica: therapy, physics, biology Pub Date : 1977-12-01 DOI: 10.3109/02841867709133974
J S Rasey, N J Nelson
{"title":"Effect of roentgen, cyclotron neutron, or mixed neutron-photon fractionated irradiation of mice. LD50/4 day values.","authors":"J S Rasey,&nbsp;N J Nelson","doi":"10.3109/02841867709133974","DOIUrl":"https://doi.org/10.3109/02841867709133974","url":null,"abstract":"<p><p>Mice were whole-body-irradiated with 5 fractions of roentgen rays in 5 days, 5 fractions of cyclotron neutrons in 5 days, or with mixed neutron-photon fractionated radiation, in the sequence n-n-x-x-x or n-x-x-x-n. The LD50/4 day values were determined. Roentgen rays and neutrons interact in the additive manner in the mixed fractionation schemes: effective dose per fraction is as predicted from the roentgen ray-only and neutron-only experiments. This essentially agrees with HENDRY et coll. (1976). However, no trend was found towards a less-than -additive effect which was observed by those authors and has also been suggested in skin response to mixed schemes (NELSON et coll. 1975).</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 6","pages":"525-8"},"PeriodicalIF":0.0,"publicationDate":"1977-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133974","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11810663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Influence of air cavities on central depth dose curves for 33 MV roentgen rays. 空气腔对33mv射线中心深度剂量曲线的影响。
Acta radiologica: therapy, physics, biology Pub Date : 1977-12-01 DOI: 10.3109/02841867709133969
C Samuelsson
{"title":"Influence of air cavities on central depth dose curves for 33 MV roentgen rays.","authors":"C Samuelsson","doi":"10.3109/02841867709133969","DOIUrl":"https://doi.org/10.3109/02841867709133969","url":null,"abstract":"<p><p>The relative central absorbed dose preceding and following air layers and channels in a polytetrafluorethylene (teflon) phantom has been measured with LiF-teflon dosimeters. Focus phantom distance is set to 100 cm and the field sizes range from 3 cm X 3 cm to 6 cm X 6 cm. Absorbed dose decrease and build-up factors in front of and behind the air cavity are evaluated. The build-up factor is strongly dependent on field size. Measurements of absorbed dose in water and polystyrene yield approximately the same results as in teflon if the linear dimensions of the irradiation geometry (including depth in phantom) in water and polystyrene are equal to 1.84 and 1.99 respectively times the corresponding parameter in teflon. The underlying transformation procedure is derived. The absorbed dose correction factors in the region behind the slab are discussed in terms of tissue-air-ratio and effective attenuation formulae.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 6","pages":"465-88"},"PeriodicalIF":0.0,"publicationDate":"1977-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133969","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11622665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
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