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Acta radiologica: therapy, physics, biology最新文献

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Lymph drainage from the vulva and the foot as demonstrated by 198Au. 淋巴液从外阴和足部流出。
Acta radiologica: therapy, physics, biology Pub Date : 1977-06-01 DOI: 10.3109/02841867709133938
L Bartholdson, A Hultborn, L Hultén, B Roos, M Rosencrantz, C Ahrén
{"title":"Lymph drainage from the vulva and the foot as demonstrated by 198Au.","authors":"L Bartholdson,&nbsp;A Hultborn,&nbsp;L Hultén,&nbsp;B Roos,&nbsp;M Rosencrantz,&nbsp;C Ahrén","doi":"10.3109/02841867709133938","DOIUrl":"https://doi.org/10.3109/02841867709133938","url":null,"abstract":"<p><p>From the central part of the labium majus the lymphatic transport of 198Au is invariably bilateral to inguinal and pelvic lymph nodes. Thus, bilateral inguinal and low pelvic lymph-adenectomy is logical in the treatment of carcinoma of the vulva. 198Au injected subcutaneously and Lipiodol injected intralymphatically in the dorsum of the foot were transported exclusively to ipsilateral inguinal and pelvic lymph nodes. Thus, there is no need for contralateral lymphadenectomy in malignancies on the dorsum of the foot.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 3","pages":"209-18"},"PeriodicalIF":0.0,"publicationDate":"1977-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133938","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12090651","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 finite exposure slits in determination of the line spread function and modulation transfer function. 有限曝光缝对确定线扩展函数和调制传递函数的影响。
Acta radiologica: therapy, physics, biology Pub Date : 1977-06-01 DOI: 10.3109/02841867709133948
T Villafana
{"title":"Effect of finite exposure slits in determination of the line spread function and modulation transfer function.","authors":"T Villafana","doi":"10.3109/02841867709133948","DOIUrl":"https://doi.org/10.3109/02841867709133948","url":null,"abstract":"<p><p>The modulation transfer function of radiologic imaging systems is commonly obtained by determining the line spread function (LSF) of the system and computing its Fourier transform. Ideally, LSF should be obtained with infinitesimally narrow slits. The use of finite slits for obtaining the LSF is analyzed theoretically. An expression for the MTF of a finite rectangular slit is derived. Slit width correction of observed MTF is discussed as well as the correction for any generalized slit configuration.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 3","pages":"281-8"},"PeriodicalIF":0.0,"publicationDate":"1977-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133948","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12090659","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: 2
Cerebrospinal irradiation of Burkitt's lymphoma. Failure in preventing central nervous system relapse. 脑脊髓照射治疗伯基特淋巴瘤。未能预防中枢神经系统复发。
Acta radiologica: therapy, physics, biology Pub Date : 1977-06-01 DOI: 10.3109/02841867709133941
C L Olweny, I Atine, A Kaddu-Mukasa, E Katongole-Mbidde, S K Lwanga, B Johansson, J Onyango, H Host, T Norin, B Willey
{"title":"Cerebrospinal irradiation of Burkitt's lymphoma. Failure in preventing central nervous system relapse.","authors":"C L Olweny,&nbsp;I Atine,&nbsp;A Kaddu-Mukasa,&nbsp;E Katongole-Mbidde,&nbsp;S K Lwanga,&nbsp;B Johansson,&nbsp;J Onyango,&nbsp;H Host,&nbsp;T Norin,&nbsp;B Willey","doi":"10.3109/02841867709133941","DOIUrl":"https://doi.org/10.3109/02841867709133941","url":null,"abstract":"<p><p>Twenty-two patients with Burkitt's lymphoma in complete remission induced by either cyclophosphamide or a combination of cyclophosphamide, oncovin and methotrexate were randomized to receive or not to receive prophylactic cerebrospinal irradiation. Six of 11 irradiated patients relapsed with tumour of the central nervous system as compared to 4 of 11 controls. Relapse frequency appeared to be related to stage of disease on admission. It is concluded that irradiation does not prevent relapse.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 3","pages":"225-31"},"PeriodicalIF":0.0,"publicationDate":"1977-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133941","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12090654","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: 32
Cell migration following irradiation of the skin in mice. Effect of shielding minute areas. 小鼠皮肤辐照后的细胞迁移。屏蔽微小区域的效果。
Acta radiologica: therapy, physics, biology Pub Date : 1977-06-01 DOI: 10.3109/02841867709133945
F Devik
{"title":"Cell migration following irradiation of the skin in mice. Effect of shielding minute areas.","authors":"F Devik","doi":"10.3109/02841867709133945","DOIUrl":"https://doi.org/10.3109/02841867709133945","url":null,"abstract":"<p><p>In hairless mice, dorsal skin flaps were exposed to 15 kV roentgen radiation. Thin metal wires were stretched across the field. At eight different intervals, up to 6 days, and following Colcemid injection, the number and location of mitoses in the epidermis were recorded. The regeneration observed in the irradiated parts of the epidermis seems to be due to migration of cells from shielded areas, the rate during the first 6 days being about 1/6 mm per day. Migration takes place along the basal membrane of the epidermis before any increased loss of cells in superficial layers has occurred.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 3","pages":"257-65"},"PeriodicalIF":0.0,"publicationDate":"1977-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133945","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12090656","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
Effect of clinically relevant irradiation regimes on human malignant melanomas grown in athymic nude mice. 临床相关照射对胸腺裸鼠生长的人恶性黑色素瘤的影响。
Acta radiologica: therapy, physics, biology Pub Date : 1977-06-01 DOI: 10.3109/02841867709133947
E K Rofstad, T Brustad, J V Johannessen
{"title":"Effect of clinically relevant irradiation regimes on human malignant melanomas grown in athymic nude mice.","authors":"E K Rofstad,&nbsp;T Brustad,&nbsp;J V Johannessen","doi":"10.3109/02841867709133947","DOIUrl":"https://doi.org/10.3109/02841867709133947","url":null,"abstract":"<p><p>Human tumors grown subcutaneously in the thymus deficient nude mice are used as a model system to compare the effectiveness of clinically relevant irradiation regimes. Procedures for local irradiation of the tumors with 60Co radiation are described in detail. A preliminary test of the regression of two malignant melanomas, following three clinically relevant fractionation schedules, is performed. The overall treatment time and the nominal standard dose (NSD) are kept equal for the irradiation regimes chosen.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 3","pages":"273-80"},"PeriodicalIF":0.0,"publicationDate":"1977-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133947","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12090657","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
3H-TDR labelling of osteoprogenitor cells after 226RA incorporation in mice. 226RA掺入小鼠骨祖细胞后的3H-TDR标记。
Acta radiologica: therapy, physics, biology Pub Date : 1977-06-01 DOI: 10.3109/02841867709133942
V Kofránek, O Parízek, V Svoboda, D Bubeníková, J Machek
{"title":"3H-TDR labelling of osteoprogenitor cells after 226RA incorporation in mice.","authors":"V Kofránek,&nbsp;O Parízek,&nbsp;V Svoboda,&nbsp;D Bubeníková,&nbsp;J Machek","doi":"10.3109/02841867709133942","DOIUrl":"https://doi.org/10.3109/02841867709133942","url":null,"abstract":"<p><p>The time course of 3H-TDR labelling index of osteoprogenitor cells and the doses in endosteum of lumbar vertebra and distal femoral epiphysis were autoradiographically determined in young female mice after single injections of 19.7 and 55.9 micronCi/kg body weight of 226Ra. The selected bone areas were examined in animals killed 2 hours to 28 days after the injection of nuclide. It was ascertained that changes in the relative labelling index are depending on the absorbed doses of alpha radiation. The possible relevance of these experimental findings for the explanation of the osteosarcoma induction and localization is discussed.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 3","pages":"232-40"},"PeriodicalIF":0.0,"publicationDate":"1977-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133942","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11482566","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
Effect of local irradiation on the acute rejection process in transplanted kidneys. 局部照射对移植肾急性排斥反应的影响。
Acta radiologica: therapy, physics, biology Pub Date : 1977-06-01 DOI: 10.3109/02841867709133943
B Drenguis, T Griffin, A Gerdes, T Marchioro
{"title":"Effect of local irradiation on the acute rejection process in transplanted kidneys.","authors":"B Drenguis,&nbsp;T Griffin,&nbsp;A Gerdes,&nbsp;T Marchioro","doi":"10.3109/02841867709133943","DOIUrl":"https://doi.org/10.3109/02841867709133943","url":null,"abstract":"<p><p>The graft in 178 renal transplant patients was irradiated in an effort to halt acute rejection phenomena. Of the patients, 61 per cent received their transplant from either a sibling, parent or child and 38 per cent received cadaveric kidneys. Of the irradiated kidneys 61 per cent were functioning at 6 months, 58 per cent at 12 months and 49 per cent at 18 months. The rational for irradiation of transplanted kidneys with acute rejection is discussed.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 3","pages":"241-4"},"PeriodicalIF":0.0,"publicationDate":"1977-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133943","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11546123","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
Isotope nephrography in carcinoma of the uterine cervix stage I B. 同位素肾造影在子宫颈癌I期诊断中的应用。
Acta radiologica: therapy, physics, biology Pub Date : 1977-06-01 DOI: 10.3109/02841867709133939
K E Kjörstad, O Börmer, P Martimbeau
{"title":"Isotope nephrography in carcinoma of the uterine cervix stage I B.","authors":"K E Kjörstad,&nbsp;O Börmer,&nbsp;P Martimbeau","doi":"10.3109/02841867709133939","DOIUrl":"https://doi.org/10.3109/02841867709133939","url":null,"abstract":"<p><p>Isotope nephrography was performed in 90 cases of carcinoma of the uterine cervix stage I B before radical hysterectomy with pelvic lymph node dissection. Ureteric involvement was indicated in 15 patients, 10 of these had metastases to the pelvic lymph nodes. The overall metastases detection rate was 55 per cent.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 3","pages":"219-23"},"PeriodicalIF":0.0,"publicationDate":"1977-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133939","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12090652","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
Effect of radioprotective aminothiols on the induction and repair of single-strand breaks in the DNA of irradiated mammalian cells. 辐射防护氨基硫醇对受辐射哺乳动物细胞DNA单链断裂诱导和修复的影响。
Acta radiologica: therapy, physics, biology Pub Date : 1977-06-01 DOI: 10.3109/02841867709133944
H G Modig, M Edgren, L Révész
{"title":"Effect of radioprotective aminothiols on the induction and repair of single-strand breaks in the DNA of irradiated mammalian cells.","authors":"H G Modig,&nbsp;M Edgren,&nbsp;L Révész","doi":"10.3109/02841867709133944","DOIUrl":"https://doi.org/10.3109/02841867709133944","url":null,"abstract":"<p><p>The effect of cysteamine and 2-mercapto-propionyl-glycine on the induction and repair of single-strand breaks in the DNA of Chinese hamster cells by irradiation in vitro in the presence of oxygen or in anoxia was investigated. The substances protected against the formation of breaks by irradiation both under oxic and anoxic conditions. The substances also exhibited a toxic effect which resulted in degradation of DNA. Cysteamine inhibited the rejoining of breaks after radiation exposure.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 3","pages":"245-56"},"PeriodicalIF":0.0,"publicationDate":"1977-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133944","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12090655","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: 16
75Se-Selenite scrintigraphy in the clinical staging of malignant lymphomas. 硒-亚硒酸盐缮写术在恶性淋巴瘤临床分期中的应用。
Acta radiologica: therapy, physics, biology Pub Date : 1977-05-01 DOI: 10.3109/02841867709133936
D Killander, D Lindblom, G Lundell
{"title":"75Se-Selenite scrintigraphy in the clinical staging of malignant lymphomas.","authors":"D Killander,&nbsp;D Lindblom,&nbsp;G Lundell","doi":"10.3109/02841867709133936","DOIUrl":"https://doi.org/10.3109/02841867709133936","url":null,"abstract":"<p><p>The value of 75Se-selenite scintigraphy in clinical staging was investigated in 45 patients with Hodgkin's disease and in 28 patients with non-Hodgkin's lymphoma. Of these, 9 patients had recurrence of previously treated lymphomas. The scintigraphic results were compared with clinical, cytologic, histologic and radiographic findings in different anatomic regions. 75Se-selenite scintigraphy resulted in 6 to 20 per cent false negative findings, 15 to 43 per cent false positive and 12 to 20 per cent equivocal evaluations, the accuracy being least in the abdominal region. The relatively high rediation dose delivered by 75Se-selenite, furthermore, makes it less attractive for use in the primary diagnosis of malignant lymphomas.</p>","PeriodicalId":7139,"journal":{"name":"Acta radiologica: therapy, physics, biology","volume":"16 1","pages":"81-5"},"PeriodicalIF":0.0,"publicationDate":"1977-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/02841867709133936","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12054630","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: 0
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