{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T20:32:56Z","timestamp":1786739576208,"version":"build-2736575974"},"reference-count":47,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","license":[{"start":{"date-parts":[[2020,9,22]],"date-time":"2020-09-22T00:00:00Z","timestamp":1600732800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:p>\n                    Conventional radiotherapy has a good killing effect on femoral echinococcosis. However, the sciatic nerve around the lesion is irreversibly damaged owing to bystander effects. Although intensity-modulated radiation therapy shows great advantages for precise dose distribution into lesions, it is unknown whether intensity-modulated radiation therapy can perfectly protect the surrounding sciatic nerve on the basis of good killing of femoral echinococcosis foci. Therefore, this study comparatively analyzed differences between intensity-modulated radiation therapy and conventional radiotherapy on the basis of safety to peripheral nerves. Pure-breed\n                    <jats:italic toggle=\"yes\">Meriones meridiani<\/jats:italic>\n                    with bilateral femoral echinococcosis were selected as the research object. Intensity-modulated radiation therapy was used to treat left femoral echinococcosis of Meriones meridianus, while conventional radiotherapy was used to treat right femoral echinococcosis of the same Meriones meridianus. The total radiation dose was 40 Gy. To understand whether intensity-modulated radiation therapy and conventional radiotherapy can kill femoral echinococcosis, trypan blue staining was used to detect pathological changes of bone\n                    <jats:italic toggle=\"yes\">Echinococcus granulosus<\/jats:italic>\n                    and protoscolex death after radiotherapy. Additionally, enzyme histochemical staining was utilized to measure acid phosphatase activity in the protoscolex after radiotherapy. One week after radiotherapy, the overall structure of echinococcosis in bilateral femurs of\n                    <jats:italic toggle=\"yes\">Meriones meridiani<\/jats:italic>\n                    treated by intensity-modulated radiation therapy disappeared. There was no significant difference in the mortality rate of protoscoleces of\n                    <jats:italic toggle=\"yes\">Echinococcus granulosus<\/jats:italic>\n                    between the bilateral femurs of\n                    <jats:italic toggle=\"yes\">Meriones meridiani<\/jats:italic>\n                    . Moreover, there was no significant difference in acid phosphatase activity in the protoscolex of\n                    <jats:italic toggle=\"yes\">Echinococcus granulosus<\/jats:italic>\n                    between bilateral femurs. To understand the injury of sciatic nerve surrounding the foci of femoral echinococcosis caused by intensity-modulated radiation therapy and conventional radiotherapy, the ultrastructure of sciatic nerves after radiotherapy was observed by transmission electron microscopy. Additionally, apoptosis of neurons was examined using a terminal-deoxynucleotidyl transferase-mediated dUTP nick end labeling assay, and expression of Bcl-2 and Bax in sciatic nerve tissue was detected by immunohistochemical staining and western blot assay. Our results showed that most neurons in the left sciatic nerve of\n                    <jats:italic toggle=\"yes\">Meriones meridiani<\/jats:italic>\n                    with echinococcosis treated by intensity-modulated radiation therapy had reversible injury, and there was no obvious apoptosis. Compared with conventional radiotherapy, the number of apoptotic cells and Bax expression in sciatic nerve treated by intensity-modulated radiation therapy were significantly decreased, while Bcl-2 expression was significantly increased. Our findings suggest that intensity-modulated radiation therapy has the same therapeutic effect on echinococcosis as conventional radiotherapy, and can reduce apoptosis of the sciatic nerve around foci caused by radiotherapy. Experiments were approved by the Animal Ethics Committee of People\u2019s Hospital of Xinjiang Uygur Autonomous Region, China (Approval No. 20130301A41) on March 1, 2013.\n                  <\/jats:p>","DOI":"10.4103\/1673-5374.293153","type":"journal-article","created":{"date-parts":[[2020,9,23]],"date-time":"2020-09-23T06:15:54Z","timestamp":1600841754000},"page":"580-586","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":10,"title":["Effect of intensity-modulated radiation therapy on sciatic nerve injury caused by echinococcosis"],"prefix":"10.4103","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5269-8987","authenticated-orcid":false,"given":"Wan-Long","family":"Xu","sequence":"first","affiliation":[{"name":"Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong Province, 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of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang Uygur Autonomous Region, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wen-Zheng","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang Uygur Autonomous Region, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xi-Bin","family":"Zhao","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang Uygur Autonomous Region, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hao","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang Uygur Autonomous Region, 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