{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T14:26:02Z","timestamp":1791901562180,"version":"4.3.4"},"reference-count":24,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2007,11,10]],"date-time":"2007-11-10T00:00:00Z","timestamp":1194652800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Microsurgery"],"published-print":{"date-parts":[[2008,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The purpose of this study was to describe microsurgical anatomy of the dorsal root entry zone (DREZ) and provide an anatomic basis for the approach of DREZ lesion in treating radiculopathy of brachial plexus avulsion injuries. We studied 100 dorsal cervical roots and DREZ\/posterior horn complexes in 20 adult cadavers. At each root level the following data were recorded: widths of laminectomy, numbers of posterior rootlets, angle of the inferior rootlets with the spinal cord, and distance from posterior median sulcus to posterolateral sulcus. On cross\u2010sectional plane, the length and width of dorsal horn and the angle between longitudinal axis of dorsal horn and sagittal plane of spinal cord were measured. The results showed that the spinal cord segment and the entry of dorsal roots from C5 to T1 were exposed clearly after laminectomy from C4 to C7. The average number of roolets of C5\u2010T1 roots was about 7.76 and C6 has the most. From up to down, the angle from the inferior rootlet to spinal cord of C5\u2010T1 diminished gradually. The average distance from posterior median sulcus to posterolateral sulcus was 2.95 mm. The average length, width, and angle of posterior horn were 3.47 mm, 1.346 mm, and 35.9\u00b0, respectively. Our study demonstrated that the spinous process and lamina of the C4 to C7 vertebrae should be resected to expose the C5\u2010T1 when DREZ lesions are employed to treat pain after brachial plexus avulsion. The lesion\u2010making apparatus should be inserted at an angle of 30\u00b0\u201340\u00b0, the width of lesion should be less than 1.2 mm and the lesion depth less than 3.1 mm. \u00a9 2007 Wiley\u2010Liss, Inc. Microsurgery, 2008.<\/jats:p>","DOI":"10.1002\/micr.20438","type":"journal-article","created":{"date-parts":[[2007,11,10]],"date-time":"2007-11-10T21:46:32Z","timestamp":1194731192000},"page":"17-20","source":"Crossref","is-referenced-by-count":22,"title":["Microsurgical anatomy of dorsal root entry zone of brachial plexus"],"prefix":"10.1002","volume":"28","author":[{"given":"Jian\u2010Ping","family":"Xiang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao\u2010Ling","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yang\u2010Bing","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian\u2010Yun","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Hu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2007,11,10]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"crossref","first-page":"417","DOI":"10.1302\/0301-620X.59B4.925052","article-title":"Complete brachial plexus lesions","volume":"59","author":"Ransford 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