{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T21:32:30Z","timestamp":1791495150996,"version":"4.3.4"},"reference-count":27,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2019,2,27]],"date-time":"2019-02-27T00:00:00Z","timestamp":1551225600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Muscle and Nerve"],"published-print":{"date-parts":[[2019,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p><jats:italic>Introduction<\/jats:italic>: Piriformis muscle syndrome (PS) is a disorder encompassing a constellation of symptoms, including buttock and hip pain. In this study we aimed to assess the value of ultrasound (US) in the diagnosis of PS. <jats:italic>Methods<\/jats:italic>: Thirty\u2010three clinically diagnosed PS patients and 26 healthy volunteers underwent a clinical PS scoring examination and US and MRI assessment of the bilateral piriformis muscles. The areas under the receiver operating characteristic curves (AUROCs) of the US parameters (i.e., increased thickness [iTh] and increased cross\u2010sectional area [iCSA]) for piriformis muscle were evaluated. <jats:italic>Results<\/jats:italic>: On US and MRI, the thickness and CSA were increased in PS patients. The AUROCs for the iTh and iCSA for discriminating stage 0 (healthy volunteers) from stage 1 through stage 3 (PS patients) were 0.88 and 0.95, respectively. <jats:italic>Discussion<\/jats:italic>: US may be a reliable technique for the clinical diagnosis of PS. <jats:italic>Muscle Nerve<\/jats:italic> 59:411\u2013416, 2019<\/jats:p>","DOI":"10.1002\/mus.26418","type":"journal-article","created":{"date-parts":[[2019,1,21]],"date-time":"2019-01-21T04:04:11Z","timestamp":1548043451000},"page":"411-416","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Ultrasound appears to be a reliable technique for the diagnosis of piriformis syndrome"],"prefix":"10.1002","volume":"59","author":[{"given":"Wenhua","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Ultrasound Qianfoshan Hospital Affiliated to Shandong University, No. 16766 Jingshi Road, 250014  Jinan Shandong Province China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fangqiong","family":"Luo","sequence":"additional","affiliation":[{"name":"Department of Ultrasound Qianfoshan Hospital Affiliated to Shandong University, No. 16766 Jingshi Road, 250014  Jinan Shandong Province China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongjun","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Ultrasound Qianfoshan Hospital Affiliated to Shandong University, No. 16766 Jingshi Road, 250014  Jinan Shandong Province China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongyu","family":"Ding","sequence":"additional","affiliation":[{"name":"Department of Ultrasound Qianfoshan Hospital Affiliated to Shandong University, No. 16766 Jingshi Road, 250014  Jinan Shandong Province China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,2,27]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12630-013-0009-5"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.3390\/toxins7083045"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.10482"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.14366\/usg.14039"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1533-2500.2012.00585.x"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1249\/JSR.0000000000000110"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.rehab.2013.04.003"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinbiomech.2005.09.002"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00590-017-2031-8"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.25504"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.5535\/arm.2015.39.6.1042"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.diii.2014.02.015"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1097\/MD.0000000000001504"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2006.07.258"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.pmr.2011.11.009"},{"key":"e_1_2_6_17_1","doi-asserted-by":"crossref","first-page":"687","DOI":"10.36076\/ppj.2007\/10\/687","article-title":"Piriformis muscle injection using ultrasonography and motor stimulation\u2014report of a technique","volume":"10","author":"Huerto AP","year":"2007","journal-title":"Pain Physician"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.redar.2016.02.008"},{"key":"e_1_2_6_19_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1526-4637.2012.01387.x"},{"key":"e_1_2_6_20_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00590-016-1853-0"},{"key":"e_1_2_6_21_1","first-page":"893836","article-title":"Piriformis syndrome in fibromyalgia: clinical diagnosis and successful treatment","volume":"2014","author":"Siddiq MA","year":"2014","journal-title":"Case Rep Rheumatol"},{"key":"e_1_2_6_22_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.21318"},{"key":"e_1_2_6_23_1","doi-asserted-by":"publisher","DOI":"10.5414\/NPP29065"},{"key":"e_1_2_6_24_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00586-010-1504-9"},{"key":"e_1_2_6_25_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jsams.2014.06.011"},{"key":"e_1_2_6_26_1","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-199907000-00006"},{"key":"e_1_2_6_27_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00256-015-2124-6"},{"key":"e_1_2_6_28_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.pmrj.2015.09.005"}],"container-title":["Muscle &amp; 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