{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T10:54:47Z","timestamp":1790420087609,"version":"4.1.0"},"reference-count":69,"publisher":"Korean Society of Ultrasound in Medicine","issue":"2","license":[{"start":{"date-parts":[[2021,10,25]],"date-time":"2021-10-25T00:00:00Z","timestamp":1635120000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100002649","name":"Yeungnam University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002649","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["e-ultrasonography.org"],"crossmark-restriction":true},"short-container-title":["Ultrasonography"],"published-print":{"date-parts":[[2022,4,1]]},"abstract":"<jats:p>Ultrasonography (US) is a useful diagnostic method that can be easily applied to identify the cause of metatarsalgia. The superficial location of structures in the foot, dynamic capability of US, and the ability to perform direct real-time evaluations of the pain site are also strong advantages of US as a modality for examining the foot. Moreover, knowing the possible pain sources to investigate when a patient has a specific site of pain will enhance the diagnostic quality of US, and will help radiologists to perform US efficiently and effectively. The purpose of this article is to review the common etiologies of metatarsalgia including Morton\u2019s neuroma, plantar plate injury, synovitis, tenosynovitis, bursitis, and metatarsal fractures, and to discuss their US features.<\/jats:p>","DOI":"10.14366\/usg.21193","type":"journal-article","created":{"date-parts":[[2021,10,24]],"date-time":"2021-10-24T23:35:30Z","timestamp":1635118530000},"page":"225-242","update-policy":"https:\/\/doi.org\/10.14366\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["A problem-based approach in musculoskeletal ultrasonography: central metatarsalgia"],"prefix":"10.14366","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1748-0701","authenticated-orcid":true,"given":"Hye Min","family":"Son","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1630-1863","authenticated-orcid":true,"given":"Jee Won","family":"Chai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0033-787X","authenticated-orcid":true,"given":"Yong Hee","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3871-7002","authenticated-orcid":true,"given":"Dong Hyun","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0549-5722","authenticated-orcid":true,"given":"Hyo Jin","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1810-2342","authenticated-orcid":true,"given":"Jiwoon","family":"Seo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2675-3209","authenticated-orcid":true,"given":"Sung Moon","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"5473","reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1002\/acr.23829"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1016\/j.pain.2011.09.019"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1053\/j.jfas.2008.12.005"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1053\/j.jfas.2008.12.004"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1053\/j.jfas.2008.12.003"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1053\/j.jfas.2017.01.052"},{"key":"ref7","first-page":"975","volume-title":"Radiologic evaluation of chronic foot pain","author":"Joong","year":"2007"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1007\/s40477-014-0078-5"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1016\/j.cpm.2010.06.004"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1016\/j.mcna.2013.10.003"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1177\/107110070002100705"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1111\/j.1445-2197.1994.tb02243.x"},{"key":"ref13","first-page":"2191","volume-title":"Sonography of Morton neuromas: what are we really looking at?","author":"Cohen","year":"2016"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-013-2002-6"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1016\/j.fas.2010.07.002"},{"key":"ref16","first-page":"649","volume-title":"Morton's neuroma: is it always symptomatic?","author":"Bencardino","year":"2000"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.2214\/ajr.174.6.1741723"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1177\/107110079301400406"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1016\/j.crad.2014.10.017"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1007\/s00330-015-3633-3"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.171.2.2649918"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1177\/107110079902000303"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1177\/107110079501601003"},{"key":"ref24","first-page":"1121","volume-title":"Technical innovation. 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