{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T14:46:41Z","timestamp":1787755601754,"version":"build-2784847793"},"reference-count":23,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:sec>\n                    <jats:title>Case:<\/jats:title>\n                    <jats:p>An otherwise healthy 13-year-old girl presented with a firm nodule on the plantar right forefoot that was tender after cheerleading. Initial workup was unremarkable, but magnetic resonance imaging revealed a multilobulated mass surrounding the flexor hallucis longus tendon. Surgical resection revealed a tenosynovial mass without tendon infiltration. Pathologic examination was consistent with tenosynovial giant cell tumor. The patient resumed cheerleading and remained asymptomatic after 1 year.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>As far as we know, this is the first report of a tenosynovial giant cell tumor of the flexor hallucis longus in a pediatric patient; it illustrates the importance of considering this lesion when diagnosing a pediatric plantar mass.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2106\/jbjs.cc.19.00519","type":"journal-article","created":{"date-parts":[[2020,5,25]],"date-time":"2020-05-25T23:57:09Z","timestamp":1590451029000},"page":"e0519-e0519","source":"Crossref","is-referenced-by-count":0,"title":["Pediatric Tenosynovial Giant Cell Tumor of the Flexor Hallucis Longus Tendon Sheath"],"prefix":"10.2106","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6061-7983","authenticated-orcid":false,"given":"Richard D.","family":"Williams","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, University of South Alabama, Mobile, Alabama"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6238-778X","authenticated-orcid":false,"given":"M. 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