{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T10:30:00Z","timestamp":1778063400215,"version":"3.51.4"},"reference-count":12,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2020,6,1]],"date-time":"2020-06-01T00:00:00Z","timestamp":1590969600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"National Youth Top-notch Talent Support Program"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2020,6]]},"abstract":"<jats:p>Dermoid cysts are rare benign tumors that arise from ectopic epiblastic inclusions and account for 0.4% to 1.5% of all tumors. They are usually 1 to 5 cm in size and composed of a pasty semisolid material. The orbital dermoid cyst is the most common type. Dermoid cysts can also occur in the spinal cord, ovaries, and pancreas. We encountered a 24-year-old man with a dermoid cyst over the left sternoclavicular joint. He reported intermittent secretion of a white tofu-like exudate from an underlying congenital sinus tract since birth. The secretion had turned hemorrhagic for the last month and had been accompanied by progressive swelling and pruritus for 1 week. Ultrasonography and magnetic resonance imaging revealed characteristics of a dermoid cyst, and histopathological examination confirmed the diagnosis. The patient underwent surgical excision of the cyst under local anesthesia. The incision healed well with no postoperative complications. Considering that a dermoid cyst has the potential to become infected or progress into squamous cell carcinoma, its removal at an early stage is suggested. Few reports in the literature have described a dermoid cyst that secretes hemorrhagic contents from a congenital sinus tract. We present this case to provide a reference for clinicians.<\/jats:p>","DOI":"10.1177\/0300060520934984","type":"journal-article","created":{"date-parts":[[2020,6,26]],"date-time":"2020-06-26T10:54:43Z","timestamp":1593168883000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["Dermoid cyst with a congenital sinus tract over the left sternoclavicular joint: a case report and literature review"],"prefix":"10.1177","volume":"48","author":[{"given":"Wenli","family":"Chang","sequence":"first","affiliation":[{"name":"Department of Hand Surgery, Cangzhou Hospital of Integrated Traditional Chinese Medicine and Western Medicine of Hebei, Cangzhou, Hebei, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yang","family":"Ding","sequence":"additional","affiliation":[{"name":"Department of Pathology, The Third Hospital of Hebei Medical University, Shijiazhuang, P.R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ying","family":"Yan","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, P.R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ning","family":"Wei","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, P.R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Huijie","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, P.R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zekun","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Radiology, The Third Hospital of Hebei Medical University, Shijiazhuang, P.R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6455-0755","authenticated-orcid":false,"given":"Wei","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, P.R. 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