{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T13:05:45Z","timestamp":1777727145749,"version":"3.51.4"},"reference-count":18,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T00:00:00Z","timestamp":1769904000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T00:00:00Z","timestamp":1769904000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Shenzhen High-level Hospital Construction Fund and Peking University Shenzhen Hospital Scientific Research Fund","award":["NO.KYQD2023302"],"award-info":[{"award-number":["NO.KYQD2023302"]}]},{"DOI":"10.13039\/501100021171","name":"Guangdong Basic and Applied Basic Research Foundation","doi-asserted-by":"crossref","award":["NO.2024A1515010486"],"award-info":[{"award-number":["NO.2024A1515010486"]}],"id":[{"id":"10.13039\/501100021171","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["NO.2023YFC3402605"],"award-info":[{"award-number":["NO.2023YFC3402605"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"name":"the General Program for Clinical Research at Peking University Shenzhen Hospital","award":["NO.LCYJ2021003"],"award-info":[{"award-number":["NO.LCYJ2021003"]}]},{"DOI":"10.13039\/501100012151","name":"Sanming Project of Medicine in Shenzhen","doi-asserted-by":"crossref","award":["NO.SZSM202111011"],"award-info":[{"award-number":["NO.SZSM202111011"]}],"id":[{"id":"10.13039\/501100012151","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Dermatofibrosarcoma protuberans is a low-to-intermediate\u2013grade malignancy with high postoperative recurrence risk. It is often misdiagnosed as superficial venous malformation due to nonspecific manifestations and clinical features similar to those of other soft tissue tumors. Ultrasound examination is crucial for dermatofibrosarcoma protuberans evaluation; however, its value in differentiating dermatofibrosarcoma protuberans from superficial venous malformation remains underinvestigated.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective study analyzed and compared the clinical and ultrasonographic features between 41 histopathologically confirmed dermatofibrosarcoma protuberans cases and 41 superficial venous malformation cases. Clinical data included sex, age, tumor size, and location. Ultrasound findings were categorized into five types, and the following features were evaluated: shape, boundary, pattern, invasion depth, and vascularity.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The dermatofibrosarcoma protuberans tissues had significantly larger maximum diameters than superficial venous malformations (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009&lt;\u20090.05). Anatomically, dermatofibrosarcoma protuberans predominantly occurred on the trunk, while superficial venous malformations were more common on the extremities (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009&lt;\u20090.05). Dermatofibrosarcoma protuberans tissues mostly invaded both dermis and hypodermis, whereas superficial venous malformations primarily involved the hypodermis\n                      <jats:italic toggle=\"yes\">(p\u2009&lt;\u2009<\/jats:italic>\n                      0.05). Dermatofibrosarcoma protuberans tissues had clearer boundaries (\n                      <jats:italic toggle=\"yes\">p\u2009&lt;\u2009<\/jats:italic>\n                      0.05) and were more likely to show hyperechoic cord-like structures (type 4), while superficial venous malformations frequently presented network structures (type 3) (\n                      <jats:italic toggle=\"yes\">p\u2009&lt;\u2009<\/jats:italic>\n                      0.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Ultrasound can provide valuable morphological features to assist in the differential diagnosis of dermatofibrosarcoma protuberans and superficial venous malformation, improving preoperative assessment accuracy and guiding treatment planning.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03000605261421394","type":"journal-article","created":{"date-parts":[[2026,2,17]],"date-time":"2026-02-17T00:27:55Z","timestamp":1771288075000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Ultrasonic manifestation of dermatofibrosarcoma protuberans and differential diagnosis from superficial venous malformation: A retrospective study"],"prefix":"10.1177","volume":"54","author":[{"given":"Nan","family":"Zhuang","sequence":"first","affiliation":[{"name":"Peking University Shenzhen hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhaoling","family":"Yi","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen hospital"},{"name":"Peking University Shenzhen Clinical Institute of Shenzhen University Medical College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ennuo","family":"Ma","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen hospital"},{"name":"Peking University Shenzhen Clinical Institute of Shantou University Medical College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruixiang","family":"Yin","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen hospital"},{"name":"Peking University Shenzhen Clinical Institute of Shenzhen University Medical College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yusen","family":"Zhang","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chenyang","family":"Zhao","sequence":"additional","affiliation":[{"name":"The Islands Healthcare Complex - Macao Medical Center of Peking Union Medical College Hospital, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Heng","family":"Lv","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lu","family":"Xie","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yun","family":"Tian","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mengying","family":"Liao","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Huanyu","family":"Liu","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Desheng","family":"Sun","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tan","family":"Li","sequence":"additional","affiliation":[{"name":"The Islands Healthcare Complex - Macao Medical Center of Peking Union Medical College Hospital, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Feng","family":"Wang","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen Hospital"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4476-9957","authenticated-orcid":false,"given":"Haiqin","family":"Xie","sequence":"additional","affiliation":[{"name":"Peking University Shenzhen hospital"},{"name":"Peking University Shenzhen Clinical Institute of Shenzhen University Medical College, China"},{"name":"Peking University Shenzhen Clinical Institute of Shantou University Medical College, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2026,2,16]]},"reference":[{"key":"e_1_3_7_2_2","first-page":"414","article-title":"Histologic features associated with deep invasion in dermatofibrosarcoma protuberans","volume":"107","author":"Serra-Guill\u00e9n C","year":"2016","unstructured":"Serra-Guill\u00e9n C, Llombart B, Nagore E, et\u00a0al. Histologic features associated with deep invasion in dermatofibrosarcoma protuberans. 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