{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,27]],"date-time":"2025-08-27T14:40:01Z","timestamp":1756305601398,"version":"3.44.0"},"reference-count":10,"publisher":"BMJ","issue":"1","license":[{"start":{"date-parts":[[2018,11,1]],"date-time":"2018-11-01T00:00:00Z","timestamp":1541030400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.bmj.com\/company\/legal-information\/terms-conditions\/legal-information\/tdm-licencepolicy"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2018,11,1]]},"published-print":{"date-parts":[[2018,11]]},"abstract":"<jats:p>A giant epidermal cyst is a benign soft tissue mass commonly involving the trunk, hand and face. The authors report a rare presentation of a 69-year-old man who presented with a painful, slow-growing left arm mass for 30 years duration. Examination revealed a large, mobile, soft tissue mass of the lateral aspect of the left arm. MRI showed a large, cystic left arm soft tissue mass. The mass was excised and the diagnosis of a giant epidermal cyst was made based on imaging and histopathology after surgical resection. The mass measured 9.5\u2009cm x 8\u2009cm x 4\u2009cm, which is the largest reported giant epidermal cyst of the upper extremity.<\/jats:p>","DOI":"10.1136\/bcr-2018-227615","type":"journal-article","created":{"date-parts":[[2018,12,18]],"date-time":"2018-12-18T17:19:47Z","timestamp":1545153587000},"page":"e227615","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Giant epidermal cyst of the arm: a rare presentation"],"prefix":"10.1136","volume":"11","author":[{"given":"Shaan","family":"Patel","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, University of South Florida, Tampa, Florida, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Key Yan","family":"Tsoi","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, University of South Florida, Tampa, Florida, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"George","family":"Joseph","sequence":"additional","affiliation":[{"name":"Department of Hand Surgery, James A Haley Veterans Hospital, Tampa, Florida, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2018,11,28]]},"reference":[{"key":"2025082707211224000_11.1.e227615.1","unstructured":"Netscher DT . \u201cSkin Tumors of the Hand and Upper Extremity.\u201d Green\u2019s Operative Hand Surgery . 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