{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T19:09:21Z","timestamp":1777662561032,"version":"3.51.4"},"reference-count":12,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2024,8,14]],"date-time":"2024-08-14T00:00:00Z","timestamp":1723593600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Hand (New York, N,Y.)"],"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:p>Glenoid bone loss from an infiltrating intramuscular lipoma causing erosive changes is a rare occurrence. A 71-year-old woman with symptomatic rotator cuff arthropathy in the setting of an intramuscular infiltrating lipoma and secondary glenoid bone loss was treated with single-stage tumor excision and reverse total shoulder arthroplasty (rTSA) using an injectable, hard self-setting calcium phosphate as structural bone graft substitute. The patient demonstrated excellent clinical and radiographic outcomes at 2-year follow-up. Infiltrating lipomas resulting in functional rotator cuff arthropathy and erosive osseous glenoid changes are exceedingly rare, yet significant glenoid bony defects present a challenge in the setting of shoulder arthroplasty. This report describes the use of structural bone graft substitute for the management of a glenoid bone defect from a rare case of an intramuscular infiltrating lipoma, while maintaining excellent improvement in functional outcomes and pain after rTSA.<\/jats:p>","DOI":"10.1177\/15589447241267784","type":"journal-article","created":{"date-parts":[[2024,8,15]],"date-time":"2024-08-15T02:04:05Z","timestamp":1723687445000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Reverse Total Shoulder Arthroplasty in the Setting of an Intramuscular Lipoma With Extension Into the Glenoid: A Case Report"],"prefix":"10.1177","volume":"20","author":[{"given":"B. 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Bone grafting the glenoid versus use of augmented glenoid baseplates with reverse shoulder arthroplasty. 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