RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58093442 T1 Lipoma T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58093442 RD 2024/04/19 AB • Lipomas are slow growing, benign adipose tumors, most often found in the subcutaneous tissues• Lipomas also occur in the deeper tissues such as the intramuscular septa, thoracic cavity, abdominal organs, and the GI tract• Histologically, lipomas are composed of mature adipocytes arranged in lobules, surrounded by a fibrous capsule• Infiltrating lipomas are non-encapsulated benign lesions with extensions into muscle• Variants of lipomas include angiolipoma, pleomorphic lipoma, spindle cell lipoma, and adenolipoma