Benign Adipose Soft Tissue Tumors. The tumor consisted largely of mature adipose tissue (black star) with surrounded by a thin layer vascularized fibrous tissue (black arrows). There was mature trabecular bone (white star) within the adipose tissue. (Hematoxylin & Eosin 100× magnification).Osteolipoma independent of bone tissue: a case report. Demiralp B, Alderete JF, Kose O, Ozcan A, Cicek I, Basbozkurt M - Cases journal (2009) Not Altered. CC.