Bone
Other tumors of bone
Lipoma


Topic Completed: 1 June 2005

Minor changes: 11 July 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed search: intraosseous lipoma bone

Nat Pernick, M.D.
Page views in 2019: 350
Page views in 2020 to date: 129
Cite this page: Pernick N. Lipoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/bonelipoma.html. Accessed May 30th, 2020.
Definition / general
  • Very rare, usually ages 30s and 40s
  • Often involves calcaneus; also femur, tibia; almost all cases are intramedullary
  • Usually asymptomatic and an incidental finding
Radiology description
  • Sharply outlined lytic lesion with rarefaction of bone, central area of calcification
Radiology images

AFIP images

Intraosseous lipoma

Case reports
Microscopic (histologic) description
  • Mature adipose tissue, no hematopoietic elements
  • Variable hemorrhage, fat necrosis, calcification, reactive bone formation
Microscopic (histologic) images

AFIP images

Intraosseous lipoma

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