Lipoma-like Liposarcoma with Osteosarcomatous Dedifferentiation of the Chest Wall: A Case Report.
10.13104/jksmrm.2011.15.3.251
- Author:
Hyun ju LIM
1
;
Chang Ho KANG
;
Chul Hwan KIM
Author Information
1. Department of Radiology, College of Medicine, Korea University, Korea. mallecot@hanmail.net
- Publication Type:Case Report
- Keywords:
Dedifferentiation;
Liposarcoma;
Osteosarcoma;
Chest wall
- MeSH:
Humans;
Liposarcoma;
Middle Aged;
Myositis Ossificans;
Osteosarcoma;
Thoracic Wall;
Thorax
- From:Journal of the Korean Society of Magnetic Resonance in Medicine
2011;15(3):251-256
- CountryRepublic of Korea
- Language:English
-
Abstract:
We report a case of liposarcoma with osteosarcomatous dedifferentiation of the chest wall in a 58-year-old man, which had been initially mistaken as myositis ossificans. CT and MRI demonstrated a soft tissue mass consisting of two components: a non-lipomatous area with amorphous calcification/ossification and a well-encapsulated fatty component. Based on local excision in the non-lipomatous area, myositis ossificans was initially diagnosed. As the mass was gradually enlarging, however, wide excision including the fatty component was performed and histological assessment revealed lipoma-like, well-differentiated liposarcoma with high-grade osteosarcomatous dedifferentiation. Here, we describe the radiological-pathological features of this rare neoplasm.
