Related Experiment Video
Updated: May 10, 2026

08:52
Modeling Osteosarcoma Using Li-Fraumeni Syndrome Patient-derived Induced Pluripotent Stem Cells
Published on: June 13, 2018
8.8K
Upper Extremity Dedifferentiated Liposarcoma With an Osseus Component: An Uncommon Pathology
Emmanuel Ihionkhan1, Vincent Marcucci2, Victoria Grille2
1Neurosurgery, Hackensack University Medical Center, Hackensack, USA.
Cureus
|December 17, 2024
Summary
Dedifferentiated liposarcoma (DDL), a common soft tissue sarcoma, can rarely form bone. This case highlights a peculiar DDL with an osseous component, expanding sarcoma understanding.
Area of Science:
- Oncology
- Pathology
- Skeletal Biology
Background:
- Liposarcomas represent the most frequent soft tissue sarcomas, predominantly arising in deep soft tissues and the retroperitoneum.
- Dedifferentiated liposarcoma (DDL) is a prevalent subtype, characterized by distinct well-differentiated lipomatous and dedifferentiated non-lipomatous components, often resembling malignant fibrous histiocytoma or fibrosarcoma.
- DDLs exhibit potential for heterologous differentiation into various cancer types and, rarely, metaplastic bone formation.
Related Concept Videos
Bones of the Lower Limb: Femur and Patella
The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the neck...
Bones of the Lower Limb: Tibia and Fibula
The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...
Tissue Transplantation
Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...

