From which tissue does a sarcoma originate?

Sarcomas are cancers that arise from mesenchymal tissue, which includes connective tissues such as bone, cartilage, fat, blood vessels, and soft tissues. This type of cancer is characterized by its origin in the supportive or connective tissues of the body, differentiating it distinctly from carcinomas, which originate from epithelial tissue.

Mesenchymal tissue is involved in providing structure and support throughout the body, and when it undergoes malignant transformation, it leads to the formation of sarcomas. Various subtypes of sarcomas can arise depending on the specific type of mesenchymal tissue affected; examples include osteosarcoma (bone), chondrosarcoma (cartilage), liposarcoma (fat), and rhabdomyosarcoma (muscle).

The other tissue types listed do not give rise to sarcomas. Epithelial tissue, for example, is the source of carcinomas, nervous tissue includes tumors such as gliomas or neuroblastomas, and adipose tissue, while it is a type of connective tissue found in mesenchymal origins, does not independently classify as a distinct tissue from which sarcomas arise. Thus, identifying sarcomas as originating from mesenchymal tissue is critical for understanding their