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A sarcoma is a malignant tumor, a type of cancer that arises from cells of mesenchymal (connective tissue) origin. [1] [2] Connective tissue is a broad term that includes bone, cartilage, muscle, fat, vascular, or other structural tissues, and sarcomas can arise in any of these types of tissues.
Ewing sarcoma is a type of pediatric cancer [5] that forms in bone or soft tissue. [1] Symptoms may include swelling and pain at the site of the tumor, fever , and a bone fracture . [ 2 ] The most common areas where it begins are the legs, pelvis , and chest wall. [ 4 ]
Spindle cell sarcoma is a type of connective tissue cancer. The tumors generally begin in layers of connective tissue , as found under the skin, between muscles, and surrounding organs, and will generally start as a small, inflamed lump, which grows in size.
Kaposi's sarcoma (KS) is a type of cancer that can form masses on the skin, in lymph nodes, in the mouth, or in other organs. [ 4 ] [ 6 ] The skin lesions are usually painless, purple and may be flat or raised.
It is a sarcoma arising from the lining of blood vessels; that is, blood-filled channels and spaces are commonly observed microscopically. A frequent cause of death is the rupturing of this tumor, causing the patient to rapidly bleed to death. The term "angiosarcoma", when used without a modifier, usually refers to hemangiosarcoma. [2]
A Death Clock app calculates mortality factors to help push people into healthy changes. Its intention is to serve as a wake-up call — before it is too late to make meaningful changes.
Rhabdomyosarcoma is the most common soft-tissue sarcoma in children as well as the third most common solid tumor in children. Recent estimates place the incidence of the disease at approximately 4.5 case per 1 million children/adolescents with approximately 250 new cases in the United States each year.
An osteosarcoma (OS) or osteogenic sarcoma (OGS) is a cancerous tumor in a bone. Specifically, it is an aggressive malignant neoplasm that arises from primitive transformed cells of mesenchymal origin (and thus a sarcoma ) and that exhibits osteoblastic differentiation and produces malignant osteoid .