What is a solitary tumor?
Solitary fibrous tumors are rare growths of soft tissue cells that can form nearly anywhere in the body. Solitary fibrous tumors most often occur in the lining around the outside of the lungs (pleural solitary fibrous tumors).
What causes fibrous tumors?
Benign Fibrous Tumors of the Pleura. The pleura is the smooth, pale yellow transparent membrane that lines the thorax and protects the lungs. The most common tumors that occur in the pleura are cancerous forms of mesothelioma caused by exposure to asbestos.
WHO classification solitary fibrous tumors?
SFT is classified as an intermediate (rarely metastasizing) tumor according to World Health Organization Classification of Tumors of Soft tissue and Bone, 5th edition. The management and prognosis of SFT differs from its malignant mimics and correct diagnosis is therefore important.
What causes solitary fibrous tumors?
Abstract: A solitary fibrous tumor (SFT) is a rare spindle cell tumor-derived from mesenchymal cells. It may be linked to the fusion of the NAB2-STAT6 gene caused by 12q chromosome rearrangement. It can occur in the connective tissue of any part of the body; however, it is most common in the pleura.
How rare is a solitary fibrous tumor?
Introduction. Solitary fibrous tumor (SFT) is a rare soft tissue neoplasm, with an incidence of about 0,2/100.000/years. It was called “haemangiopericytoma” by Stout and Murray in 1942.
What is the difference between a tumor and a mass?
The word tumor simply means a mass. Tumor is therefore a general term that can refer to benign or malignant growths. Benign tumors are non-malignant/non-cancerous tumors. A benign tumor is usually localized, and does not spread to other parts of the body.
What is a fibrosis tumor?
Fibroids are tumors made of smooth muscle cells and fibrous connective tissue. They develop in the uterus. It is estimated that 70 to 80 percent of women will develop fibroids in their lifetime — however, not everyone will develop symptoms or require treatment.
Is a solitary fibrous tumor a sarcoma?
Background. Solitary fibrous tumour (SFT) is a rare soft tissue sarcoma with a low metastatic potential.
What does it mean when you have a mass?
Listen to pronunciation. (mas) In medicine, a lump in the body. It may be caused by the abnormal growth of cells, a cyst, hormonal changes, or an immune reaction. A mass may be benign (not cancer) or malignant (cancer).
What does mass like mean?
masslike (comparative more masslike, superlative most masslike) Resembling or characteristic of a mass. a masslike image on an X-ray.
What is fibrotic mass?
Fibrosis is the growth of excess connective tissue, which causes a mass to form. This often causes compression and blockage of the ureters, which are the tubes that carry urine from your kidneys to your bladder. Tissue masses can block one or both of your ureters.
What is the meaning of fibromatosis?
Listen to pronunciation. (FY-broh-muh-TOH-sis) A condition in which multiple fibromas develop. Fibromas are tumors (usually benign) that affect connective tissue.