One of the most common soft tissue tumors will be lipomas. They will form from lobulated, soft masses that will be enclosed in a fibrous, thin capsule, slowing growing in a life threatening disease. There has been hypothesizes that limpomas can undergo sarcomatous changes but it never has happened, studies showing that it is quite risky to perform such a procedure due to the nature of the on growing tissue.
Lipomas are most probable at the benign chain of the tumors that will surely include at its malignant end liposarcomas. Due to the location of their encounter, in the subcutaneous region, scientist studied most this kind of developing situation.
There have been cases where it was found in retroperitoneal, intramuscular and gastrointestinal region but the same treatment was applied and by making a comparison, no significant changes where proven.
Pang et al has compared results in almost 250 patients that undertook near-total or total resection for transitional, dorsal, or chaotic spinal cord lipomas with the total reconstruction of the neural placode. The research showed that there was a rate of 95% of immediate stabilization and an improvement in 70% of the cases with a mere rate of 2.5% complications in total and near total resections having as a comparison the 6.9% for the partial resections.
Lipomas will be catalogues as different from the other tumors and masses. Due the location, the first diagnosis will be an abscess or a sebaceous cyst. These kinds of masses are also subcutaneous and rounded but are different in comparison with lipomas by the central punctum characteristics and the indurations of the surrounding. The treatment will always be the removal of the small ellipse of the overlying skin, trying to avoid the entrance of the cyst.
There are also atypical lipomatous tumors and although they will have as a prediction the reappearance in the same region, generally they will not metastasize. When the doctor will find a fatty tumor in the retroperitoneal location or the intramuscular region, such a diagnosis must be considered.
They will develop due to the growth of the adipocytes. In the breast, this mass will become radiolucent and it must be differentiated from the mammary hamartoma or pseudolipoma, which will be a very small mass tissue that will surround scirrhous cancer.
Lipomas will occur in only 1% of the population, statistics showing that although it may be such a low risk mass, if not correctly treated, will have maximum chances to reappear and be much riskier then at first. Most of them will be removed due to cosmetic reasons, being physically altering and most of them will be benign.
There are speculations made that trauma may be directly linked to the development of lipomas but until now there have been no studies that will strongly support this theory, leaving this kind of mass in a masses of theories that hopefully in the future will be discovered. While the thorough etiology of lipomas has remained uncertain, treatment and the removal of such masses has become a world know procedure, recommended at once after diagnosis.
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