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Revista argentina de dermatología
On-line version ISSN 1851-300X
Abstract
HUCZAK, L and DRIBAN, N E. Lipoma and Lipomatosis. Rev. argent. dermatol. [online]. 2007, vol.88, n.1, pp.56-66. ISSN 1851-300X.
Lipomas are benign tumors componed of mature fat cells. They are the most common benign mesenchymal tumor. Lipomas are found in the subcutaneous tissues and, less commonly, in internal organs. They usually present with little difficulty in diagnosis or morbidity. Lipomas typically develop as discrete rubbery masses in the subcutaneous tissues of the trunk and proximal extremity. Are the most common neoplasms of subcutaneous and deep soft tissues in adults. Most cutaneous signatures and someone syndromes are anatomically more complex and can associated with an underlying lipoma. In recent years a number of "new" entities and variants have been described. Their recognition is important to avoid diagnostic pitfalls and inappropriare therapy. Chondroid lipoma, myolipoma, and purely cutaneous spindle-cell/pleomorphic lipoma are biologically benign neoplasms which may mimic sarcomas morphologically. The advent of cytogenetic and molecular investigations of lipomatous neoplasms has contributed to a better understanding of the biology of these neoplasms and led to a modification of conventional classification schemes.
Keywords : Beningn tumors; Subcutaneous tissues; Mature fat cells.