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see neoplasmneoplasm
or tumor,
tissue composed of cells that grow in an abnormal way. Normal tissue is growth-limited, i.e., cell reproduction is equal to cell death. Feedback controls limit cell division after a certain number of cells have developed, allowing for tissue repair
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The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a limited benign tumor (sometimes multiple) consisting of fatty tissue.

Lipomas generally develop on the back, neck, and anterior abdominal wall. They vary in density and in size, from that of a hazelnut to that of the head of a grown man. Lipomas usually do not impair any function; generally, they are removed for cosmetic reasons.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


A benign tumor composed of fat cells.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Elsner, "Chronic monoarthritis due to lipoma arborescens," Journal of Rheumatology, vol.
Watt, "Lipoma arborescens of the knee," British Journal of Radiology, vol.
Johnson, "In vivo MRI characteristics of lipoma arborescens utilizing fat suppression and contrast administration," Journal of Computer Assisted Tomography, vol.
Williams, "Lipoma arborescens of the hip," The American Journal of Orthopedics, vol.
Panuel, "Lipoma arborescens of the elbow: a case report," Journal of Hand Surgery, vol.
Chen, "Tenosynovial lipoma arborescens of the ankle in a child," Skeletal Radiology, vol.
Progressive bilateral lipoma arborescens of the knee complicated by juvenile spondyloarthropathy: a case report and review of the literature.
Lipoma arborescens; successfully treated by yttrium-90 radiosynovectomy.
Lipoma arborescens is a rare, mainly intra-articular lesion characterized by diffuse replacement of subsynovial tissue by mature fat cells, giving rise to a prominent villous transformation of the synovium [2].
Lipoma arborescens usually affects the knee, preferentially the suprapatellar pouch, but has also been reported to occur in other joints such as the hip [5], wrist [8], elbow [9], and shoulder [10].
Lipoma arborescens is usually located in the suprapatellar recess.
Lipoma arborescens: highresolution ultrasonographic findings.