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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 It might be outdated or ideologically biased.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 ?
Assessment of carboxypeptidase M (CPM) amplification: a surrogate marker for MDM2 amplification in the discrimination of well-differentiated liposarcomas/atypical lipomatous tumors from lipomas.
p16 immunohistochemistry as an alternative marker to distinguish atypical lipomatous tumor from deep-seated lipoma.
(3) In our case, although the lipomatous component did not ultimately fulfill the definition of "lipomatous myofibroblastoma" on excision, the presence of a significant adipose component intermixed with the plump spindled cells created the false impression of an infiltrating carcinoma.
Kransdorf, "Benign musculoskeletal lipomatous lesions," Radiographics, vol.
In summary, DDIT3 is expressed in subpopulations of tumor cells in all 4 investigated lipomatous tumor types.
Liposuction using a 16gauge needle and large syringe are useful in small or large lipomatous growth where scarring should be avoided.
Parathyroid lipoadenoma and lipomatous hyperplasia.
We performed transesophageal echocardiography for the detection of the nature of this mass and it showed lipomatous hypertrophy of the interatrial septum (Fig.
Further inquiry about clinical history revealed that the patient had a "lipomatous tumor" excised from this area before.
These include myositis ossificans, lipomatous lesion, tumoral calcinosis, synovial sarcoma, and extraskeletal osteosarcoma, the most common being myositis ossificans.
[C] Does a consistently ancillary test exist to discriminate one from the other (extensively vacuolated versus lipomatous)?