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	eMedicine - Liposarcoma : Article by Santiago A Centurion, MD (Site not responding. Last check: 2007-11-05)
		Spindle-cell liposarcoma is a rare variant of an atypical lipomatous tumor (ie, well-differentiated liposarcoma), and it must be distinguished from a dedifferentiated liposarcoma with metastatic potential and a benign spindle-cell lipoma.
		Myxoid and/or round-cell liposarcomas and pleomorphic liposarcomas have a striking predilection for the limbs, and dedifferentiated liposarcoma occurs predominantly in the retroperitoneum.
		Liposarcomas of all subtypes can occur in the cutis and the subcutis; however, their primary occurrence in the skin is rare.
	www.emedicine.com /derm/topic856.htm (2439 words)

	LIPOSARCOMA OF THE THORACIC WALL (Site not responding. Last check: 2007-11-05)
		In the differential diagnosis of the differentiated liposarcoma from a lipoma the contribution of MRI with the administration of contrast media is important: in the first case an important reinforcement of the signal is noticed which implies the increased abundance of cells and vessels in the tumor.
		The mucous liposarcoma has a multiple imaging in MRI which depends on the quantity of fatty and mucous material, the abundance of cells and vessels and the presence of necroses.
		It might pretend to be a benign cystic tumor, and for this reason the administration of contrast media is important for the outline of areas with reinforcement of the signal which represents the increased vascularization and the cell abundance, while areas which are not reinforced correspond to accumulated mucous material, necroses and decreased vascularization.
	www.imasavas.gr /liposarcoma_eng/liposarcomatext.htm (815 words)

	Liposarcoma
		The liposarcoma demonstrates considerable microscopic variability and the biological behavior of the tumor is greatly dependent on the exact histopathologic appearance.
		(Figure 4) represents half of all liposarcomas and is composed of variably mature multivacuolar and univacuolar lipoblasts, often with numerous signet-ring types scattered throughout a myxomucinous stroma with a sparse or sometimes abundant fibrillar network (Figure 4).
		Liposarcoma of the oral cavity: clinical, tissue culture, and ultrastructure study of a case.
	www.maxillofacialcenter.com /BondBook/softtissue/liposarcoma.html (1296 words)

	Liposarcoma - Children's Hospital Boston
		Liposarcoma is a malignant soft tissue tumor (cancer that originates in soft connective tissues of the body) that develops in fat tissue.
		Liposarcoma rarely arises from lipoma, a benign tumor of fatty tissue.
		Because liposarcoma affects tissue that is elastic and easily moved, a tumor may exist for a long time before being discovered, growing large and pushing aside surrounding tissue.
	www.childrenshospital.org /az/Site1096/mainpageS1096P0.html (1533 words)

	Liposarcoma
		Liposarcoma occurs in the deep soft tissue of extremities and in the retroperitoneum.
		Although myxoid liposarcoma is a subtype of liposarcoma, it may be difficult to establish the correct diagnosis with magnetic resonance (MR) imaging due to the lack of fat signal intensity.
		Dedifferentiated liposarcoma is a mixed histologic subtype defined by the association of an atypical lipomatous tumor or well-differentiated liposarcoma and a nonlipogenic sarcoma.
	www.thedoctorsdoctor.com /diseases/liposarcoma.htm (7810 words)

	Giant Abdominal Liposarcoma
		The tumor was a predominately myxoid liposarcoma with areas of pleomorphic liposarcoma, inflammatory liposarcoma, and lipoma-like liposarcoma.
		Liposarcoma arising from the mesentery of the bowel is a rare lesion [
		Liposarcomas and atypical lipomatous tumors: a study of 66 cases followed for a minimum of 10 years.
	www.ispub.com /ostia/index.php?xmlFilePath=journals/iju/vol1n1/lipo.xml (1101 words)

	LIPOMATOUS TUMORS OF SOFT TISSUES
		In this differential diagnosis, the age of the patient is of greatest importance, as myxoid liposarcomas are exceedingly rare under the age of 10 years.
		Well-differentiated liposarcoma accounts for 40 to 45% of all liposarcomas and the lipoma-like form is by far the most common of its variants.
		Dedifferentiated liposarcoma occurs in late adult life, with a predilection for the retroperitoneum, followed by deep soft tissues of the extremities and the spermatic cord.
	www.forpath.org /0001/part1.htm (3810 words)

	PRIMARY PLEURAL LIPOSARCOMA:15(2) (Site not responding. Last check: 2007-11-05)
		Liposarcomas are among the most common mesenchymal tumors occurring in adults.1 They occur mostly in the soft tissues of the lower extremities, retroperitoneum, peritoneum and shoulder region.
		Primary intrathoracic liposarcomas are, however, very uncommon; Razzak et al.2 in 1971 published 44 such cases, of which 43 originated in the mediastinum and one in the pulmonary hilum.
		Liposarcomas account for 10% to 12% of soft tissue tumors in adults.1 These tumors are rare in children and only 17 cases in the pediatric age group have been reported.10 Liposarcomas in adults arising from the pleural surfaces are extremely rare.
	www.kfshrc.edu.sa /annals/152/cr9402ar.html (1148 words)

	LIPOSARCOMA: A CLINICOPATHOLOGICAL STUDY OF (Site not responding. Last check: 2007-11-05)
		Liposarcoma is one of the most common soft tissue sarcomas of adult life, and ranks second only to malignant fibrous histiocytoma.
		Liposarcoma is rare in young patients and children, but many cases of liposarcoma in children are on record.
		Liposarcoma: a study of 55 cases with an assessment of its classification.
	www.kfshrc.edu.sa /annals/194/98-275.html (2691 words)

	What is a liposarcoma? : CancerBACUP (Site not responding. Last check: 2007-11-05)
		Liposarcomas get their name because they appear to develop from fat cells in the soft tissues of the body.
		Occasionally a liposarcoma is too large or stuck down to make an operation possible, but the surgeon feels that it might become operable if it could reduced in size.
		If, as often happens, the liposarcoma is in a part of the body where surgery is impossible or dangerous then radiotherapy is used and often combined with chemotherapy.
	www.cancerbacup.org.uk /QAs/Search/374 (480 words)

	From the Grand Rounds Archive at Baylor
		The ratio of incidence of benign lipoma to liposarcoma is 120:1.
		There is a slight male predominance in liposarcoma of approximately 60-40, and the mean age is in the 50s.
		Atypical lipoma and well-differentiated liposarcoma are histologically similar; however, the clinical behavior of the tumors and the ultimate outcome of the patients appears to be different depending on the lesion's location.
	www.bcm.edu /oto/grand/81791.html (1771 words)

	Archives of Pathology & Laboratory Medicine: Liposarcoma of the pleural cavity: Clinical and pathologic features of ...
		The mass was surgically resected and pathologically diagnosed as myxoid liposarcoma.
		Myxoid/Round Cell Liposarcoma (Figures 2-4).-The tumors in cases 1, 2, and 4 were composed of elongated, interconnected spindle cells with variably sized, hyperchromatic nuclei with a wispy to fibrillary pale- to lightstaining myxoid stroma.
		Well-Differentiated/Sclerosing Liposarcoma (Figures 5-6).-The tumor in case 3 was composed of mature-appearing adipose tissue with loose to densely packed and sclerotic intervening and dissecting fibrous tissue.
	www.findarticles.com /p/articles/mi_qa3725/is_200005/ai_n8888999 (1319 words)

	Prognostic significance of grading (MIB-1 system) in patients with myxoid liposarcoma -- Tateishi et al. 56 (8): 579 -- ...
		Characterization of the CHOP breakpoints and fusion transcripts in myxoid liposarcomas with the 12;16 translocation.
		Liposarcoma: a study of 55 cases with a reassessment of its classification.
		Myxoid/round cell liposarcoma of the extremities: a clinicopathologic study of 29 cases with particular attention to extent of round cell liposarcoma.
	jcp.bmjjournals.com /cgi/content/full/56/8/579?eaf (2394 words)

	Spermatic Cord Liposarcoma
		Liposarcoma of the spermatic cord: report of 6 cases and review of the literature.
		Liposarcoma of the spermatic cord: a report of two cases.
		Liposarcoma of the spermatic cord: report of a case and review of the literature.
	home.flash.net /~drrad/tf/091498.htm (418 words)

	eMedicine - Liposarcoma : Article by Anastasios K Konstantakos, MD (Site not responding. Last check: 2007-11-05)
		Background: Liposarcoma is one of the least frequent soft tissue sarcomas occurring in childhood; it comprises less than 5% of all soft tissue sarcomas.
		Well-differentiated liposarcomas are composed of a heterogeneous organization of univacuolate adult lipocytes, chronic inflammatory cells, and fibrous connective tissue.
		While liposarcoma is an extremely rare lesion, particularly in the pediatric population, it is important to consider liposarcoma in the differential diagnosis of lipoma.
	www.emedicine.com /ped/topic1317.htm (2199 words)

	Metastatic liposarcoma of the thyroid gland -- Azar et al. 76 (910): 750 -- The British Journal of Radiology
		Metastatic liposarcoma of the thyroid gland -- Azar et al.
		This mass was resected and pathological examination was consistent with liposarcoma.
		Liposarcomas were first described by Virchow in 1857 [1].
	bjr.birjournals.org /cgi/content/full/76/910/750 (1098 words)

	MYXOID LIPOSARCOMA - MedPix Medical Image Database and Teaching Files
		Liposarcoma is second only to malignant fibrous histiocytoma as the most common malignant tumor of soft tissue.
		On T2-weighted MR images with fat saturation, less differentiated liposarcomas show areas of high signal intensity whereas the differentiated fat is low signal intensity.
		At histology, liposarcomas are divided into well-differentiated, myxoid, round cell, pleomorphic and dedifferentiated subtypes varying from the low-grade malignant type (well-differentiated) to myoid subtype of intermediate grade and the pleomorphic, round cell, and dedifferentiated of higher grades.
	rad.usuhs.mil /medpix/medpix.html?mode=single&comebackto=mode=geo_browse&recnum=5022 (409 words)

	Imaging of Fatty Tumors: Distinction of Lipoma and Well-differentiated Liposarcoma -- Kransdorf et al. 224 (1): 99 -- ...
		Transverse MR images show liposarcoma in the posterior compartment of the thigh in a 62-year-old man. (a) T1-weighted spin-echo 533/14 and (b) fat-saturated T2-weighted turbo spin-echo 2,000/60 MR images show thin (arrowhead in a) and thick (arrows) septa, as well as a confluent globular area (*) of nonadipose tissue.
		Coronal MR images show liposarcoma in the thigh of a 74-year-old man. (a) T1-weighted spin-echo 493/14 image shows irregular septa (arrows, a-c) with a large amount of altered fat that is most prominent in the proximal aspect of the mass (* in a-c).
		Atypical lipoma, atypical intramuscular lipoma, and well-differentiated liposarcoma: a reappraisal of 30 cases formerly classified as well-differentiated liposarcoma.
	radiology.rsnajnls.org /cgi/content/full/224/1/99 (3137 words)

	Myxoid liposarcoma of the spermatic cord. Kashid YS, Bakshi GK, Joshi AS, Mohite JD J Postgrad Med
		Histopathological diagnosis was myxoid liposarcoma of the spermatic cord with extension into retroperitoneum.
		It tends to occur in the elderly, presenting as painless scrotal swelling and is often confused with hydrocele or chronic incarcerated inguinal hernia.
		[4] Myxoid liposarcoma of the spermatic cord being a low grade, well-differentiated sarcomas it does not recur with a higher grade or in less-differentiated form.
	www.jpgmonline.com /article.asp?issn=0022-3859;year=2001;volume=47;issue=1;spage=52;epage=3;aulast=Kashid (633 words)

	LIPOMA, LIPOSARCOMA (Site not responding. Last check: 2007-11-05)
		Fatty tissue gives rise to a range of lesions that can be divided into non-neoplastic lipomatous masses, lipomas and liposarcomas.
		Liposarcomas: These tumors are uncommon and they may arise anywhere in the body.
		Most liposarcomas arise from the deep soft tissues such as those in the retroperitoneum and thigh and less frequently occur in the mediatinum, omentum, breast and axilla.
	www.bioscience.org /atlases/tumpath/musbone/softtiss/3/synopsis.htm (365 words)

	Archives of Pathology & Laboratory Medicine: Dedifferentiated Liposarcoma With a Paraganglioma-like Histologic ...
		According to the current World Health Organization classification,1 well-differentiated liposarcoma (atypical lipomatous tumor) and dedifferentiated liposarcoma are 2 separate entities in the same histogenetic category; they share many clinical, morphologic, and cytogenetic features.
		The term dedifferentiated liposarcoma was first introduced by Evans.2 Dedifferentiated liposarcoma occurs most frequently in central body sites, especially the retroperitoneum.1-6 Tumors from this area usually carry the worst prognosis.
		Away from these nonlipogenic sarcomatous components there was a small area of well-differentiated liposarcoma composed of mature fat with many atypical stromal cells and a few typical lipoblasts (Figure 2, C and D).
	www.findarticles.com /p/articles/mi_qa3725/is_200407/ai_n9430679 (1088 words)

	rop4-00 (Site not responding. Last check: 2007-11-05)
		Of the small number of reported cases of intraoral liposarcoma, cheek appears to be the most common location.
		In general, well-differentiated and lipoma-like liposarcoma, or atypical lipoma, are low-grade lesions, with local recurrence but rare metastasis.
		Liposarcoma of the tongue: case report and literature update.
	www.afip.org /Departments/OMaxPath2/rop4-00.html (250 words)

	Monoclonality of Multifocal Myxoid Liposarcoma: Confirmation by Analysis of TLS-CHOP or EWS-CHOP Rearrangements -- ...
		Although not stated in the report (1), these were all myxoid liposarcomas.
		Multifocal myxoid liposarcoma in patients 5 and 6.
		multifocal disease in liposarcoma at approximately 10% (2).
	clincancerres.aacrjournals.org /cgi/content/full/6/7/2788 (4050 words)

	Terminal differentiation of human liposarcoma cells induced by ligands for peroxisome proliferator-activated receptor ...
		Terminal differentiation of human liposarcoma cells induced by ligands for peroxisome proliferator-activated receptor gamma and the retinoid X receptor -- Tontonoz et al.
		Liposarcoma is the most common soft tissue malignancy in adults, accounting for at least 20% of all sarcomas in this age group
		Liposarcomas have presumably acquired one or more genetic defects that interfere with the course of normal adipocyte development.
	www.pnas.org /cgi/content/full/94/1/237 (4106 words)

	ACS :: Message Boards
		I am a 38 year old female liposarcoma survivor of 3 years now and have never been able to connect with anyone with the same type of cancer.
		I have been so surprised at how little is written about this and how rare it is. I would like to hear from you, as it would be nice to talk to someone who has been through this & what the last few years have been like.
		My sister is doing well with the uncertainty, she is very afraid but trying not to worry until she finds out what it is. I am trying to find ways to help support her through this scarry time.
	www.cancer.org /asp/messageBoards/msg_global.asp?navToScreen=msg_1_1&navFromScreen=msg_1&txtTopicPath=cat-94A8F3A6228B41178CD9E582C1F467F4/mb-61F01619C06948B0AE5067A08CF96A05/topic-7C656E40176649919E57EBD415ADD8AF&sortOrder=2&page=1&txtDiscussionId=discussion-C2D96E10EE0F47789CBBF2B70EBA59CE (811 words)

	Myxoid Liposarcoma: Appearance at MR Imaging with Histologic Correlation -- Sung et al. 20 (4): 1007 -- RadioGraphics (Site not responding. Last check: 2007-11-05)
		Myxoid Liposarcoma: Appearance at MR Imaging with Histologic Correlation -- Sung et al.
		liposarcoma with a cystic appearance at MR imaging.
		Myxoid liposarcoma: MR imaging appearances with clinical and histological correlation.
	intl-radiographics.rsnajnls.org /cgi/content/full/20/4/1007 (4513 words)

	Retroperitoneal Liposarcoma (Site not responding. Last check: 2007-11-05)
		Retroperitoneal liposarcoma is among the most common primary retroperitoneal tumors, along with malignant fibrous histiocytoma and leiomyosarcoma.
		Liposarcoma is most often seen in the fifth to seventh decades and is more common in men.
		Fat is invariably present in liposarcoma and notably absent in less well-differentiated masses.
	brighamrad.harvard.edu /Cases/bwh/hcache/203/full.html (389 words)

	Myxoid Liposarcoma: Appearance at MR Imaging with Histologic Correlation -- Sung et al. 20 (4): 1007 -- RadioGraphics
		Although myxoid liposarcoma is a subtype of liposarcoma, it
		representing 30%–40% of all liposarcomas in the extremities.
		with a liposarcoma of the thigh (Fig 7), the lesion metastasized
	radiographics.rsnajnls.org /cgi/content/full/20/4/1007 (4513 words)

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