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  | MeshID        = D008067
  | MeshID        = D008067
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{{Lipoma}}
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==[[Lipoma overview|Overview]]==


==Overview==
==[[Lipoma historical perspective|Historical Perspective]]==
A '''lipoma''' is a common, [[benign tumor]] composed of [[adipose tissue|fatty tissue]]. Lipomas are soft to the touch, usually moveable, and are generally painless.  They grow very slowly, and in rare cases can become cancerous ([[Malignant]] [[liposarcoma]] also arises from fatty tissue.) Many lipomas are small but can enlarge to sizes greater than six centimeters. Lipoma is commonly found in adults from 40 to 60 years of age but can also be found in children. Approximately one percent of the general population has a lipoma.<ref name="emedicine">[http://www.emedicine.com/med/topic2720.htm Lipomas] at emedicine.com</ref>


==Types==
==[[Lipoma pathophysiology|Pathophysiology]]==
The most common kind are known as "superficial subcutaneous lipomas"), i.e. just below the surface of the skin. Most occur on the trunk, thighs and the forearms, although they may be found anywhere in the body where fat is located.


"Lipomatosis" (ICD {{ICD10|E|88|2|e|70}}) is a diagnosis of multiple lipomas present on the body.
==[[Lipoma epidemiology and demographics|Epidemiology & Demographics]]==


Types include:
==[[Lipoma risk factors|Risk Factors]]==
#Superficial Subcutaneous
#Intramuscular
#Spindle cell
#Angiolipoma
#Benign lipoblastoma
#Lipoma of tendon sheath, nerves, synovium or other


==Lipoma in animals==
==[[Lipoma screening|Screening]]==
Lipoma is also found in animals. These tumors are commonly found on older dogs, but young dogs and even puppies can develop them. They appear near the surface on dogs, and can be single or multiple. They are slow growing tumors that are usually benign. Malignant forms of the tumor are very rare.


==Causes==
==[[Lipoma causes|Causes of Lipoma]]==
The tendency to develop a lipoma is not necessarily hereditary, although it can be in a syndrome like hereditary multiple lipomatosis where more than one lipoma develops over time. Some doctors believe that a minor injury may trigger their growth. Being overweight does not cause lipomas.<ref name="webmd">[http://www.webmd.com/skin-problems-and-treatments/tc/lipoma-topic-overview Lipoma - topic overview] at webmd.com</ref>


==Treatment==
==[[Lipoma differential diagnosis|Differentiating Lipoma from other Diseases]]==
Often, treatment of a lipoma is not necessary, unless the tumor becomes painful or restricts movement.  Many people have them removed for cosmetic reasons. However, if the lipoma is not completely removed during the surgery, it may grow back.
 
==[[Lipoma natural history|Natural History, Complications & Prognosis]]==


Lipomas are normally removed by simple excision. However, [[liposuction]] is another option if the lipoma is soft and has a small [[connective tissue]] component.  Liposuction often results in less [[Scar|scarring]], however it has a greater tendency to fail to remove the entire lipoma, often resulting in re-growth.
==[[Lipoma types|Types of Lipoma]]==


There are new methods being developed that are supposed to remove the lipomas without scarring. One of them is removal by the use of injection of various substances. Another method being developed is the use of [[ultrasound]] waves to destroy the lipoma. This can be compared with the removal of [[kidney stone]]s where ultrasound is used to pulverize the stones.
==Diagnosis==
[[Lipoma history and symptoms|History & Symptoms]] | [[Lipoma physical examination|Physical Examination]] | [[Lipoma laboratory tests|Lab Tests]] | [[Lipoma electrocardiogram|Electrocardiogram]] | [[Lipoma chest x ray|Chest X Ray]] | [[Lipoma CT|CT]] | [[Lipoma MRI|MRI]] | [[Lipoma echocardiography or ultrasound|Echocardiography or Ultrasound]] | [[Lipoma other imaging findings|Other Imaging Findings]] | [[Lipoma other diagnostic studies|Other Diagnostic Studies]]
 
==Treatment==
[[Lipoma medical therapy|Medical Therapy]] | [[Lipoma surgery|Surgery]] | [[Lipoma primary prevention|Primary Prevention]] | [[Lipoma secondary prevention|Secondary Prevention]] | [[Lipoma cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Lipoma future or investigational therapies|Future or Investigational Therapies]]


==References==
==References==
{{reflist}}
{{reflist|2}}


==Sources==
==Sources==
* [http://www.aafp.org/afp/20020301/901.html Lipoma Excision] by Gohar A. Salam, in ''American Family Physician.'' March 1, 2002.
* [http://www.aafp.org/afp/20020301/901.html Lipoma Excision] by Gohar A. Salam, in ''American Family Physician.'' March 1, 2002.
==External links==
* [http://www.hmc.psu.edu/healthinfo/jkl/lipoma.htm PSU]
* [http://pathweb.uchc.edu/eAtlas/Bone/706.htm Illustration]
* [http://rad.usuhs.edu/medpix/master.php3?mode=slide_sorter&pt_id=11517&quiz=#top Esophageal Lipomatosis] MedPix Images
* [http://www.aafp.org/afp/20020301/905ph.html Patient handout]
* [http://gmtv.medicdirect.co.uk/clinics/default.asp?step=4&pid=1911 Reassuring Information]
* [http://dermnetnz.org/lesions/lipoma.html DermNet NZ: Lipoma]
* [http://dermatlas.med.jhmi.edu/derm/result.cfm?Diagnosis=-1623404710 DermAtlas: Lipoma images]


{{Soft tissue tumors and sarcomas}}
{{Soft tissue tumors and sarcomas}}
{{SIB}}
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[[he:ליפומה]]
[[hu:Lipóma]]
[[nl:Lipoom]]
[[pl:Tłuszczak]]
[[pt:Lipoma]]
[[qu:Wira unquy]]
[[ru:Липома]]
[[sv:Fettsvulst]]
[[zh:脂肪瘤]]


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[[Category:Surgery]]
[[Category:Surgery]]
[[Category:Oncology]]
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[[Category:Mature chapter]]

Revision as of 15:18, 19 January 2012

For patient information click here

Lipoma
Lipoma on forearm
ICD-10 D17 (Template:ICDO)
ICD-9 214
DiseasesDB 7493
MedlinePlus 003279
MeSH D008067

Lipoma Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Lipoma from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Study of Choice

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

X Ray

CT

MRI

Echocardiography or Ultrasound

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Lipoma On the Web

Most recent articles

Most cited articles

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Powerpoint slides

Images

American Roentgen Ray Society Images of Lipoma

All Images
X-rays
Echo & Ultrasound
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MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

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Lipoma in the news

Blogs on Lipoma

Directions to Hospitals Treating Lipoma

Risk calculators and risk factors for Lipoma

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Historical Perspective

Pathophysiology

Epidemiology & Demographics

Risk Factors

Screening

Causes of Lipoma

Differentiating Lipoma from other Diseases

Natural History, Complications & Prognosis

Types of Lipoma

Diagnosis

History & Symptoms | Physical Examination | Lab Tests | Electrocardiogram | Chest X Ray | CT | MRI | Echocardiography or Ultrasound | Other Imaging Findings | Other Diagnostic Studies

Treatment

Medical Therapy | Surgery | Primary Prevention | Secondary Prevention | Cost-Effectiveness of Therapy | Future or Investigational Therapies

References

Sources

  • Lipoma Excision by Gohar A. Salam, in American Family Physician. March 1, 2002.


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