Lipoma

Last reviewed: 6 Jun 2022
Last updated: 14 Aug 2020

Summary

Definition

History and exam

Key diagnostic factors

  • presence of risk factors
  • cutaneous mass <5 cm diameter
  • soft cutaneous mass
  • mobile cutaneous mass
  • superficial cutaneous mass
More key diagnostic factors

Other diagnostic factors

  • painless cutaneous mass
  • gastrointestinal obstruction
  • gastrointestinal bleeding
  • abdominal mass
  • muscle weakness
  • paraesthesia
Other diagnostic factors

Risk factors

  • genetic predisposition
  • trauma
  • heavy alcohol consumption
More risk factors

Diagnostic investigations

Investigations to consider

  • MRI
  • CT scan
  • ultrasound
  • core needle biopsy
  • incisional biopsy
  • excisional biopsy
  • upper gastrointestinal contrast study
More investigations to consider

Treatment algorithm

ACUTE

superficial cutaneous lipoma on trunk or extremity

Dercum's disease

retroperitoneal lipomatous mass

symptomatic gastrointestinal lipoma

lipoma in atypical site

Contributors

Authors

Kimberly Moore Dalal, MD

Medical Director, Surgical Oncology

General Surgery

Mills-Peninsula Hospital

Palo Alto Medical Foundation

Burlingame

CA

Disclosures

KMD is an author of a number of references cited in this topic.

Steven D. DeMartini, MD

Staff Pathologist

Oroville Hospital

Oroville

CA

Disclosures

SDD declares that he has no competing interests.

Peer reviewers

Jason Gold, MD

Staff Surgeon

VA Boston Healthcare System

West Roxbury

Assistant Professor of Surgery

Harvard Medical School (Brigham and Women's Hospital)

Boston

MA

Disclosures

JG declares that he has no competing interests.

Andrew D. Lee, MD

Resident

Department of Dermatology

Wake Forest University School of Medicine

Winston-Salem

NC

Disclosures

ADL declares that he has no competing interests.

Chandrakanth Are, MD

Assistant Professor

Surgical Oncology

Department of Surgery

University of Nebraska Medical Center

Omaha

NE

Disclosures

CA declares that he has no competing interests.

Clifford Cho, MD

Assistant Professor

Department of Surgery

Section of Surgical Oncology

University of Wisconsin School of Medicine and Public Health

Madison

WI

Disclosures

CC declares that he has no competing interests.

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