Familial Lipomatosis/Lipomas

Condition Name: Familial lipomatosis/lipomas

Definition: Familial lipomatosis/lipomas is a hereditary condition characterized by the development of multiple lipomas, which are benign tumours composed of mature fat cells. These soft, mobile, and usually painless nodules can occur anywhere on the body but are most commonly found on the trunk, forearms, and thighs.

Etiology: The condition is inherited in an autosomal dominant pattern.

Epidemiology: Familial multiple lipomatosis affects both men and women, with lipomas typically appearing in adulthood.

Signs: The presence of multiple subcutaneous lipomas, which can vary in size from small (a few millimetres) to large (several centimetres).

Symptoms: Although the lipomas are generally asymptomatic, they can become painful if they compress nerves or other structures.

Differentials: Other conditions causing subcutaneous nodules or tumours, such as neurofibromas, cysts, or liposarcomas, may be considered.

Diagnosis: Diagnosis is based on clinical examination, family history, and, if necessary, imaging or biopsy to rule out other conditions.

Treatment: Treatment is usually not necessary unless the lipomas cause discomfort, restrict movement, or are cosmetically concerning. Management options include surgical excision, liposuction, and, in some cases, injection lipolysis. Regular monitoring is recommended to manage potential complications and assess the need for intervention.

References:

• Brodland, D. G., & Thomas, J. R. (2005). Lipomas and liposuction. In Cummings Otolaryngology-Head and Neck Surgery (4th ed., pp. 2914-2922). Elsevier.
• Meier, D. E., & Patel, R. J. (2008). Lipoma. In StatPearls [Internet]. StatPearls Publishing. Available from: https://www.ncbi.nlm.nih.gov/books/NBK537086/
• Billing, V. J., & Resnick, S. D. (2020). Lipomas and lipomatosis: Clinical considerations and management. Dermatologic Surgery, 46(8), 1032-1039.