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Related Experiment Videos

Localized involutional lipoatrophy with epidermal and dermal changes.

Ossama Abbas1, Salah Salman, Abdul Ghani Kibbi

  • 1Department of Dermatology, American University of Beirut Medical Center, Beirut, Lebanon.

Journal of the American Academy of Dermatology
|February 19, 2008
PubMed
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Localized involutional lipoatrophy (LIL) presents as fat loss without inflammation, often after injections. New findings show LIL can involve skin changes like hypopigmentation and morphea-like histology.

Area of Science:

  • Dermatology
  • Pathology

Background:

  • Localized involutional lipoatrophy (LIL) is an idiopathic condition characterized by localized loss of subcutaneous adipose tissue.
  • It typically occurs in areas with a history of intramuscular or intra-articular injections and is asymptomatic.
  • Histological examination reveals subcutaneous fat changes resembling fetal adipose tissue.

Observation:

  • Epidermal and dermal changes associated with LIL are rarely documented.
  • This report details two cases of LIL exhibiting overlying hypopigmentation and atrophy.
  • Histological analysis in these cases revealed morphea-like changes in the affected skin.

Findings:

  • LIL can present with associated epidermal and dermal alterations, including hypopigmentation and atrophy.
  • Histological findings in these cases showed morphea-like changes, suggesting a potential link between LIL and scleroderma-like alterations.

Related Experiment Videos

  • These observations expand the known clinical and histological spectrum of LIL.

    • Implications:

    • Recognition of these associated skin changes is crucial for accurate clinical diagnosis of LIL.
    • Understanding the broader presentation of LIL may aid in differentiating it from other lipoatrophic conditions.
    • Further research into the pathogenesis of LIL and its associated dermal changes is warranted.