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Related Experiment Videos

Verrucous hemangioma revisited.

Lucile B Tennant1, John B Mulliken, Antonio R Perez-Atayde

  • 1Department of Pathology, Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA. harry.kozakewich@childrens.harvard.edu

Pediatric Dermatology
|June 20, 2006
PubMed
Summary

Verrucous hemangioma shares clinical and histopathologic traits with vascular malformations, suggesting it is likely a malformation rather than a tumor. Further study is needed to clarify its exact classification within vascular anomalies.

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Area of Science:

  • Dermatology
  • Pathology
  • Vascular Anomalies

Background:

  • Verrucous hemangioma (VH) is a rare vascular lesion with debated classification.
  • Distinguishing VH from similar hyperkeratotic vascular malformations is clinically challenging.

Purpose of the Study:

  • To analyze clinical and histopathologic features of VH.
  • To compare VH with hyperkeratotic mimickers.
  • To reconsider the classification of VH within the current nosology of vascular anomalies.

Main Methods:

  • Retrospective analysis of 14 localized hyperkeratotic vascular lesions.
  • Clinical and histopathologic evaluation, including immunostaining (GLUT1, MIB-1).
  • Comparison with entities like angiokeratoma, capillary-venous malformation, and capillary-lymphatic malformation.

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Main Results:

  • Eleven of 14 lesions met histologic criteria for VH (hyperkeratotic epidermis, dermal/subdermal vessels, multilamellated basement membrane).
  • Three lesions were classified as combined vascular malformations.
  • Histologic features and GLUT1 positivity showed similarities to infantile hemangioma.
  • Clinical features (present at birth, proportionate growth) favor malformation.

Conclusions:

  • Verrucous hemangioma exhibits characteristics aligning with vascular malformations.
  • Histopathologic findings suggest a potential link to infantile hemangioma, especially in its involutive phase.
  • Clinical evidence supports classifying verrucous hemangioma as a vascular malformation.