Folliculosebaceous cystic hamartoma arising within a port-wine stain

Chih Hsun Yang*, S. C. Shen, J. T. Yeh, Y. L. Tsai, H. S. Hong

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

14 Scopus citations


A 34-year-old woman presented with 2-year history of a dome-shaped papule on a well-circumscribed, thickened, port-wine stain on the left side of the chin. Squeezing on the port-wine-stain plaque revealed many comedos within dilated follicular orifices. The papule was excised and submitted for histological examination. Histopathological study showed a lobular neoplasm, comprising dilated, cystic pilosebaceous structures surrounded by fibrous stroma, bearing the characteristics of folliculosebaceous cystic hamartoma. The reported case shows that, in addition to the vascular nature, both ectodermal and mesenchymal abnormalities may be involved in port-wine stains.

Original languageEnglish
Pages (from-to)509-511
Number of pages3
JournalClinical and Experimental Dermatology
Issue number5
StatePublished - 09 2005
Externally publishedYes


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