Ultrasonographic findings in primary umbilical endometriosis

Giovanni Genovese, Stefano Veraldi, Emanuela Passoni, Gianluca Nazzaro

Research output: Contribution to journalArticlepeer-review


Primary cutaneous endometriosis is a rare condition. It appears without a prior history of surgical procedure and the umbilicus is the most frequently involved area. Primary umbilical endometriosis, or Villar’s nodule, usually presents as a painful nodule. Its differential diagnosis may be challenging. Although histopathological assessment represents the gold standard for diagnosis, cutaneous ultrasonography may be useful in guiding the surgical treatment. Ultrasonographic features of cutaneous endometriosis have not yet been fully explored in the literature. Hence, we report peculiar ultrasonographic findings of primary umbilical endometriosis.

Original languageEnglish
Pages (from-to)297-298
Number of pages2
JournalAnais Brasileiros de Dermatologia
Issue number2
Publication statusPublished - Mar 1 2018


  • Dermatology
  • Endometriosis
  • Ultrasonography

ASJC Scopus subject areas

  • Dermatology


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