Cutaneous endometriosis of the umbilicus (Villar’s nodule)

• Margaret E. Brown, MD,
• Sandra Osswald, MD,
• Tracy Biediger, MD

Affiliations

Margaret E. Brown, MD

Division of Dermatology and Cutaneous Surgery, Department of Medicine, UT Health San Antonio, San Antonio, TX, United States; Corresponding author.

Sandra Osswald, MD

Division of Dermatology and Cutaneous Surgery, Department of Medicine, UT Health San Antonio, San Antonio, TX, United States

Tracy Biediger, MD

Division of Dermatology, South Texas Veterans Health Care System, San Antonio, TX, United States