ePlasty: Vol. 19
Heterotopic Endometriosis in the Inguinal Region: A Case Report and Literature Review
Tae Nagama, MD, Natsuko Kakudo, MD, PhD, Michika Fukui, MD, Takashi Yamauchi, MD, Toshihito Mitsui, MD, and Kenji Kusumoto, MD, PhD

Department of Plastic and Reconstructive Surgery, Kansai Medical University, Osaka, Japan

Correspondence: kakudon@hirakata.kmu.ac.jp
Keywords heterotopic endometriosis, inguinal region, subcutaneous mass, pain, magnetic resonance imaging


A 41-year-old woman presented with a slow-growing subcutaneous tumor for 10 years in the right inguinal region. Her previous surgical history was right inguinal hernia 14 years ago.

A physical examination revealed an elastic, hard, and immobile 4 × 3.5-cm tumor. Superficial pain developed on and around the tumor site (Fig 1a). Magnetic resonance imaging (MRI) showed low signal intensity on T1- (Fig 1b) and T2-weighted images.

Figure 1. (a) Preoperative findings. A 41-year-old woman with an elastic, hard, and immobile 4 × 3.5-mm mass on the right part of the mons pubis. She had superficial pain on and around the tumor site. (b) Signal intensity of .......