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Inguinal endometriosis: a differential diagnosis of right groin swelling in women of reproductive age
  1. Katie Nga Yee Fong1,
  2. Tiffany Wing See Lau2,
  3. Clarence Chi Chuen Mak3 and
  4. Ka Wing Lui3
  1. 1 Department of Pathology, Tseung Kwan O Hospital, Hong Kong
  2. 2 Department of Pathology, Queen Mary Hospital, Hong Kong
  3. 3 Department of Surgery, Yan Chai Hospital, Hong Kong
  1. Correspondence to Dr Katie Nga Yee Fong, katiefongny{at}


We reported a case of right inguinal endometriosis in a 41-year-old woman with unremarkable surgical and gynaecological history. She presented with right groin swelling for a month since her last menstrual period. Clinically the swelling was first diagnosed as inguinal hernia and later histologically proven to be endometriosis.

  • general surgery
  • obstetrics and gynaecology

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  • Contributors KNYF is the first author. TWSL helped in pathology report and imaging. CCCM and KWL served as scientific advisors.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Patient consent for publication Obtained.