Endometriosis presenting as an acute groin swelling: a case report.

Introduction: Many conditions present as groin swellings, in both the elective and emergency setting. The management of these conditions varies widely, thus a prompt and accurate diagnosis is important.

Case Presentation: A 27 year old female presented with an acute painful swelling in her right groin. A preliminary diagnosis of an incarcerated femoral hernia led to urgent surgical exploration. Histology of the excised tissue showed appearances consistent with endometriosis.

Conclusion: Endometriosis is an unusual cause of an acute groin mass, which should be considered as a differential diagnosis in women of childbearing age.