Diagnostic challenges of tailgut cysts: a case report on an occult perianal mass.

Introduction: Tailgut cysts, or retro-rectal cystic hamartomas, are rare congenital lesions arising from embryonic hindgut remnants, typically located in the retro-rectal area. These cysts present some diagnostic challenges due to vague symptoms and potential for malignancy.

Case Presentation: A 25-year-old female presented with a 5-year history of perianal swelling.