A 23-year-old woman presents with right iliac fossa pain. She has a Cu-IUD inserted 6 months ago. Pregnancy test is negative. She has no fever or disc...

Question

A 23-year-old woman presents with right iliac fossa pain. She has a Cu-IUD inserted 6 months ago. Pregnancy test is negative. She has no fever or discharge. What is the most important differential diagnosis to consider?

Accepted Answer

Appendicitis

Answer

Ectopic pregnancy - despite the negative pregnancy test, a very early ectopic may not yet produce detectable hCG. Serial hCG and clinical review are warranted if symptoms persist

Answer

Ovarian torsion

Answer

Urinary tract infection

Answer

Endometriosis

uk-dfsrh MCQ (SBA): RIF Pain with Cu-IUD Differential Diagnosis

A 23-year-old woman presents with right iliac fossa pain. She has a Cu-IUD inserted 6 months ago. Pregnancy test is negative. She has no fever or discharge. What is the most important differential diagnosis to consider?