[Fitz-Hugh-Curtis syndrome can give pain under the right upper quadrant].

Fitz-Hugh-Curtis syndrome is a complication to pelvic inflammatory disease causing perihepatitis as described in this case report. A 21-year-old woman was admitted to the hospital due to pain under the right upper quadrant and febrility. Gallstones and pyelonephritis were ruled out. The Chlamydia test came back positive, and the patient had an elevated cancer antigen 125-level. She was suspected to have Fitz-Hugh-Curtis syndrome. On a second look on the ultrasound scan of the liver the capsule was seen to have a characteristic three-layered appearance. The patient was treated with doxycycline. On follow-up she was asymptomatic, and the laboratory parameters were normalised.