ABDOMINAL-WALL ENDOMETRIOSIS AFTER AMNIOCENTESIS - A CASE-REPORT

BACKGROUND: Amniocentesis is a procedure performed commonly in the eva luation and early diagnosis of fetal chromosomal abnormalities. The pr ocedure is safe, with a major complication rate of 0.5% and the most c ommon minor complication, spotting. CASE: A 27-year-old woman underwen t amniocenteses to document pulmonary maturity prior to cesarean secti on. She presented 18 months later with a 6-month history of left abdom inal wall pain and a mass that enlarged 2 days prior to menses and shr ank 1 week after. The mass was located at the prior amniocentesis site . Excisional biopsy revealed endometriosis on final pathology. CONCLUS ION: To our knowledge, this is the first well-documented case of abdom inal wall endometriosis following third-trimester amniocentesis. The p rocedure should be considered a possible complication of amniocentesis .