Endoscopic ultrasound-guided drainage of pelvic collections and abscesses

Figure 1 Endoscopic ultrasound (EUS)-guided pelvic abscess drai nage procedure. A: CT scan showing a pelvic collec tion at the Douglas pouch; B: Pelvic abscess detected by linear EUS; C: Color-Doppler showing no vessels between the abscess and the puncture site; D: Fineneedle aspiration with a 19-G needle; E: NWOA system for one-step drainage of fluid collections; F: 0.035-inch needle-wire into the abs cess cavity (NWOA system); G: An 8.5-F stent inserted into the abscess (NWOA system); H: Successful drainage.