© Georg Thieme Verlag KG Stuttgart · New York
EUS-guided drainage of ruptured liver abscess
13 February 2009 (online)
Liver abscesses are usually drained percutaneously. If drainage is inadequate, surgery may be necessary . Endoscopic ultrasound (EUS)-guided drainage of pancreatic, pelvic, subphrenic, and splenic abscesses has been reported . There has been one reported case of EUS-guided drainage of a well-encapsulated liver abscess . A ruptured liver abscess is usually an indication for surgery . We report a case of ruptured liver abscess with a walled-off left subhepatic collection that was successfully treated by EUS-guided drainage using a double-wire technique  that facilitated the placement of multiple stents.
A 58-year-old woman presented with a 1-week history of fever and lethargy. There was fullness in the left upper abdomen but no peritonism. The woman was also in diabetic ketoacidosis. Computer tomography showed a ruptured left liver abscess communicating with a walled-off subhepatic collection measuring 10.7 × 5.7 cm ([Fig. 1]). The patient was treated with intravenous antibiotics and insulin. Percutaneous drainage was attempted but was unsuccessful, with minimal aspirate. The surgical risks were considered high, so the patient was referred for endoscopic drainage. The subhepatic abscess was visualized using a therapeutic linear echoendoscope (GF-UCT160; Olympus, Tokyo, Japan) and punctured with a 19-gauge needle (EUSN-19-T; Cook Endoscopy, Winston-Salem, North Carolina, USA) ([Fig. 2]) via a transgastric approach. A 480-cm, 0.035-inch guide wire was inserted and the puncture needle was withdrawn. A 10-Fr Soehendra biliary dilator (Cook Endoscopy) was inserted over the guide wire and a second 0.035-inch guide wire was inserted through the dilator. The dilator was withdrawn, leaving two guide wires within the abscess cavity  ([Fig. 3]). Balloon dilation of the puncture site to 8 mm was performed (CRE; Boston Scientific, Natick, Massachusetts, USA). An 8-Fr and a 10-Fr 7-cm double pigtail stent were sequentially inserted ([Figs. 4], ). The procedure was completed within 30 minutes without complications. Resolution of the liver abscess and subhepatic collection was documented after 11 days and both stents were removed.
Fig. 1 Computer tomography image of the ruptured liver abscess showing communication with a walled-off subhepatic collection.
Fig. 2 Endoscopic ultrasound-guided puncture of the subhepatic abscess collection.
Fig. 3 Fluoroscopy showing two guide wires inserted through a 10-Fr Soehendra dilator within the abscess cavity. The outline of a previously inserted percutaneous drainage catheter within the liver abscess can be seen; this catheter had minimal aspirate.
Fig. 4 Pus flowed out of the abscess cavity after placement of a single stent, obscuring the endoscopic view. The presence of another guide wire facilitated the placement of a second stent despite the poor endoscopic view.
Fig. 5 Two transgastric stents were inserted for drainage of the abscess.
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T. L. Ang
Division of Gastroenterology
Changi General Hospital
2 Simei St 3