Delayed presentation of perisplenic abscess following arterial embolization.

Background: Splenic abscess formation is a rare but significant complication that may occur after non-operative management (NOM) of a blunt splenic injury (BSI). we describe an unusual case of perisplenic abscess formation nearly 4 months after splenic artery angioembolization for a grade III splenic laceration.

Methods: A 52-year-old male was transferred to the Emergency Department (ED) of our institution after falling off his bicycle. He was hemodynamically stable but complained of left upper quadrant pain. Computed tomography (CT) was notable for a Grade III splenic laceration. The patient underwent a successful splenic artery embolization on hospital day 1. He had an uneventful post-embolization course and was discharged 3 days later, afebrile, with a stable hematocrit. Four months after his initial presentation, the patient presented to the ED with fever, malaise, and left upper quadrant abdominal pain. A CT scan revealed a multiloculated perisplenic abscess. He underwent a splenectomy and drainage of peri-splenic abscess, received a course of antibiotics, and had an uneventful recovery.

Conclusions: NOM including splenic angioembolization (SAE) is the standard of care for blunt splenic trauma in hemodynamically stable patients. Known complications from SAE include bleeding, missed injuries to the diaphragm and pancreas, and splenic abscess. This report documents a delayed perisplenic abscess following NOM of blunt splenic trauma, a rare but potential complication of SAE. Conclusions: Formation of a perisplenic abscess may occur several months after NOM of a blunt splenic injury. Prompt surgical management and antibiotic therapy are critical to avoid life-threatening complications.