CTICasesMigrated Defibrillator Generator
Imaging findings
Serial chest radiographs over several years show progressive inferior migration of an implantable cardioverter-defibrillator (ICD) pulse generator from its initial left infraclavicular subcutaneous pocket down into the left breast tissue.
Key takeaways
Subcutaneous ICD pulse generators can migrate within the subcutaneous tissues over time due to gravitational force, patient habitus, or pocket laxity. While usually asymptomatic, it can cause local discomfort, cosmetic concerns, or lead to lead tension, requiring pocket revision.
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