Retained foreign bodies can occur even after routine, minimally invasive aesthetic or dental procedures and may present late with subtle or no symptoms.

Maintain a high index of suspicion for unexplained, persistent facial nodules or discomfort post-procedure and use appropriate imaging early (X-ray for metallic objects; ultrasound as a radiation-free option).

Careful inspection of instruments before and after procedures, prompt recognition of instrument failure, and timely removal are essential to prevent complications and medicolegal risk.