nasal alar necrosis following hyaluronic acid injection into nasolabial folds: a case report

injection of synthetic fillers for soft tissue augmentation is increasing over the last decade. one of the most common materials used is hyaluronic acid (ha) that is safe and temporary filler for soft tissue augmentation. we present a case of 54-year-old female who experienced vascular occlusion and nasal alar necrosis following ha injection to the nasolabial folds. she suffered from pain, necrosis, infection, and alar loss that finally required a reconstructive surgery for cosmetic appearance of the nose. the case highlights the importance of proper injection technique by an anesthesiologist, as well as the need for immediate recognition and treatment of vascular occlusion.