{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T09:10:18Z","timestamp":1789722618683,"version":"4.0.1"},"reference-count":22,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2022,10,21]],"date-time":"2022-10-21T00:00:00Z","timestamp":1666310400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,2,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Necrosis of frontotemporal skin and\/or the ipsilateral scalp with subsequent alopecia after hyaluronic acid (HA) filler injection into the temple is rare complications with superficial temporal artery embolization are suspected as the major pathological mechanism. The main treatment currently is intralesional hyaluronidase (HAase) injection, but the effectiveness of percutaneous superficial temporal arterial HAase injection still lacks consensus.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objectives<\/jats:title><jats:p>To investigate the effectiveness of superficial temporal arterial HAase injection in dissolving HA filler\u2013induced necrosis of frontotemporal skin and\/or the ipsilateral scalp with subsequent alopecia.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Five recent clinical cases with necrosis of frontotemporal skin and\/or the ipsilateral scalp with subsequent alopecia after HA filler injection into the temple were analyzed retrospectively. The patients underwent HAase injection via superficial temporal artery combined with adjunctive treatments, and the clinical progress was observed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Significant improvement was observed in terms of necrosis of frontotemporal skin and the ipsilateral scalp after treatment, and the patients were relieved of their clinical symptoms. Alopecia occurred approximately 1 to 2 weeks after HA filler injection, and the well-defined alopecia areas were formed 15 to 20 days after HAase injection. Patients were followed for 3 to 6 months. During follow-up, the skin lesions of all patients were restored to near normal appearance. Hair regrowth was observed 2 to 3 months after HAase treatment, and hair density nearly reached the normal level 3 to 4 months later.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Percutaneous superficial temporal arterial HAase injection is an effective treatment option for HA filler\u2013induced necrosis of frontotemporal skin and\/or the ipsilateral scalp with subsequent alopecia.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence: 4<\/jats:title><jats:p\/><\/jats:sec>","DOI":"10.1093\/asj\/sjac270","type":"journal-article","created":{"date-parts":[[2022,10,21]],"date-time":"2022-10-21T07:48:22Z","timestamp":1666338502000},"page":"NP77-NP83","source":"Crossref","is-referenced-by-count":20,"title":["Efficacy of Percutaneous Superficial Temporal Arterial Hyaluronidase Injection for Hyaluronic Acid Filler\u2013Induced Necrosis of Frontotemporal Skin and\/or the Ipsilateral Scalp With Subsequent Alopecia"],"prefix":"10.1093","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3542-9790","authenticated-orcid":false,"given":"Can","family":"Zheng","sequence":"first","affiliation":[{"name":"Plastic and Reconstructive Surgery Unit, Department of Burns and Plastic Surgery, Fourth Medical Center, PLA General Hospital , Beijing , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiang","family":"Fu","sequence":"additional","affiliation":[{"name":"Plastic and Reconstructive Surgery Unit, Department of Burns and Plastic Surgery, Fourth Medical Center, PLA General Hospital , Beijing , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gui-wen","family":"Zhou","sequence":"additional","affiliation":[{"name":"Plastic and Reconstructive Surgery Unit, Department of Burns and Plastic Surgery, Fourth Medical Center, PLA General Hospital , Beijing , 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