SynthesisAesthetic plastic surgery2026
Fat Necrosis After Facial Autologous Fat Grafting: A Systematic Review of Reported Complications and Management Strategies.
Synthesis in Aesthetic plastic surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
backgroundAutologous fat grafting (AFG) has become a popular technique in facial aesthetic and reconstructive surgery due to its regenerative properties and biocompatibility. Despite its favorable safety profile, complications such as fat necrosis, oil cysts and lipogranuloma are underreported but can have significant clinical impact.
objectivesTo systematically review the literature on facial fat necrosis, oil cyst and lipogranuloma following AFG, with a focus on clinical presentation, anatomical distribution, risk factors, diagnostic modalities, and management outcomes.
methodsA comprehensive search of PubMed, Embase, and Scopus databases was conducted to identify studies reporting fat necrosis, oil cyst or lipogranuloma as complications of facial AFG. Eighteen studies, including case reports, case series, and retrospective reviews, were included in qualitative synthesis.
resultsThe periorbital region was the most frequently affected site, often following forehead or glabellar fat injections. Lesions typically presented as firm, painless nodules or oil cysts weeks to months post-procedure. Cryopreserved fat and repeat grafting sessions were common risk factors. Diagnosis was largely clinical, with imaging and histology used selectively. Corticosteroid therapy (oral or intralesional) was the most frequently successful treatment. Observation was appropriate for small, asymptomatic lesions, while surgery was reserved for refractory cases. Clinical outcomes were generally favorable among reported cases, though evidence was derived exclusively from heterogeneous case reports and small series.
conclusionsFat necrosis and lipogranuloma, though rare, are clinically relevant complications of facial AFG. Early recognition and non-invasive management with corticosteroids are often effective. Standardized terminology, improved reporting, and prospective studies are needed to inform best practices and enhance patient outcomes. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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