Eur J Plast Surg (2016) 39:401–408 DOI 10.1007/s00238-016-1224-4 EXPERIMENTAL STUDY Multilayer costal grafts to prevent cartilage deformation: an experimental study 1 2 2 2 Giovanni Ravasio & Riccardo Gazzola & Giuseppe Cottone & Luciano Lanfranchi & Franz Wilhelm Baruffaldi Preis Received: 15 March 2016 /Accepted: 14 July 2016 /Published online: 30 July 2016 Springer-Verlag Berlin Heidelberg 2016 Abstract Kossa, Masson-Goldner trichrome, and Verhoeff/Van Background Cartilage grafting is a common procedure in Gieson stains) and immunohistochemical (GFAP) nasal reconstruction or dorsal augmentation. Costal car- analyses. tilage is usually preferred to conchal or septal cartilage Results A higher grade of deformation was observed in when a larger amount of graft is required, although this the single-layer group compared to the multilayer one cartilage type is often complicated by postoperative (5.2° vs 0.3°). Multilayer cartilage showed significantly warping. To overcome this complication, we suggest higher chondrocyte density (70.4 vs 44.9 cells per field the use of multilayer costal grafts. This study aims to at 40×) and the lowest loss of nuclei in chondrocyte compare single-layer and multilayer costal grafts lacunae percentage (0.03 vs 3.2 %). Single-layer grafts concerning angle of warpage, cartilage viability, and ar- also showed sporadic inflammatory cell infiltration, not
European Journal of Plastic Surgery – Springer Journals
Published: Jul 30, 2016
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