PurposeTo determine the efficacy of autologous platelet- and extracellular vesicle-rich plasma (PVRP) to treat chronic postoperative temporal bone cavity inflammation (CPTBCI) after exhausting surgical and standard conservative therapies. Materials and MethodsPatients were randomly allocated to treatment with PVRP (PVRP group) or standard conservative methods (control group) in a sett... https://anmodolls.shop/product-category/in-stock-dolls-zelex-sle/