Background: Fixation of biopsy specimens is a critical step before processing and staining them for histological tissue examination. Formalin considered the gold standard fixative solution its attributes. However, it has concerning side effects, such as carcinogenic potential irritational properties. Owing to various harmful safer natural substitute should be explored. In this study, we compare...

OBJECTIVE To evaluate histologically the extent and character of tissue in-growth after injection of calcium hydroxylapatite for soft-tissue augmentation. METHODS Prospective case series of 8 patients from a private facial plastic surgery practice. Each patient was injected subdermally between the dermis and the subcutaneous fat with 0.1 mL of calcium hydroxylapatite in the superior postauric...