A 43-year-old female with residual enophthalmos following functional endoscopic surgery (FESS) due to silent sinus syndrome (SSS) was initially successfully treated with a 2-ml intraorbital injection of hyaluronic acid gel (HAG). The enophthalmos partially recurred 22 months after the injection. HAG was re-injected with good functional and cosmetic results. Functional (kinetic) computed tomography was performed to visualize HAG distribution in the orbit.
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Grusha et al. (2015) studied this question.
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