Management of pembrolizumab-induced steroid refractory mucositis with infliximab: A case report

Figure 1 Positron emission tomography/computed tomography fusion images with fluorodeoxyglucose-18 and computed tomography soft tissue of neck. A: New fluorodeoxyglucose (FDG) avidity and soft tissue fullness in the right supraglottic fold extending to the epiglottis with mild leftward deviation of the trachea with narrowing in September 2018; B: Computed tomography neck soft tissue: considerable supraglottic soft tissue thickening, manifested most in posterior supraglottic larynx which threatens laryngeal airway in January 2019; C: Resolving right supraglottic soft tissue fullness and FDG activity 4 d after first dose of infliximab in March 2019; D: Improvement of right supraglottic soft tissue fullness and FDG activity in June 2019.