A Rare Case of Spontaneous Pneumomediastinum in Dermatomyositis Successfully Treated With a Low Dose of Rituximab. Issue 5 (August 2020) - Rekik, Sonia; Moalla, Myriam; Boussaid, Soumaya; Aissaoui, Takoua; Jammali, Samia; Sahli, Hela; Cheour, Elhem; Ksibi, Imene; Ben Amor, Mohamed; Elleuch, Mohamed