Asymptomatic pneumoperitoneum in the setting of pneumatosis intestinalis: a benign entity or surgical emergency?

Ho, 2007, Pneumatosis intestinalis in the adult: benign to life-threatening causes, Am J Roentgenol, 188, 1604, 10.2214/AJR.06.1309 Khalil, 2009, Natural history, clinical pattern, and surgical considerations of pneumatosis intestinalis, Eur J Med Res, 14, 231, 10.1186/2047-783X-14-6-231 Azzaroli F, Turco L, Ceroni L, et al. Pneumatosis cystoides intestinalis. World J Gastroenterol, 2011; 17(44): 4932–4936. doi: https://doi.org/10.3748/wjg.v17.i44.4932. Liu DM, Torreggiani WC, Rowan K, et al. Benign pneumatosis intestinalis: a cause of massive pneumoperitoneum in the adult. Canadian Journal of Emergency Medicine, 2003; 5(6): 416–420. doi: https://doi.org/10.1017/S1481803500008678. Braumann, 2005, Pneumatosis Intestinalis — a pitfall for surgeons?, Scand J Surg, 94, 47, 10.1177/145749690509400112 Ribolla, 2020, Asymptomatic pneumoperitoneum in pneumatosis coli: a misleading operative indication, Int J Surg Case Rep, 60, 92, 10.1016/j.ijscr.2020.03.042