“…To the best of our knowledge, this is the first fully documented report of a massive benign subcutaneous and intramuscular gas appearance after suture removal following knee arthroscopy. A literature review revealed only a total of 43 cases of BSE due to low-grade injuries or following minimal invasive surgical procedures other than arthroscopy [5] , [6] , [7] , [8] , [9] , [10] , [11] , [12] , [13] , [14] , [15] , [16] , [17] , [18] , [19] , [20] , [21] , [22] , [23] , [24] , [25] , [26] , [27] , [28] , [29] , [30] , [31] , [32] , [33] , [34] , [35] . Other non-infectious causes for subcutaneous emphysema include injuries to the pulmonary tract or intestine e.g.…”