<prompt> Gas in the tissue should be differenciates with:Pseudomyxoma peritoneiPseudomonas infectionClostridium nouyiNon clostridial infection  <response>: Clostridium novyi 124-Baily Love 24th CSDT 12th 109 422-Baily Love 25thGAS - GANGRENE - caused by Clostridium perfringens Gas and smell mousy odour are characteristic and crepitus. Immunocompromised patients are most at risk. Antibiotic prophylaxis is essential when performing amputation to remove dead tissues.Gas in the tissue is not a good differentiating point since some clostridial species do not produce gas clostri novyi since non clostridial organisms often produce gas E. coli and since air can enter tissues through a penetrating wound. 