Kalmar "myonecrosis" kalma ce ta likita da ke nufin mutuwa ko lalata ƙwayar tsoka. Musamman, "myo-" yana nufin tsoka kuma "-necrosis" yana nufin mutuwa, don haka myonecrosis shine yanayin da ƙwayar tsoka ta mutu. Ana iya haifar da hakan ta hanyoyi daban-daban, ciki har da kamuwa da cuta, rauni, da rashin kwararar jini zuwa yankin da abin ya shafa. Myonecrosis na iya zama mai tsanani kuma mai yuwuwar yanayin rayuwa, saboda yana iya haifar da sakin gubobi da sauran abubuwa masu cutarwa a cikin jini. Jiyya yawanci ya ƙunshi magance ainihin dalilin myonecrosis, da kuma sarrafa duk wani bayyanar cututtuka da rikitarwa.