It is also a distinctive form of coagulative necrosis. Two types of myocytolysis have been defined&colon; coagulative and colliquative. Their coagulative ability to form fibrin allows them to seal treated pockets. On gross examination, coagulative necrosis shows darkened discoloration of the infarcted tissue. Coagulative tumor cell necrosis is common in clinically malignant smooth muscle cell tumors. Coagulative necrosis is a type of accidental cell death typically caused by ischemia or infarction.