Simple Available Specific and Sensitive Markers for malignant tumor

In this work we try to investigate anew marker for early detection and diagnosis of malignant tumor .also we can used it to classified the different type of malignancy. Lactate dehydrogenase enzyme was found in animal and human and play important role in gluconeogenesis process. Lactate dehydrogenases represented as supplementary enzymatic tool can be used as differentiation marker between the different types of leukemia not only but also follow up the patients during treatment period.