Diagnostic aid for the scintigraphic visualization of malignant tumors comprising the substance obtained from enzymatic processing of murein using hen's eggwhite lysozyme

A diagnostic aid for the scintigraphic visualization of malignant tumors which contains a radionuclide which is bonded by means of a complex-forming agent to the substance obtained by the enzymatic processing of murein with enzyme consisting essentially of hen's eggwhite lysozyme.