Since 1971 four cases of Fasciitis nodularis were treated by the outpatient-department of the Surgical Clinic, Univ. of Erlangen. Alieno loco one patient's disease had been diagnosed as sarcoma, another patient had a lesion operated on which had been suggested being malignant by a pathologist. The danger in Fasciitis nodularis is, that it is easily considered a malignant process and therefore too radical a tumor therapy is performed. The differential diagnosis from clinical and histological point of view between Fasciitis nodularis and soft tissue tumors is presented.