在组织学中鉴别良性和潜在恶性肿瘤常有困难,近来在石蜡切片中用核仁组成区银(Ag-NOR)染色法鉴别良性和恶性肿瘤已有许多报道.本文作者用Ag-NOR染色法,对32例皮肤纤维组织细胞肿瘤患者的35份标本进行研究.包括良性的 Identification of benign and potentially malignant tumors in histology is often difficult. Recently there have been many reports of benign and malignant neoplasms identified by Ag-NOR staining in paraffin sections. The authors used Ag-NOR staining. , Study of 35 specimens of 32 patients with cutaneous fibrous histiocytoma. Including benign