we have studied the possible origin of histiocytic cells , present in fibrous histiocytomas ( mfh ) by using immunohistochemistry to demonstrate lysozyme , alpha 1-antitrypsin , alpha 1-antichymotrypsin and receptors for peanut and soy bean agglutinin in tumour cells of mfh compared with their presence in tumour cells of malignant histiocytosis ( mh ) ( 'true ' histiocytic lymphoma , 'true ' histiocytic sarcoma ) .
C0334463
mfh
C0334227
tumour cells