It has been studied five cases of P.N.H. In four of them the disease presented in its classical form; one of them showed more PNH "defect" than disease. In all our patients at the time of diagnosis was found anemia; in three leukopenia and in two thrombocytopenia. None of them was treated with iron; three patients were treated with androgens beings only one of them benefited. Two patients were given adrenal steroids without any evidence of improvement. 

It has been studied five cases of P.N.H. In four of them the disease presented in its classical form; one of them showed more PNH "defect" than disease. In all our patients at the time of diagnosis was found anemia; in three leukopenia and in two thrombocytopenia. None of them was treated with iron; three patients were treated with androgens beings only one of them benefited. Two patients were given adrenal steroids without any evidence of improvement.