On the differential diagnosis of thrombotic microangiopathy in endometrial curettings.

In a paper published three years ago on the histological diagnosis of thrombotic purpura during life I reported three cases in which the characteristic thrombotic microangiopathy was present in biopsy material (Symmers, 1956). In one of the cases the vascular lesions were found in the basal stratum of the endometrium and in endocervical fragments in a specimen obtained by curettage: the operation had been performed because of severe menorrhagia at the onset of the illness, when there were no clinical grounds for suggesting the diagnosis of thrombotic purpura. The patient's satisfactory condition after the curettage and the absence of diagnostic haematojW.I P