Primary malignant fibrous histiocytoma of the uterus--ultrastructural and immunocytochemical studies of two cases.

The clinical and pathological features, including ultrastructural and immunocytochemical findings, of 2 cases of primary malignant fibrous histiocytoma of the uterus are reported. One patient had pulmonary metastases at the time of hysterectomy: she developed pelvic recurrence and died 3 mth after operation. The other patient was well and apparently free of disease 6 mth after hysterectomy.

Limitations of the clonal agar assay for the assessment of primary human ovarian tumour biopsies.

114 biopsy specimens from 70 patients with ovarian carcinoma at all stages of disease were submitted for assessment of clonogenic capacity in agar. A highly significant correlation was found between agar clonogenicity and patient survival after biopsy. However, problems related to inherent tumour heterogeneity, quality of sample and tissue disaggregation indicate that this technique may have limited applicability in the routine assessment of patients.