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An immunocytochemical assay (ICA) for the measurement of estrogen receptor (ER) and progesterone receptor (PgR) has been evaluated in 426 human primary breast carcinomas. For estrogen receptor determination ER ICA was used. PgR ICA was performed using the monoclonal antibody KD 68. Assay results for progesterone receptor immunocytochemistry were in(More)
Endocrine aspects of ovarian cancer have been remarkably neglected in comparison with the huge research effort directed at the treatment of this condition with chemo-therapy. The presence in ovarian cancer cells of receptors for oestrogen and progesterone (Holt et al., 1979; Rowland et al., 1985; Sutton et al., 1986), and for androgens (Hamilton et al.,(More)
A tumour cloning system was used to cultivate breast cancer specimens. Fifty-six percent of 87 samples were adequate for evaluation, showing clonal growth in about one third (35%). Effusions yielded significantly better growth than solid specimens, the median colony numbers being 64 and 18 respectively. An attempt was made to examine whether there was any(More)
poorer prognosis than patients with only one negative receptor. In ER ICA-and PgR ICA-positive carcinomas a trend could be found that patients whose carcinomas contained high numbers of receptor-positive tumor cells had a better survival. This study demonstrates that ER ICA and PgR ICA are strong prognostic indicators and that the proportion of steroid(More)
This investigation was aimed at studying the direct action of LH-RH derivatives on gonadal function. Modulation by LH-RH antagonist (Ac-[D-beta-Nal1, D-p-Cl-Phe2, D-Trp3, D-Arg6, D-Ala10]-LH-RH) and agonist of LH-RH (D-Ser(TBU)6, AzaGly10-LH-RH) and native LH-RH of HCG-stimulated steroidogenesis in testicular Leydig cells and luteal cells was studied in(More)
One hundred and five breast cancer patients with stage T3/4, N+/-, Mo were treated at random either with a pre- and postoperative chemotherapy (A) (5-drug-combination + tamoxifen) or with a pre- and postoperative radiotherapy (B). Paraffin embedded tissue samples were prepared from tumor material taken by biopsy prior to therapy as well as at surgery from(More)