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41.
Sarah-Jane DAWSON Nadia F RANIERI Raymond D SNYDER Sue-Anne McLACHLAN William I BURNS Genni M NEWNHAM Prudence A FRANCIS Anthony J DOWLING 《Asia-Pacific Journal of Clinical Oncology》2006,2(1):50-56
Background: Historically, central nervous system (CNS) metastases have been reported to occur in 10–16% of women with metastatic breast cancer (MBC) with a median survival of less than 1 year after diagnosis of CNS disease. A higher rate of CNS metastases has been described in women with metastatic breast cancer (MBC) over‐expressing HER‐2 who receive trastuzumab therapy. Aims: The aim of this study was to examine the frequency of and potential risk factors for CNS metastases in these women. Our a priori hypotheses were that in MBC patients treated with trastuzumab, CNS metastases occurred (i) more frequently than historical controls, and (ii) in women with controlled systemic disease. Methods: A retrospective cohort study of 28 consecutive patients with MBC over‐expressing HER‐2 and treated with trastuzumab and chemotherapy was performed. Results: A total of 22/25 (88%) patients who initially responded to trastuzumab had progressed within a median of 11.2 months after starting trastuzumab therapy. Central nervous system metastases occurred in 11/28 (39%) patients and the remaining 11 patients had progressed elsewhere. At diagnosis of CNS metastases, 9/11 (82%) had controlled systemic disease (CR = 2, PR = 6, SD = 1). There were trends for patients with CNS metastases to have greater than one site of metastatic disease at the commencement of trastuzumab therapy (P = 0.06), and to be hormone receptor negative at initial diagnosis (P = 0.14). The median time to diagnosis of CNS metastases after the commencement of trastuzumab therapy was 12 months (range 6–19 months). The median survival after diagnosis of CNS metastases was 12 months (range 2–22 months). Conclusions: This study demonstrates a high rate of CNS metastases (39%) in HER‐2 positive MBC patients treated with trastuzumab. At CNS metastases most patients had controlled systemic disease and the median survival after CNS relapse was 1 year. We suggest aggressive management of CNS disease in this population. Additional strategies to decrease the incidence of CNS metastases in these patients may include prophylactic whole brain irradiation and the development of novel pharmacological agents with successful CNS penetration. 相似文献
42.
Computer-aided interactive three-dimensional reconstruction of the embryonic human heart 总被引:4,自引:0,他引:4
SUSAN WHITEN STEVEN D. SMART JOHN C. McLACHLAN JAMES F. AITON 《Journal of anatomy》1998,193(3):337-345
Despite the fact that development of the human embryo heart is of considerable clinical importance, there is still disagreement over the process and the timing of events. It is likely that some of the conflicting accounts may have arisen from difficulties in describing and visualising 3-dimensional structures from 2-dimensional sections. To help overcome this problem and to improve our understanding of the development of the heart, we have devised techniques for the production of interactive 3D models reconstructed from serial histological sections of human embryos. Our method uses commercial software designed for the creation of 3D models and virtual reality environments. The ability to construct interactive visual images which both illustrate and communicate complex 3D information contributes to our understanding of the complex developmental changes occurring in embryogenesis. 相似文献
43.
Anita D'Aprano Sue-Anne Hunter Rebecca Fry Melissa Savaglio Sarah Carmody John Boffa Louise Cooke Abigail Dent Amanda Docksey Josie Douglas Adam Dunn Nick Halfpenny Meg Hewett Adrienne Lipscomb Esmai Manahan Belinda Morton Holly Mosse Dawn Ross Helen Skouteris 《Health promotion journal of Australia》2024,35(2):433-443
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THE MATERNAL OVARY IS NOT THE SOURCE OF CIRCULATING INHIBIN LEVELS DURING HUMAN PREGNANCY 总被引:2,自引:0,他引:2
R. I. McLACHLAN D. L. HEALY P. J. LUTJEN J. K. FINDLAY D. M. de KRETSER H. G. BURGER 《Clinical endocrinology》1987,27(6):663-668
The concentration of immunoreactive inhibin in serum was measured in three pregnant women with premature ovarian failure involved in a donor oocyte in-vitro fertilization programme. Inhibin was not detectable in peripheral serum prior to conception but rose within 2-4 weeks of embryo transfer, whereafter levels rose gradually during pregnancy (less than 20 weeks 1.22 U/ml (0.85-1.76) versus greater than 20 weeks 2.28 U/ml (1.42-3.67), P less than 0.01; geometric mean +/- 67% confidence interval) and were similar to those observed in 24 normal pregnant women. hCG rose in parallel with inhibin during early gestation, but declined after 3 months. FSH levels were elevated before conception and were suppressed during pregnancy. In conclusion (i) immunoreactive inhibin is detectable from early gestation in women with no endogenous ovarian function indicating that the maternal ovary does not contribute significantly to inhibin secretion during pregnancy; (ii) the trophoblast is the likely source of inhibin during pregnancy; (iii) the regulation of hCG and inhibin secretion differs throughout gestation; and (iv) inhibin may have a role in FSH regulation during pregnancy and/or a local role within the feto-placental unit. 相似文献
47.
JULIE SCARBOROUGH JAMES F. AITON JOHN C. McLACHLAN STEVEN D. SMART SUSAN C. WHITEN 《Journal of anatomy》1997,191(1):117-122
Tracings of serial histological sections from 4 human embryos at different Carnegie stages were used to create 3-dimensional (3D) computer models of the developing heart. The models were constructed using commercially available software developed for graphic design and the production of computer generated virtual reality environments. They are available as interactive objects which can be downloaded via the World Wide Web. This simple method of 3D reconstruction offers significant advantages for understanding important events in morphological sciences. 相似文献
48.
Mary Beth Terry Yuyan Liao Alice S Whittemore Nicole Leoce Richard Buchsbaum Nur Zeinomar Gillian S Dite Wendy K Chung Julia A Knight Melissa C Southey Roger L Milne David Goldgar Graham G Giles Sue-Anne McLachlan Michael L Friedlander Prue C Weideman Gord Glendon Stephanie Nesci Robert J MacInnis 《The lancet oncology》2019,20(4):504-517
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McLACHLAN DG 《The New Zealand medical journal》1954,53(297):480-486
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