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Home: Oncology Leader Commentary: C Kent Osbourne, MD

Click on the topic below for comments by Dr C Kent Osborne to comment on. You will also find links to related articles and clinical trials.

Problems with estrogen receptor assays
Cut-off for ER-positivity
Receptor assays in metastatic disease
Mechanism of action of Faslodex
Receptor downregulation and Faslodex
Faslodex effects in the laboratory
Randomized trials comparing Faslodex to Arimidex
Tolerability of Faslodex
Other trials of Faslodex
Future Clinical role of Faslodex
Intramuscular injection of Faslodex
Clinical trials of adjuvant Faslodex
Management of DCIS
Future trials of Faslodex plus estrogen

Management of DCIS

Interview with Neil Love, MD Breast Cancer Update for Medical Oncologists, Program 6 2000

Play Audio Below:

Patients who have had lumpectomy and radiation, I’m much more inclined to use tamoxifen in those patients, because you have the benefits of ipsilateral breast recurrence and contralateral breast recurrence. Patients who have a mastectomy, I’m much less inclined to use it as a prevention, so to speak. I take into account many things, because I think the window, the therapy window, is very narrow here. So, I would take into account in patients who had breast conservation and radiation, what’s the margin status? Is there any other calcifications in the breast that makes me think there may be some multi-centricity? I may be more inclined to use it if the margin is closer, as opposed to a big margin. I know there’s no data on ER status yet, but I can’t believe it’s going to be any different, and maybe the ER status, even though we don’t have any data, I would still take it into consideration – I would be more inclined to use it for an ER-positive tumor.

Relevant Articles:

The incidence of positive margins with breast conserving therapy following mammotome biopsy for microcalcification
Cangiarella, J.; Cross, J.; Symmans, W. F.; Waisman, J.; Petersen, B.; D'Angelo, D.; Singer, C., and Axelrod, D.. Journal of Surgical Oncology. 74(4):263-266, 2000 Aug.

Outcomes and factors impacting local recurrence of ductal carcinoma in situ.
Weng, E. Y.; Juillard, G. J. F.; Parker, R. G.; Chang, H. R., and Gornbein, J. A. Cancer. 88(7):1643-1649, 2000 Apr 1.

Risk of subsequent invasive breast cancer after breast carcinoma in situ
Warnberg, F.; Yuen, J., and Holmberg, L. (Reprint available from: Warnberg F Univ Uppsala Hosp, Dept Surg S-75185 Uppsala Sweden).. Lancet. 355(9205):724-725, 2000 Feb 26.

Impact of young age on outcome in patients with ductal carcinoma-in-situ treated with breast-conserving therapy
Vicini, F. A.; Kestin, L. L.; Goldstein, N. S.; Chen, P. Y.; Pettinga, J.; Frazier, R. C., and Martinez, A. A.. Journal of Clinical Oncology. 18(2):296-306, 2000 Jan.

Sentinel node biopsy in ductal carcinoma in situ patients.
Pendas, S.; Dauway, E.; Giuliano, R.; Ku, N. N.; Cox, C. E., and Reintgen, D. S.. Annals of Surgical Oncology. 7(1):15-20, 2000 Jan-Feb.

Carcinoma in situ of the breast: correlation of histopathology to immunohistochemical markers and DNA ploidy.
Ottesen, G. L.; Christensen, I. J.; Larsen, J. K.; Larsen, J.; Baldetorp, B.; Linden, T.; Hansen, B., and Andersen, J. (Reprint available from: Ottesen GL Univ Copenhagen, Inst Forens Med, Dept Forens Pathol Frederik Vs Vej 11,POB 2713 DK-2100 Copenhagen O Denmark).. Breast Cancer Research & Treatment. 60(3):219-226, 2000 Apr In process

Radiotherapy in breast-conserving treatment for ductal carcinoma in situ: first results of the EORTC randomised phase III trial 10853.
Julien, J. P.; Bijker, N.; Fentiman, I. S.; Peterse, J. L.; Delledonne, V.; Rouanet, P.; Avril, A.; Sylvester, R.; Mignolet, F.; Bartelink, H., and Van Dongen, J. A. Lancet. 355(9203):528-533, 2000 Feb 12.

Differences in the pathologic features of ductal carcinoma in situ of the breast based on patient age.
Goldstein, N. S.; Vicini, F. A.; Kestin, L. L., and Thomas, M.. Cancer. 88(11):2553-2560, 2000 Jun 1.

Application of the Van Nuys prognostic index in a retrospective series of 367 ductal carcinomas in situ of the breast examinated by serial macroscopic sectioning: Practical considerations.
de Mascarel, I.; Bonichon, F.; MacGrogan, G.; de Lara, C. T.; Avril, A.; Picot, V.; Durand, M.; Mauriac, L.; Trojani, M., and Coindre, J. M. Breast Cancer Research & Treatment. 61(2):151-159, 2000 May. In process

Factors associated with local recurrence of mammographically detected ductal carcinoma in situ in patients given breast-conserving therapy.
Kestin, L. L.; Goldstein, N. S.; Lacerna, M. D.; Balasubramaniam, M.; Martinez, A. A.; Rebner, M.; Pettinga, J.; Frazier, R. C., and Vicini, F. A.. Cancer. 88(3):596-607, 2000 Feb 1.

Postexcision mammography is indicated after resection of ductal carcinoma-in-situ of the breast.
Waddell, B. E.; Stomper, P. C.; DeFazio, J. L.; Hurd, T. C., and Edge, S. B. Annals of Surgical Oncology. 7(9):665-668, 2000 Oct. In process

Ductal carcinoma in situ of the breast: A surgeon's disease.
Silverstein, M. J. (Reprint available from: Silverstein MJ Univ So Calif, Kenneth Norris Jr Comprehens Canc Ctr 1441 Eastlake Ave,Room 7415 Los Angeles, CA 90033 USA). Annals of Surgical Oncology. 6(8):802-810, 1999 Dec. No abstract

Role of specimen radiography in patients treated with skin-sparing mastectomy for ductal carcinoma in situ of the breast.
Rubio, I. T.; Mirza, N.; Sahin, A. A.; Whitman, G.; Kroll, S. S.; Ames, F. C., and Singletary, S. E. Annals of Surgical Oncology. 7(7):544-548, 2000 Aug. In process

Carcinoma in situ of the female breast. 10 year follow-up results of a prospective nationwide study.
Ottesen, G. L.; Graversen, H. P.; Blichert-Toft, M.; Christensen, I. J., and Andersen, J. A. (Reprint available from: Ottesen GL Univ Copenhagen, Inst Forens Med, Dept Forens Pathol Frederik Vs Vej 11,POB 2713 DK-2100 Copenhagen Denmark).. Breast Cancer Research & Treatment. 62(3):197-210, 2000 Aug In process

Treatment selection in ductal carcinoma in situ.
Morrow, M. and Schnitt, S. J. (Reprint available from: Morrow M NW Mem Hosp, Lynn Sage Comprehens Breast Ctr 251 E Huron St,Galter 13-174 Chicago, IL 60611 USA).. Jama: Journal of the American Medical Association. 283(4):453-455, 2000 Jan 26. No abstract
FULL TEXT:

Outcomes and factors impacting local recurrence of ductal carcinoma in situ.
Lagios, M. D. and Silverstein, M. J. (Reprint available from: Lagios MD St Marys Med Ctr, Breast Canc Consultat Serv San Francisco, CA 94143 USA).. Cancer. 89(11):2323-2324, 2000 Dec 1. In process

Sentinel lymph node biopsy: Is it indicated in patients with high-risk ductal carcinoma-in-situ and ductal carcinoma-in-situ with microinvasion?
Klauber-DeMore, N.; Tan, L. K.; Liberman, L.; Kaptain, S.; Fey, J.; Borgen, P.; Heerdt, A.; Montgomery, L.; Paglia, M.; Petrek, J. A.; Cody, H. S., and Van Zee, K. J. Annals of Surgical Oncology. 7(9):636-642, 2000 Oct. In process

Relation of a recurrent intraductal carcinoma (ductal carcinoma in situ) to the primary tumor Fisher, E. R. and Fisher, B. (Reprint available from: Fisher B NSABP Sci Directors Off 4 Allegheny Ctr,Suite 602 Pittsburgh, PA 15212 USA).. Journal of the National Cancer Institute. 92(4):288-289, 2000 Feb 16. No abstract

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