0
Articles |

In Situ Lobular Carcinoma:  A Prospective Follow-Up Study Indicating Cumulative Patient Risks

Robert W. McDivitt, MD; Robert V. P. Hutter, MD; Frank W. Foote Jr., MD; Fred W. Stewart, MD
JAMA. 1967;201(2):82-86. doi:10.1001/jama.1967.03130020028006.
Text Size: A A A
Published online

In situ lobular carcinoma is a preinvasive form of breast cancer which if inadequately treated will frequently progress to infiltrative cancer. A follow-up study of 50 patients with in situ lobular carcinoma, treated in most instances by local excision, reveals the following subsequent cumulative risk of infiltration: 8% after five years, 15% after ten years, 27% after 15 years, and 35% after 20 years. After 23 years, the cumulative risk is thought to exceed 50%. In addition, the cumulative risk of cancer developing in the breasts contralateral to those in which in situ lobular carcinoma was found was 10% after ten years, 15% after 15 years, and 25% after 20 years. The cumulative risk of contralateral breast cancer after 22 years appears to exceed 30%.

Topics

Sign In to Access Full Content

Don't have Access?

Register and get free email Table of Contents alerts, saved searches, PowerPoint downloads, CME quizzes, and more

Subscribe for full-text access to content from 1998 forward and a host of useful features

Activate your current subscription (AMA members and current subscribers)

Purchase Online Access to this article for 24 hours

Figures

Tables

References

CME
Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.
NOTE:
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Multimedia

Some tools below are only available to our subscribers or users with an online account.

Sign In to Access Full Content

Related Content

Customize your page view by dragging & repositioning the boxes below.

Jobs
brightcove.createExperiences();