0
We're unable to sign you in at this time. Please try again in a few minutes.
Retry
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
Retry
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......
ARTICLE |

METAPLASIA IN THE BREAST

ROBERT LEE OLIVER, M.D.
Arch Surg. 1940;41(3):714-722. doi:10.1001/archsurg.1940.01210030148009.
Text Size: A A A
Published online

A comprehensive examination of the literature has revealed no reference to the presence of pavement epithelium of primary origin in the mammary gland. Numerous reports, however, of metaplasia and its associated changes prove its frequency and include descriptions of its occurrence in several organs of the body, among which are the nose, frontal sinus, middle ear, lungs, esophagus, stomach, gallbladder, pancreatic duct, renal pelvis, bladder, urethra, uterus and ovary. It is doubtful that metaplasia has actually been found in many of the reported cases, owing to the possibility of epithelium growing over from adjacent lesions of the skin or of the mucous membrane. Naturally, all fistulas warrant suspicion. The greatest offenders in the production of metaplasia have been reported as chronic inflammatory processes.

Consideration of a subject so complex as metaplasia and its associated processes demands brief mention of the striking figures in a literature which is muddled with a

Topics

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

First Page Preview

View Large
First page PDF preview

Figures

Tables

References

Correspondence

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.
Submit a Comment

Multimedia

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

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

Related Content

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

Jobs
brightcove.createExperiences();