JAMA. 1930;95(7):472-473. doi:10.1001/jama.1930.02720070010005.
Text Size: A A A
Published online

One hundred consecutive cases of exostosis of the os calcis at the Mayo Clinic were reviewed with the purpose of ascertaining how frequently the gonococcus is a factor in the etiology of the disease.

It is generally believed that exostosis of the os calcis is of gonorrheal origin. This idea may have orginated from a report by Baer,1 in 1905, in which he recorded five cases of painful heels due to exostosis of the os calcis, and all of the patients gave a definite history of having had gonorrhea. In two of the cases in which the spine was also affected, gonococci were found in the growths removed from the heels. In another case three cultures were made at the time of operation, and, although the cultures were negative, they showed diplococci that were decolorized by Gram's stain.

Waechter and Sonnenschein,2 Murphy3 and Epstein4 recognized gonorrhea


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

First Page Preview

View Large
First page PDF preview




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.
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).


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.