[Skip to Content]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address Please contact the publisher to request reinstatement.
[Skip to Content Landing]
Other Articles
April 22, 1939


Author Affiliations

London, Ont. Assistant Professor of Histology and Embryology, Medical School, University of Western Ontario.

JAMA. 1939;112(16):1620-1621. doi:10.1001/jama.1939.02800160084028

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.


To the Editor:—  I am making an analysis of records of tumors in twins and would be glad if you could lend me assistance by publishing this appeal for information to the medical profession of America:A number of records have been published of tumors occurring in one or both members of a pair of twins. There is a divergence of opinion as to the conclusions that can be drawn from such reports. I am therefore asking all members of the profession who have had occasion to diagnose or treat tumors, either benign or malignant, in either one or both members of a pair of twins to communicate with me, giving the following information as far as possible:If the twins were of the same sex, were they so similar in appearance as to cause confusion in identity or were they dissimilar? Those cases in which only one twin was

First Page Preview View Large
First page PDF preview
First page PDF preview