We're unable to sign you in at this time. Please try again in a few minutes.
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
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 ......


Arch Surg. 1938;37(4):562-569. doi:10.1001/archsurg.1938.01200040044005.
Text Size: A A A
Published online

Sarcomas constitute only a small proportion of the malignant growths arising in the urinary bladder. Many varieties of sarcoma are mentioned in classified lists, but some names suggest vaguely the parent tissue origin or indicate merely a poorly differentiated variety of cell components. Only a few muscle tumors are included in these lists. Munwes1 in 1910 recorded 5 myosarcomas as occurring among 94 sarcomas of the urinary bladder. Hückel's2 review, published in 1934, mentioned the occurrence of 8 leiomyosarcomas and 3 rhabdomyosarcomas among 125 sarcomas of the urinary bladder.

The details of cell structure in many descriptions of sarcoma of the urinary bladder are meager, especially in descriptions of sarcomas of muscle tissue. The latter tumors are of two types, the smooth and the striated muscle tumors. When the cells of a rhabdomyosarcoma do not become differentiated beyond the myoblastic stage, characteristics other than the cross striations are


Sign in

Purchase Options

• Buy this article
• Subscribe to the journal

First Page Preview

View Large
First page PDF preview





Also 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.
Please click the checkbox indicating that you have read the full article in order to submit your answers.
Your answers have been saved for later.
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


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

Sign in

Purchase Options

• Buy this article
• Subscribe to the journal

Related Content

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